Examkin

Vehicle Handling

122 soru

Tüm türler122Çoktan seçmeli62Çoklu seçim5Doğru / Yanlış28Eşleştirme13Sıralama14
Soru 81Soru →

You are driving on a road surface covered in loose gravel and are forced to brake heavily in an emergency. If your car is fitted with an Anti-lock Braking System (ABS), what effect will this system have on your vehicle's braking distance compared to a car with conventional brakes?

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Cevap: It may increase the braking distance, although you will still be able to steer while braking.

Cevap

It may increase the braking distance, although you will still be able to steer while braking.
The correct answer identifies that on loose surfaces such as gravel, sand, or deep snow, an Anti-lock Braking System (ABS) may increase overall braking distance. When wheels lock up on loose gravel without ABS, they plow into the surface and create a wedge of material in front of the tyres, which decelerates the car more rapidly. Because ABS prevents the wheels from locking to maintain rotational traction for steering control, the tyres roll over the loose surface, extending the stopping distance.

Adım Adım Çözüm

1
Analyze the road surface condition and the physical mechanics of braking on loose gravel.
On loose surfaces such as gravel, uncompacted snow, or sand, conventional locked wheels push loose material ahead of them, creating a wedge that helps bring the vehicle to a halt more quickly.
Understanding surface interaction is essential for assessing braking performance differences.
2
Determine the primary operational function and effect of Anti-lock Braking Systems (ABS).
ABS detects wheel deceleration and rapidly modulates brake pressure to keep the wheels rotating rather than locking up.
Maintaining wheel rotation preserves tyre grip for lateral forces, allowing the driver to steer around hazards.
3
Synthesize the effect of ABS on loose gravel compared to conventional locked braking.
Because ABS prevents the wheels from locking, the tyres roll over the loose gravel rather than plowing a resistive wedge into it, which can significantly lengthen the stopping distance while maintaining essential steering capability.
Drivers must recognize that ABS prioritizes directional stability and steering control over shortest stopping distance on loose surfaces.

Anahtar Kavram

ABS operational mechanics and stopping distance variations on loose road surfaces
Tahmini Süre:1m 0s
Soru 82Soru →

When following another vehicle at night, you must keep your headlights on dipped beam to prevent dazzling the driver ahead through their rear-view mirror.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True
According to the Highway Code, drivers must dip their headlights when following behind another vehicle at night to avoid dazzling the driver in front through their mirrors.

Adım Adım Çözüm

1
Identify the night driving scenario and vehicle relationship
Your vehicle is traveling behind another road user in dark conditions
Light projection affects both oncoming traffic and preceding traffic
2
Apply Highway Code Rule 115 regarding beam dipping
Headlights must remain dipped until you have overtaken or are clear of the other vehicle
Main-beam light reflects intensely off the front vehicle's mirrors directly into the driver's eyes

Anahtar Kavram

Headlight beam control when following vehicles at night to prevent dazzle
Tahmini Süre:30s
Soru 83Soru →

As you accelerate away from a junction onto a cold, wet road, the front tyres spin and lose directional grip. What should you do to regain steering control?

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Cevap: Ease off the accelerator smoothly until the tyres regain traction

Cevap

Ease off the accelerator smoothly until the tyres regain traction and steering response is restored.
When driven wheels spin due to excessive acceleration on a slippery surface, the tyres lose lateral grip needed for steering. Releasing the accelerator pedal smoothly reduces rotational force, allowing the tyre tread to grip the road surface again and restore directional control.

Adım Adım Çözüm

1
Identify the cause of the loss of steering control
Excessive engine power applied on a slippery surface has caused the driven tyres to spin and break traction.
Tyres can only provide a finite amount of grip shared between acceleration, braking, and steering.
2
Reduce the rotational demand on the driven wheels by easing off the throttle
Wheelspin stops and the tyre contact patches re-establish adhesion with the asphalt.
Removing excess acceleration demand allows available grip to be redirected entirely into directional control.
3
Guide the steering smoothly along the desired path of travel
The vehicle responds progressively and safely follows the intended road line.
Smooth, measured steering inputs prevent overloading tyre adhesion during traction recovery.

Anahtar Kavram

Skid Prevention via Throttle Moderation and Traction Recovery
Tahmini Süre:45s
Soru 84Soru →

Using cruise control on wet, icy, or snow-covered roads helps prevent skidding by maintaining a constant throttle and steady road speed.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False: Cruise control increases skid risk on slippery roads because automated throttle application can induce wheelspin when traction is compromised.
Cruise control must be switched off in wet, icy, or snow-covered conditions. When tyres encounter standing water or ice, cruise control continues to apply throttle to maintain the target speed, which causes the drive wheels to spin freely and provokes a loss of directional control.

Adım Adım Çözüm

1
Analyze how cruise control operates on low-grip road surfaces
Determine that cruise control maintains preset speed by adjusting engine throttle automatically without sensing surface grip limits.
Crucial for understanding how automatic driver aids behave when surface friction suddenly drops.
2
Evaluate the effect of automated throttle input during loss of tyre traction
Identify that if drive wheels encounter standing water, ice, or snow, continuous throttle application causes wheelspin and triggers an immediate skid.
Demonstrates why manual throttle control and sensitivity are vital for skid prevention in hazardous weather.

Anahtar Kavram

Skid hazards associated with cruise control usage in adverse road and weather conditions
Tahmini Süre:45s
Soru 85Soru →

You are driving a manual vehicle on an icy rural road when the rear wheels suddenly lose grip, causing the back of the car to slide outwards to the right. To safely recover from this oversteer skid and prevent a worse collision, arrange the following recovery actions in the correct chronological sequence.

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Cevabı ve açıklamayı göster

Cevap

First, release the accelerator and footbrake completely. Second, dip the clutch pedal. Third, steer into the direction of the skid (to the right). Finally, unwind the steering smoothly as the vehicle straightens.
Correct skid recovery relies on prioritizing grip. By immediately removing pedal inputs (accelerator/brake) and dipping the clutch, you isolate the wheels from engine forces, allowing them to turn freely and regain traction. Steering into the skid (to the right) catches the yaw of the vehicle. Unwinding the steering as the car straightens is a critical final step to prevent a dangerous pendulum effect (fishtailing) as grip is suddenly restored.

Adım Adım Çözüm

1
Release the accelerator and footbrake completely.
Stops longitudinal forces that are causing the tyres to lose grip.
Applying power or braking during a skid will lock or spin the wheels further, worsening the loss of traction.
2
Dip the clutch pedal to the floor.
Disconnects the engine from the driven wheels.
Removes engine braking drag, allowing the wheels to roll freely and maximize their chances of regaining lateral grip.
3
Steer swiftly to the right, matching the direction of the sliding rear.
Realigns the front wheels with the sliding rear of the vehicle.
Keeps the vehicle pointing in the intended direction and counters the rotational yaw caused by the skid.
4
Unwind the steering wheel smoothly as the vehicle begins to straighten.
Stabilizes the vehicle's trajectory.
Failing to unwind the steering precisely as grip returns will cause a violent secondary 'fishtail' skid in the opposite direction.

Anahtar Kavram

Advanced Skid Recovery and Dynamic Weight Management
Soru 86Soru →

You are driving along an exposed dual carriageway during severe gales and are overtaking a high-sided commercial vehicle. Which TWO aerodynamic effects must you be prepared to handle during this manoeuvre? (Select TWO answers)

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: A sudden pull towards the commercial vehicle when entering the sheltered wind shadow along its side; A violent lateral buffet pushing your car across the lane as you move past the front of the cab

Cevap

Anticipating a sudden pull towards the commercial vehicle in its wind shadow, and preparing for a violent lateral buffet as you move past the front of the cab.
When passing a large high-sided vehicle in severe crosswinds, two major aerodynamic transitions occur. First, moving alongside the trailer places your car into a sheltered wind shadow where the wind is blocked, causing an apparent suction effect towards the lorry. Second, clearing the front of the cab suddenly re-exposes your car to the full force of the wind, causing a sharp lateral gust that pushes you outwards across the lane.

Adım Adım Çözüm

1
Assess the aerodynamic changes when drawing level with the large vehicle's trailer
Recognise the sheltering effect blocking crosswinds, causing a sudden draft towards the vehicle
The large vehicle acts as a windbreak, abruptly changing lateral forces acting on your vehicle
2
Anticipate the transition when emerging ahead of the vehicle's cab
Prepare steering and road position for the sudden blast of unobstructed crosswind
Leaving the sheltered wind shadow instantly re-exposes the vehicle to full aerodynamic side loads

Anahtar Kavram

Aerodynamic buffeting and wind shadows when overtaking high-sided vehicles in severe gales
Tahmini Süre:1m 15s
Soru 87Soru →

When a vehicle begins to aquaplane on pooled surface water, applying firm pressure to the footbrake is the safest immediate action to restore tyre grip.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. When a vehicle begins to aquaplane, the driver should smoothly ease off the accelerator and maintain a steady steering direction rather than applying the brakes.
The statement is false because applying the footbrake while aquaplaning causes the wheels to lock up immediately. Without road friction, braking cannot slow the vehicle down and will induce a severe skid the moment the tyres touch the road surface again. According to official DVSA standards, the driver must ease off the accelerator smoothly and keep the steering wheel steady until normal grip returns.

Adım Adım Çözüm

1
Analyze the physical state of the vehicle during aquaplaning.
Tyres have lost physical contact with the tarmac and are riding on top of a water wedge.
Understanding that there is zero tyre-to-road friction explains why conventional braking mechanisms are ineffective.
2
Evaluate the mechanical consequence of applying the footbrake.
The wheels lock up because there is no road friction to keep them turning against brake pad pressure.
Locked wheels remove all directional steering capability and cause an unpredictable skid when any tyre suddenly regains grip.
3
Identify the standard DVSA recovery procedure.
Conclude that the statement is false because the correct action is to gently release the accelerator pedal and avoid abrupt steering or braking.
Allowing the vehicle to decelerate naturally allows tyre tread grooves to disperse the water and re-establish traction.

Anahtar Kavram

Physical response to aquaplaning and avoidance of wet-weather skids
Tahmini Süre:45s
Soru 88Soru →

You are driving along an exposed coastal road during severe gale-force crosswinds. Ahead, two horse riders are travelling in your direction on an unsheltered stretch. Which combination of actions should you take to pass them safely?

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Cevap: Reduce your speed to 10 mph or less, keep engine revs low and steady, hold the steering wheel firmly with both hands, and allow plenty of room.

Cevap

Reduce your speed to 10 mph or less, keep engine revs low and steady, hold the steering wheel firmly with both hands, and allow plenty of room.
High crosswinds pose a severe hazard on open, exposed roads because sudden gusts can buffet both vehicles and vulnerable road users. Horses are easily startled by sudden loud noises or close proximity to moving vehicles, and gusts may cause them to swerve unpredictably. The driver should slow right down (to 10 mph or less), maintain a low and steady engine RPM to minimise noise, hold the steering wheel firmly with both hands to maintain positive directional control against buffeting, and pass giving wide lateral clearance.

Adım Adım Çözüm

1
Assess the compound hazards of severe crosswinds on an exposed road when approaching vulnerable road users.
Identify that both your vehicle and the horse riders are subject to sudden lateral buffeting, and horses may react unpredictably to gusts and noise.
High winds reduce stability, and animals can be easily startled or blown off course on exposed stretches.
2
Determine the correct vehicle handling and passing protocol according to the Highway Code.
Establish that passing requires a slow speed (10 mph or less), low engine noise, wide lateral clearance (at least 2 metres / car's width), and a firm two-handed grip on the steering wheel.
Firm steering maintains directional stability against sudden gusts, while slow, quiet passing prevents frightening the horses.
3
Evaluate and eliminate incorrect handling responses such as coasting, sounding the horn, accelerating, or harsh braking.
Select the option that maintains active steering control and minimises disturbance to the horses.
Coasting removes drive stability, horns spook animals, and erratic inputs increase skidding risk.

Anahtar Kavram

Safe vehicle handling and vulnerable user precautions in severe crosswinds
Tahmini Süre:1m 15s
Soru 89Soru →

Different driving environments and situations at night require specific vehicle lighting adjustments under the Highway Code. Match each night driving scenario to the correct headlight or lighting requirement.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

Driving on an unlit country road with no traffic ahead or approaching
Being overtaken by another vehicle on an unlit road at night
Parking on the roadside at night where the speed limit is 40 mph
Driving along a well-lit street in a 30 mph urban area after dark

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Match 'Driving on an unlit country road with no traffic ahead or approaching' with 'Use main-beam headlights to maximize forward visibility', 'Being overtaken by another vehicle on an unlit road at night' with 'Maintain dipped-beam headlights until the overtaking vehicle pulls clear ahead', 'Parking on the roadside at night where the speed limit is 40 mph' with 'Leave parking lights (sidelights) illuminated facing the direction of traffic', and 'Driving along a well-lit street in a 30 mph urban area after dark' with 'Use dipped-beam headlights to see and be seen without dazzling others'.
Each night driving environment dictates a distinct balance between visibility and glare prevention under the UK Highway Code: unlit roads with clear paths permit main beams for maximum sight distance; being overtaken requires dipped beams to protect the passing driver from mirror glare; parking on roads over 30 mph legally requires parking lights to illuminate a static hazard; and lit 30 mph streets require dipped beams to maintain conspicuity without dazzle.

Adım Adım Çözüm

1
Analyze the open unlit road scenario without preceding or approaching traffic
Identify that full forward illumination is necessary and will not dazzle anyone
Highway Code Rule 113 states main beams should be used on unlit roads when no other road users would be affected.
2
Evaluate the dazzle prevention rules when being overtaken
Determine that dipped beams prevent glare in the other driver's mirrors
Highway Code Rule 114 prohibits dazzling road users, requiring drivers being overtaken to remain on dipped beam until the passing vehicle is well clear.
3
Apply statutory night parking lighting rules based on posted road speed limits
Recognize that roads with speed limits exceeding 30 mph require parking lights
Highway Code Rule 249 mandates parking lights (sidelights) on roads with speed limits above 30 mph to alert oncoming traffic to stationary hazards.
4
Assess lighting obligations in lit built-up areas
Select dipped-beam headlights for urban night driving
Highway Code Rule 115 stipulates dipped headlights in built-up areas to remain conspicuous while avoiding dazzling pedestrians and oncoming drivers.

Anahtar Kavram

UK Highway Code regulations governing vehicle lighting selection, beam dipping protocols, and night parking rules across varied environments
Tahmini Süre:1m 30s
Soru 90Soru →

After encountering loose chippings on a bend, your vehicle suffers a front-wheel skid (understeer) and pushes wide of your intended line. In what chronological order should you carry out the following actions to regain steering control safely?

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Cevabı ve açıklamayı göster

Cevap

Gently release the throttle, unwind the steering wheel slightly, smoothly guide the steering wheel toward your intended path, and reapply light throttle.
To correct an understeer skid where the front wheels slide wide, the driver must first release the throttle to transfer weight forward and shed excess speed. Opening the steering angle slightly allows the tyres to regain rolling traction rather than scrubbing laterally over loose chippings. Once steering resistance returns, the vehicle can be smoothly guided back onto the intended path, followed by gentle acceleration to settle the chassis.

Adım Adım Çözüm

1
Gently ease off the accelerator pedal.
Engine braking initiates and dynamic weight transfers to the front wheels.
Relieving drive forces and adding vertical load increases the available contact friction at the front tyres.
2
Reduce the steering angle by opening up the wheel slightly.
Tyre slip angle decreases and the wheels begin to roll naturally instead of sliding.
Front tyres cannot regain directional grip while being forced to scrub sideways across loose material.
3
Steer progressively into the intended curve as front-end grip returns.
The car follows the steering input accurately without sliding wide.
Directional control can only be exercised after tyre adhesion has been re-established.
4
Introduce smooth, gentle acceleration.
Weight balances evenly across both axles, settling the chassis.
Maintaining smooth momentum prevents abrupt weight transfer that could destabilise the rear of the car.

Anahtar Kavram

Understeer recovery procedure through weight transfer and tyre slip angle reduction
Tahmini Süre:1m 0s
Soru 91Soru →

You are driving on a wet road and approaching a sharp bend. What should you do to reduce the risk of your vehicle skidding?

Cevabı ve açıklamayı göster

Cevap: Slow down smoothly and select the appropriate gear before you start to turn

Cevap

Slow down smoothly and select the appropriate gear before beginning to turn into the bend.
To prevent a skid when negotiating a bend on a wet surface, all deceleration and gear selection should be completed in a straight line prior to turning. This leaves the tyres' friction capacity dedicated entirely to steering through the curve.

Adım Adım Çözüm

1
Assess the upcoming hazard and adjust approach speed on the straight approach.
Vehicle speed is brought down safely using progressive braking while traveling in a straight line.
Tyres have maximum longitudinal grip when travelling straight, allowing safe deceleration without lateral forces causing a slide.
2
Engage the correct gear for the corner before turning the steering wheel.
Engine braking and smooth power delivery are available throughout the corner without needing mid-turn gear changes.
Separating braking and gear changes from steering preserves tyre grip exclusively for cornering forces.

Anahtar Kavram

Separation of braking and steering forces to maintain tyre adhesion on slippery surfaces
Soru 92Soru →

While navigating a prolonged, sweeping curve on a wet carriageway, a driver abruptly and completely releases the accelerator pedal. How does this sudden action primarily affect the vehicle's dynamic stability and potential for skidding?

Cevabı ve açıklamayı göster

Cevap: It transfers dynamic weight to the front suspension, reducing downward pressure on the rear tyres and significantly increasing the risk of a rear-wheel skid.

Cevap

It transfers dynamic weight to the front suspension, reducing downward pressure on the rear tyres and significantly increasing the risk of a rear-wheel skid.
The correct answer accurately describes the phenomenon known as 'lift-off oversteer'. When a driver abruptly releases the accelerator while cornering, the vehicle decelerates, causing a sudden forward shift in dynamic weight. This weight transfer unweights the rear tyres, stripping them of the downward pressure needed to maintain grip on a slippery wet road. Consequently, the rear wheels lose traction and the back of the car skids outward.

Adım Adım Çözüm

1
Analyze the physics of abruptly releasing the accelerator.
The vehicle instantly begins to decelerate due to engine braking.
Removing throttle stops power delivery and engages the engine's internal resistance against the drivetrain.
2
Determine the effect of this sudden deceleration on the vehicle's mass.
The vehicle's dynamic weight shifts heavily to the front suspension.
Inertia causes mass to transfer forward during any form of braking or deceleration, compressing the front springs and extending the rear.
3
Apply the principles of weight transfer to cornering grip on a wet surface.
The front tyres temporarily gain mechanical grip, while the rear tyres severely lose downward pressure and grip.
Tyre friction (grip) is directly proportional to the vertical load pressing it into the road surface.
4
Conclude the resulting skidding risk.
The rear of the vehicle is highly susceptible to breaking traction and swinging outward.
Reduced rear grip mid-corner on a low-friction (wet) surface easily exceeds the available traction limit, leading to lift-off oversteer.

Anahtar Kavram

Dynamic Weight Transfer and Lift-Off Oversteer
Soru 93Soru →

A vehicle skid is primarily caused by driver actions—such as harsh braking, abrupt steering, or excessive acceleration—rather than slippery road surfaces alone.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True
The statement is true because skidding occurs when the forces demanded by the driver exceed the physical grip available from the tyres. Slippery conditions reduce the margin for error, but harsh braking, abrupt steering, and sudden acceleration are the actual triggers that break tyre adhesion.

Adım Adım Çözüm

1
Identify the primary mechanism of traction loss between tyres and the road.
Tyre grip is lost when acceleration, braking, or cornering forces exceed the available friction coefficient.
Understanding tyre limits explains why skids occur.
2
Evaluate the role of environmental factors versus driver controls.
Adverse surfaces lower the grip threshold, but driver inputs determine whether that threshold is exceeded.
Smooth driving and appropriate speed prevent exceeding the friction limit even in poor weather.
3
Determine the accuracy of the statement.
The statement correctly identifies driver actions as the primary cause of skids.
DVSA theory identifies driver error as the chief cause of vehicle skidding.

Anahtar Kavram

Driver inputs and tyre adhesion limits in skidding causes
Tahmini Süre:45s
Soru 94Soru →

While driving on an unlit road at night, the headlights of a vehicle travelling closely behind reflect brightly in your interior rear-view mirror, causing dazzle and reducing your forward visibility. Which action should you take to handle this situation safely?

Cevabı ve açıklamayı göster

Cevap: Switch your interior rear-view mirror to the anti-dazzle position and maintain focus on the road ahead

Cevap

Switch your interior rear-view mirror to the anti-dazzle position and maintain focus on the road ahead.
Switching the interior rear-view mirror to its anti-dazzle position deflects high-intensity headlight glare away from your eyes while retaining a dimmed outline of the vehicle behind. This neutralises the vision hazard immediately without affecting vehicle stability or dazzling other road users.

Adım Adım Çözüm

1
Assess the source of dazzle affecting vision during night driving.
Identify that bright headlights from a trailing vehicle reflect directly into your eyes via the interior mirror.
Direct glare reduces visual acuity and impairs the ability to scan for unlit pedestrians, road markings, or bends.
2
Engage the anti-dazzle mechanism on the interior rear-view mirror.
The optical angle shifts, redirecting primary glare towards the vehicle roof while presenting a dimmed secondary reflection to the driver.
This eliminates glare instantly without changing vehicle speed, disturbing traffic flow, or dazzling others.
3
Maintain steady driving discipline, forward scanning, and safe separation from any vehicles ahead.
The vehicle continues safely without erratic braking, retaliatory lighting, or driver distraction.
Proper mirror adjustment allows full concentration to remain focused on the road ahead.

Anahtar Kavram

Managing glare from trailing vehicle headlights using the interior mirror anti-dazzle function without creating secondary driving hazards.
Tahmini Süre:1m 0s
Soru 95Soru →

During freezing conditions, road surfaces can become treacherous even if they appear clear. When driving on an open, quiet road with no other vehicles or hazards nearby, what is the safest way to check whether the road is icy?

Cevabı ve açıklamayı göster

Cevap: Apply the footbrake gently while travelling at a slow speed to feel the vehicle's response

Cevap

Apply the footbrake gently while travelling at a slow speed to feel the vehicle's response
According to the UK Highway Code, when driving in freezing weather and where there is no danger to other road users, drivers can check for ice and tyre grip by braking gently at a low speed. This low-risk action provides immediate physical feedback through the brake pedal and steering wheel regarding how much friction is available.

Adım Adım Çözüm

1
Ensure the surrounding environment is completely safe
Confirm there is no following traffic, oncoming vehicles, or vulnerable road users nearby.
Any testing of vehicle handling or braking must only occur when it presents zero hazard to other road users.
2
Reduce vehicle speed and apply gentle brake pressure
Observe the tactile feedback through the pedal and note whether the car decelerates smoothly or begins to slide.
A controlled, gentle application of the footbrake at low speed reveals the level of surface grip without inducing a loss of control.

Anahtar Kavram

Testing road grip safely in icy conditions using gentle, controlled brake applications at low speed as advised in the UK Highway Code.
Tahmini Süre:1m 0s
Soru 96Soru →

While negotiating a bend on a wet road, your car begins to skid sideways as the rear tyres lose grip. In what way does Electronic Stability Control (ESC) intervene to help you maintain control?

Cevabı ve açıklamayı göster

Cevap: By automatically applying braking force to individual wheels and reducing engine torque to correct the vehicle's line

Cevap

By automatically applying braking force to individual wheels and reducing engine torque to correct the vehicle's line
Electronic Stability Control (ESC) constantly monitors vehicle sensors (including wheel speed, steering angle, and yaw rate). When it detects that the car is beginning to slide sideways or rotate out of control, it automatically applies precise braking to specific individual wheels and momentarily reduces engine torque to pull the car back onto the driver's intended course.

Adım Adım Çözüm

1
Identify the vehicle instability scenario described in the question
The vehicle is experiencing an oversteer skid where the rear tyres lose grip on a bend and swing outwards.
Recognizing whether the vehicle is suffering loss of lateral grip (skidding) or straight-line deceleration issues determines which safety system operates and how it responds.
2
Determine the functional operation of Electronic Stability Control (ESC)
ESC uses yaw and steering sensors to detect deviations from the intended path, selectively braking individual wheels (such as the outer front wheel in an oversteer situation) and reducing engine power.
Selective braking creates an opposing rotational force (corrective yaw moment) that rotates the vehicle back into alignment with the steered path.

Anahtar Kavram

Electronic Stability Control (ESC) dynamic intervention via individual wheel braking and engine torque management
Tahmini Süre:1m 0s
Soru 97Soru →

As you approach a give-way junction on a street covered in compacted snow, you need to bring your vehicle to a complete stop safely. In what sequence should you carry out the following actions?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct sequence is: check mirrors to assess following traffic, ease off the accelerator early to utilise engine braking, apply gentle and progressive footbrake pressure over an extended distance, and depress the clutch pedal just before coming to a complete stop.
The correct sequence applies the standard observation and speed-control routine tailored for wintry conditions. First, checking mirrors ensures you know what is behind before slowing. Second, easing off the accelerator early utilises engine braking to scrub off speed smoothly. Third, progressive and gentle footbrake pressure brings the car down to crawling speed over an extended distance. Finally, depressing the clutch just before stopping prevents engine stalling without compromising control through coasting.

Adım Adım Çözüm

1
Check interior and exterior mirrors before initiating deceleration.
You establish situational awareness regarding vehicles following behind.
On slippery surfaces, following drivers may need additional distance to react and slow down safely.
2
Release the accelerator pedal smoothly well ahead of the junction.
Engine drag begins reducing momentum without requiring friction braking.
Engine braking minimises initial demands on tyre traction, reducing the chance of breaking grip.
3
Apply gentle, progressive pressure to the footbrake pedal.
The vehicle continues to decelerate steadily over a prolonged distance.
Snow and ice significantly increase stopping distances; progressive braking prevents wheel lock.
4
Depress the clutch pedal immediately prior to reaching a full stop.
The engine is disengaged right at the point of stopping to prevent stalling.
Depressing the clutch too early causes coasting, which reduces vehicle stability and removes engine braking.

Anahtar Kavram

Controlled deceleration and braking technique on snow and ice
Tahmini Süre:1m 0s
Soru 98Soru →

During cornering on a greasy road surface, the Electronic Stability Control (ESC) indicator flashes momentarily on your instrument panel. What does this flashing light tell you?

Cevabı ve açıklamayı göster

Cevap: The electronic stability system has detected a slide and is actively correcting the vehicle's trajectory

Cevap

The electronic stability system has detected a slide and is actively correcting the vehicle's trajectory
When the Electronic Stability Control (ESC) warning indicator flashes intermittently during dynamic driving, it shows that the vehicle's onboard sensors have detected a discrepancy between the driver's steering input and the actual direction of travel. The system is actively intervening by reducing engine power and applying braking to individual wheels to restore stability.

Adım Adım Çözüm

1
Identify the operational status represented by an intermittent dashboard safety indicator.
Recognise that a flashing Electronic Stability Control (ESC) icon signifies real-time active system intervention.
Vehicle stability systems flash their indicator lamp to alert the driver that traction limits have been reached and autonomous corrective braking is actively taking place.
2
Distinguish active dynamic intervention from system failure alerts.
Determine that solid illumination warns of an inactive or faulty system, while flashing indicates operational intervention.
Recognising this distinction prompts the driver to maintain smooth steering inputs and reduce vehicle speed to match prevailing road conditions.

Anahtar Kavram

Electronic Stability Control (ESC) Dashboard Indicator and Active Intervention
Tahmini Süre:1m 0s
Soru 99Soru →

When driving on a road covered with compacted snow or ice, suddenly shifting down into a low gear while travelling at speed is recommended to slow the vehicle down quickly without skidding.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False - Abrupt downshifting creates sudden engine braking forces that can break tyre grip and cause the driven wheels to skid on icy or snow-covered surfaces.
The correct response is False because sudden changes in speed or abrupt engine braking on ice and snow can easily break tyre traction, leading to a loss of control. The Highway Code recommends keeping all controls smooth, gentle, and progressive, using the highest practical gear rather than violently dropping down gears.

Adım Adım Çözüm

1
Evaluate the vehicle handling dynamics of sudden downshifting on slippery surfaces.
Shifting rapidly into a lower gear produces sudden engine drag on the driven wheels.
On compacted snow or ice, tyre adhesion is drastically reduced, meaning abrupt deceleration torque from the engine will easily exceed available friction.
2
Determine the correct Highway Code vehicle control technique for ice and snow.
Drivers must apply gentle, progressive braking in good time and maintain smooth, gradual gear changes.
Smooth inputs prevent abrupt transfers of weight or rotational resistance that trigger loss of directional control.

Anahtar Kavram

Smooth vehicle control and managing engine braking on icy and snowy roads
Tahmini Süre:45s
Soru 100Soru →

You are attempting to move off from a stationary position on a residential road covered with fresh, compacted snow. What is the most effective technique to prevent the driven wheels from spinning?

Cevabı ve açıklamayı göster

Cevap: Select second gear and ease the clutch pedal up gently

Cevap

Select second gear and ease the clutch pedal up gently
Selecting second gear reduces the torque delivered to the driven wheels compared to first gear. Easing smoothly off the clutch pedal allows the tyres to find traction and move the vehicle forward without spinning the wheels on snow or ice.

Adım Adım Çözüm

1
Identify the primary hazard when setting off on snow or ice
Low tyre-to-road friction means high torque will cause immediate wheelspin
Compact snow drastically reduces traction between the rubber tyre and road surface
2
Apply the appropriate gear selection and clutch control technique
Move off in second gear with smooth, progressive clutch engagement
Second gear limits the torque transferred to the wheels, helping the tyres maintain grip and move the car forward safely

Anahtar Kavram

Selecting a higher gear (second gear) and using gentle clutch control to reduce wheel torque and prevent wheelspin when moving off in snow
Tahmini Süre:45s
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Vehicle Handling Alıştırma Soruları — UK Driving Theory Test — Sayfa 5 | Examkin