Examkin

Vehicle Handling

122 soru

Tüm türler122Çoktan seçmeli62Çoklu seçim5Doğru / Yanlış28Eşleştirme13Sıralama14
Soru 21Soru →

You are about to descend a steep hill on a road covered in compacted snow and ice. Which driving action should you take to minimise the risk of skidding and maintain directional control?

Cevabı ve açıklamayı göster

Cevap: Select a low gear before starting the descent and avoid abrupt braking, allowing engine braking to regulate speed

Cevap

Selecting a low gear before beginning the descent and avoiding sudden braking, relying on engine braking to regulate speed smoothly.
On severe downhill gradients covered with ice or snow, pre-selecting a low gear before starting the descent allows engine compression to naturally govern the vehicle's speed. This minimizes reliance on the friction footbrake, preventing wheel lockup and preserving steering traction.

Adım Adım Çözüm

1
Assess the severe risk of traction loss caused by the combination of a steep downward gradient and low-friction icy surface.
Identified that mechanical footbrake application creates an immediate risk of wheel lockup and skidding.
On compacted snow and ice, available tyre grip is extremely limited, so lateral steering and longitudinal braking forces must be minimised.
2
Select an appropriate lower gear before descending the slope.
The engine compression naturally resists wheel rotation without abruptly locking the drive wheels.
Pre-selecting a low gear ensures continuous, smooth deceleration via engine braking and keeps steering wheels turning freely.
3
Maintain a low, steady speed and avoid sudden steering or braking inputs.
The vehicle safely negotiates the gradient while retaining full steering authority.
Smooth, gentle control inputs keep the tyres within their friction circle threshold.

Anahtar Kavram

Using engine braking and low gear selection to prevent wheel lockup and skidding on steep, low-friction surfaces.
Tahmini Süre:1m 15s
Soru 22Soru →

You are driving along an open rural road in strong, gusty winds and are preparing to overtake a cyclist. What should you do to pass them safely?

Cevabı ve açıklamayı göster

Cevap: Allow extra room when overtaking in case a sudden gust blows them off course

Cevap

Allow extra room when overtaking in case a sudden gust blows them off course
In high winds, vulnerable road users such as cyclists, motorcyclists, and horse riders are prone to being buffeted or blown off line. Providing extra lateral room when passing ensures that any sudden wobble or swerve caused by a gust of wind does not lead to a collision.

Adım Adım Çözüm

1
Identify the hazard of strong crosswinds acting upon a vulnerable road user
Recognise that two-wheeled road users such as cyclists can be easily buffeted and blown sideways unexpectedly
Lightweight vehicles and cyclists have high aerodynamic vulnerability to sudden side gusts on open roads
2
Increase lateral passing clearance when overtaking
Provide a wide safety margin equivalent to at least a car's width
Generous lateral clearance ensures that any sudden deviation in the cyclist's path does not result in a collision

Anahtar Kavram

Giving vulnerable road users extra lateral clearance in windy conditions
Tahmini Süre:45s
Soru 23Soru →

As you navigate a built-up area fitted with speed cushions, what should you do to negotiate them safely?

Cevabı ve açıklamayı göster

Cevap: Maintain a steady, moderate speed and keep your vehicle centrally positioned over each cushion

Cevap

Maintain a steady, moderate speed and keep your vehicle centrally positioned over each cushion.
Maintaining a steady, reduced speed and keeping the vehicle positioned centrally allows the wheels to pass evenly on either side of the speed cushion, ensuring maximum stability, minimal suspension impact, and leaving cycle paths clear for vulnerable road users.

Adım Adım Çözüm

1
Assess the layout and width of the speed cushions ahead
Identify that the speed cushions are spaced to allow standard car tracks to straddle them centrally while leaving clear space for cyclists near the kerb.
Speed cushions are specifically engineered to slow wider four-wheeled vehicles without forcing them to swerve into cycle paths or gutters.
2
Adjust vehicle speed smoothly before reaching the first cushion
Vehicle reaches an appropriate, steady speed (typically 15–20 mph) without late or harsh braking.
Braking prior to the obstacle ensures the suspension is settled, protecting vehicle components and maintaining tyre grip.
3
Hold a central lane position and maintain a uniform speed throughout the zone
The car glides over the cushions smoothly without surging, swerving, or endangering vulnerable road users.
Maintaining consistent speed avoids the hazards of erratic acceleration and braking while keeping cycle lanes unobstructed.

Anahtar Kavram

Proper lane positioning and smooth speed management over speed cushions in traffic-calmed zones
Tahmini Süre:1m 0s
Soru 24Soru →

Before undertaking an essential journey following heavy overnight snowfall, you must prepare your vehicle and set off safely. In what sequence should you carry out the following actions?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

Clear exterior snow from the roof, lights, and glass; demist all interior windows fully; select second gear; ease the clutch up smoothly with minimal throttle to move off.
Safe winter driving begins with thorough vehicle preparation before any movement takes place. Under Highway Code Rule 229, all snow and ice must be completely cleared from all lights, number plates, mirrors, windows, and the roof. Next, the interior glass must be thoroughly demisted before setting off so you have full visibility. When ready to move, selecting second gear dampens engine torque to the drive wheels, preventing wheelspin, and easing the clutch up gently with minimal throttle allows the tyres to gain initial traction.

Adım Adım Çözüm

1
Clear all exterior snow and ice from the roof, bonnet, lights, number plates, and glass.
The vehicle is legally compliant, lights are visible, and snow will not slide forward over the windscreen during braking.
Highway Code Rule 229 mandates that all lights, number plates, and glass must be clear, and loose snow on the roof must be removed to avoid endangering others.
2
Use the heating and demisting system to clear all interior condensation.
Full, clear 360-degree visibility is achieved before moving the vehicle.
Driving with misted windows restricts hazard awareness and is unsafe and illegal.
3
Engage second gear before attempting to move off.
Excessive torque to the driven wheels is suppressed.
First gear delivers high torque which causes the driven wheels to spin freely on compacted snow and ice.
4
Release the clutch progressively with gentle, light throttle input.
The tyres maintain traction and the vehicle moves off smoothly.
Gentle mechanical control prevents breaking the delicate friction boundary between the tyre tread and the icy surface.

Anahtar Kavram

Vehicle preparation under Highway Code Rule 229 and low-torque moving-off technique in snow and ice.
Tahmini Süre:1m 0s
Soru 25Soru →

You are slowing down to turn into a side road. Why is keeping the clutch pedal fully depressed as you approach the turn considered poor driving practice?

Cevabı ve açıklamayı göster

Cevap: It disengages the engine from the driven wheels, reducing your overall control of the vehicle

Cevap

Keeping the clutch pedal depressed disengages the engine from the driven wheels, reducing overall vehicle control.
Pressing the clutch pedal down too early before a turn causes the vehicle to coast. Coasting disconnects the engine from the driven wheels, removing engine braking and reducing cornering grip and overall vehicle control. The clutch should only be depressed just before stopping to prevent the engine from stalling.

Adım Adım Çözüm

1
Analyze the mechanical consequence of depressing the clutch pedal early
The clutch mechanism separates the engine flywheel from the gearbox and driven wheels.
This separation allows the vehicle to freewheel (coast) without engine resistance.
2
Evaluate the impact of coasting on vehicle dynamics and handling during an approach to a turn
Engine braking is eliminated, meaning all speed regulation relies on the footbrake, and the vehicle lacks drive stability through the corner.
Maintaining drive engagement stabilizes vehicle weight distribution and provides instantaneous acceleration if needed to clear a hazard.

Anahtar Kavram

Maintaining vehicle control by avoiding unnecessary coasting before turns and junctions
Tahmini Süre:45s
Soru 26Soru →

You are driving on a motorway in severe, gusty crosswinds and are approaching an exposed viaduct. Which TWO actions should you take to maintain safe vehicle control?

Geçerli olan tümünü seçin

Cevabı ve açıklamayı göster

Cevap: Hold the steering wheel firmly with both hands; Reduce your speed and anticipate sudden turbulence

Cevap

Holding the steering wheel firmly with both hands and reducing your speed to anticipate sudden turbulence are the correct actions.
When driving across exposed structures such as viaducts or open bridges in severe crosswinds, sudden gusts can violently push a vehicle sideways. Keeping a firm two-handed grip on the steering wheel allows you to maintain control and counter buffeting immediately. Reducing speed minimises the physical impact of gusts and provides greater time to anticipate and react to turbulence.

Adım Adım Çözüm

1
Assess the environmental hazards of crossing an exposed viaduct in strong crosswinds
Recognise that elevated, open structures lack natural windbreaks and produce sudden, strong gusts.
Identifying the heightened risk of sideways buffeting is essential for taking timely precautions.
2
Apply appropriate vehicle control adjustments before and during the crossing
Reduce vehicle speed and maintain a firm, two-handed steering grip.
Lower speed diminishes sideways displacement, while a firm grip ensures immediate steering correction against gusts.

Anahtar Kavram

Vehicle Control and Stability in High Winds on Exposed Structures
Tahmini Süre:45s
Soru 27Soru →

You are driving along a bypass in wet conditions when a layer of water builds up between your tyres and the road surface, causing the vehicle to aquaplane. Which action should you take to safely regain control?

Cevabı ve açıklamayı göster

Cevap: Release pressure smoothly from the accelerator and keep the steering straight until tyre grip is restored.

Cevap

Release pressure smoothly from the accelerator and keep the steering straight until tyre grip is restored.
When a vehicle aquaplanes, water builds up in front of the tyres faster than the tread grooves can disperse it, causing the car to float on a water wedge. The correct and safest response is to release pressure from the accelerator smoothly while keeping the steering straight. This allows natural deceleration until the tyre tread pushes through the water and re-establishes mechanical grip on the road surface.

Adım Adım Çözüm

1
Identify the onset of aquaplaning (characterised by very light, unresponsive steering and engine revs rising).
Driver recognises that tyres are riding on a film of water rather than contacting the tarmac.
Correct identification prevents panicked and dangerous driver reactions such as abrupt braking or sudden steering.
2
Smoothly lift off the accelerator pedal while holding the steering wheel firmly in a straight line.
The car gradually decelerates via rolling resistance and gentle engine braking without locking the wheels.
As speed drops, the tyre tread channels can successfully clear water beneath the contact patch, re-establishing physical grip on the road surface.

Anahtar Kavram

Driver response to aquaplaning and restoring tyre adhesion on water-covered roads
Tahmini Süre:50s
Soru 28Soru →

You are driving along a rural road covered with wet autumn leaves. As you negotiate a bend, the rear wheels lose grip and the vehicle begins to skid to the right. What should you do to help regain control?

Cevabı ve açıklamayı göster

Cevap: Ease off the accelerator and steer smoothly into the direction of the skid

Cevap

Ease off the accelerator and steer smoothly into the direction of the skid
When the rear wheels skid to the right, easing off the accelerator removes excess torque from the drive wheels without shocking the chassis. Steering gently in the direction of the skid (to the right) aligns the front wheels with the rear slide, allowing the tyres to regain rolling traction and recover vehicle balance.

Adım Adım Çözüm

1
Identify the type and direction of the skid
Recognise that the rear wheels have lost traction on wet leaves and are sliding to the right (oversteer)
Correct recovery requires knowing which axle has lost grip and which direction the vehicle is rotating
2
Release pedals smoothly rather than slamming on the brakes
Avoid locking the tyres or shifting vehicle weight abruptly forward
Sudden braking or acceleration breaks remaining tyre adhesion with the road surface
3
Steer carefully in the direction of the rear skid
The front wheels align with the vehicle's direction of travel, bringing the front and rear back in line
Counter-steering into the skid allows the tyres to regain directional rolling traction without over-correcting

Anahtar Kavram

Skid correction technique and pedal management during rear-wheel skids
Tahmini Süre:1m 0s
Soru 29Soru →

You are driving in dense daytime fog with visibility reduced to 40 metres. You come to a halt at the rear of a stationary queue of traffic on a dual carriageway, and another vehicle stops safely directly behind you. What should you do regarding your vehicle lighting and braking controls?

Cevabı ve açıklamayı göster

Cevap: Switch off your rear fog lights and apply the parking brake to avoid dazzling following drivers and obscuring brake lights.

Cevap

Switch off your rear fog lights and apply the parking brake to prevent dazzling following drivers and obscuring brake lights.
According to the Highway Code, high-intensity rear fog lights must be switched off when you are no longer the last vehicle in a queue or when visibility improves, as they cause intense glare and can obscure brake lights. Furthermore, applying the handbrake (parking brake) and removing your foot from the brake pedal avoids blinding the driver waiting closely behind.

Adım Adım Çözüm

1
Assess the visibility and surrounding traffic protection.
Recognise that a following vehicle has already arrived and stopped safely behind your vehicle, acting as a visual buffer.
High-intensity rear fog lights are designed to make your vehicle visible from a distance; once a vehicle is stopped behind you, their bright glare is no longer needed.
2
Adjust rear fog light controls in accordance with Highway Code Rule 236.
Turn off rear fog lights to prevent dazzling the driver directly behind and to avoid masking your brake lights.
Intense rear fog lights dazzle drivers at close range and can obscure the activation of brake lights if traffic moves again.
3
Engage the parking brake (handbrake) and release the footbrake.
The vehicle remains safely stationary without projecting continuous, bright brake lights into the eyes of following drivers.
Relying on the footbrake in a stationary queue causes continuous glare from high-level brake lights.

Anahtar Kavram

Correct use of fog lights and braking controls in stationary queues under poor visibility
Tahmini Süre:1m 0s
Soru 30Soru →

While navigating a historic town centre during a heavy downpour, you enter a traffic-calmed zone where the standard asphalt transitions abruptly to decorative block paving (cobblestones). An unexpected hazard forces you to brake sharply. Assuming your vehicle is equipped with an Anti-lock Braking System (ABS), how does this specific combination of road surface and weather interact with your braking system, and what handling outcome should you anticipate?

Cevabı ve açıklamayı göster

Cevap: The wet block paving provides significantly less grip than asphalt, causing the ABS to activate earlier; however, because the tyres may momentarily bounce on the uneven surface, your overall braking distance is likely to increase.

Cevap

The wet block paving provides significantly less grip than asphalt, causing the ABS to activate earlier; however, because the tyres may momentarily bounce on the uneven surface, your overall braking distance is likely to increase.
Block paving (cobblestones) is a common traffic calming surface that offers substantially less friction than standard asphalt, especially when wet. When braking heavily on this highly uneven surface, a vehicle's tyres can momentarily bounce off the ridges, breaking contact with the road. Because Anti-lock Braking Systems (ABS) require continuous tyre contact to calculate wheel speed accurately, this bouncing effect causes the system to release brake pressure repeatedly. Consequently, while the ABS effectively prevents wheel lock-up and allows you to steer, the total braking distance is significantly increased compared to braking on a smooth, wet road.

Adım Adım Çözüm

1
Analyze the change in road surface characteristics from standard asphalt to block paving (cobblestones) in wet conditions.
Recognize that block paving is inherently more slippery than standard tarmac, particularly when wet, which immediately reduces the available traction.
Different road surfaces have varying friction coefficients, and recognizing these shifts is essential for anticipating vehicle handling changes.
2
Evaluate the mechanical effect of the uneven surface on the Anti-lock Braking System (ABS).
Determine that while ABS prevents wheel lock-up, the uneven ridges of the cobblestones can cause the tyres to momentarily bounce and lose contact with the road.
ABS relies on continuous sensor readings and constant tyre contact; airborne or bouncing tyres confuse the system, causing it to release brake pressure.
3
Synthesize the surface conditions with the braking mechanics to determine the final handling outcome.
Conclude that the combination of reduced grip from the wet paving and intermittent tyre contact from the uneven surface will result in a significantly increased overall braking distance compared to smooth asphalt.
Understanding the limitations of vehicle safety systems in complex environments is a critical high-level hazard awareness skill.

Anahtar Kavram

Interaction between uneven road surfaces, wet weather, and Anti-lock Braking Systems (ABS)
Soru 31Soru →

While driving at 60 mph on a high-speed dual carriageway, you suddenly enter a dense bank of fog where forward visibility drops to approximately 70 metres. Which combination of driver actions complies with the Highway Code to safely manage vehicle speed and visibility?

Cevabı ve açıklamayı göster

Cevap: Ease off the accelerator gradually, activate dipped headlights and fog lights, check your speedometer regularly, and significantly increase your separation distance.

Cevap

Ease off the accelerator gradually, activate dipped headlights and fog lights, check your speedometer regularly, and significantly increase your separation distance.
According to Highway Code Rules 226 and 235, when visibility drops below 100 metres (70 metres in this scenario), drivers must use dipped headlights and are permitted to use fog lights. Drivers must reduce speed smoothly, constantly verify their true speed using the speedometer due to visual deception in fog, and maintain a generous following distance without relying on the vehicle ahead.

Adım Adım Çözüm

1
Assess the forward visibility threshold against legal and safety benchmarks.
Visibility of 70 metres falls well below the 100-metre threshold specified in Highway Code Rule 226.
When visibility drops below 100 metres (approx. 328 feet), drivers must use dipped headlights and may use front or rear fog lights.
2
Adjust vehicle speed smoothly and counteract sensory distortion.
Speed is reduced progressively without abrupt braking, with regular checks of the speedometer instrument.
Highway Code Rule 235 warns that fog distorts motion perception, making drivers feel they are moving slower than their actual speed.
3
Select correct lighting and establish safe following margins.
Dipped headlights and fog lights are illuminated, and distance from preceding traffic is substantially increased without fixating on tail-lights.
Dipped beams prevent reflected glare, fog lights ensure visibility to other road users, and increased headway guarantees the driver can stop comfortably within clear sight.

Anahtar Kavram

Highway Code Rules 226 and 235: Lighting regulations, speed calibration, and separation margins in severe fog.
Tahmini Süre:1m 15s
Soru 32Soru →

You are driving along a multi-lane highway in steady rain and notice standing water gathering in wheel ruts ahead. What actually causes a vehicle to aquaplane in these conditions?

Cevabı ve açıklamayı göster

Cevap: A layer of water builds up underneath the tyres, lifting them clear off the road surface

Cevap

A layer of water builds up underneath the tyres, lifting them clear off the road surface
Aquaplaning happens when standing water on the road accumulates in front of the tyres faster than the tread grooves can evacuate it. As vehicle speed increases, hydrodynamic pressure builds until a wedge of water pushes underneath the tyre, lifting the rubber completely off the tarmac. The car rides on a layer of liquid, causing immediate loss of steering response and braking grip.

Adım Adım Çözüm

1
Analyze the physical interaction between the road surface, standing water, and moving tyres
At higher speeds, tyre tread grooves must channel away significant volumes of water per second to maintain direct contact with the road
Understanding tyre displacement mechanics explains how tyre contact is maintained on wet surfaces
2
Determine the root cause of aquaplaning when water volume exceeds tyre displacement capacity
Water builds up into a wedge in front of and under the tyres, creating hydrodynamic pressure that lifts the vehicle onto a thin cushion of water
This physical separation removes friction, resulting in loss of steering control and braking efficiency

Anahtar Kavram

Hydrodynamic lift and tyre water dispersal dynamics during aquaplaning
Tahmini Süre:1m 0s
Soru 33Soru →

You are driving at 50 mph when severe surface water causes your vehicle to aquaplane, making the steering feel light and unresponsive. In what order should you carry out the following actions to safely regain control?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct sequence begins with holding the steering wheel steady and straight, followed by smoothly easing off the accelerator, allowing vehicle speed to drop until steering resistance returns, and finally making gentle driving adjustments once positive road grip is restored.
When aquaplaning occurs, the tyres lose contact with the road surface and ride on a cushion of water. The correct procedure is to first keep the steering wheel steady and aligned straight ahead, gently ease off the accelerator to let speed bleed off naturally without braking, wait for the steering to regain its normal weighted feel as tyres cut through the water, and only then apply normal steering or braking inputs.

Adım Adım Çözüm

1
Stabilize steering direction
Front wheels remain aligned with the roadway rather than turned at an angle.
If wheels are turned while aquaplaning, the car will violently pivot into a skid the moment grip returns.
2
Ease off the accelerator pedal
Engine power decreases gradually without abrupt braking forces.
Harsh braking or abrupt throttle changes can induce an uncontrollable skid while tyres lack road contact.
3
Wait for speed to fall and steering feel to return
Tyre tread channels displace standing water, re-establishing physical tyre-to-tarmac contact.
Natural deceleration brings vehicle speed below the aquaplaning threshold.
4
Resume progressive steering and braking controls
Normal vehicle handling and directional stability are safely restored.
Control inputs are only effective and safe when tyres have positive frictional contact with the road.

Anahtar Kavram

Procedural response to aquaplaning and traction recovery on wet roads
Tahmini Süre:1m 0s
Soru 34Soru →

If the dashboard warning light for the anti-lock braking system (ABS) remains continuously illuminated whilst driving, the vehicle's standard footbrake will continue to function normally, but anti-lock assistance will be unavailable.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True — the conventional hydraulic braking system remains functional, but anti-lock assistance is disabled when the ABS warning light stays on.
The statement is true because modern braking systems are engineered with a mechanical fail-safe. If the ABS electronic control unit detects a malfunction (such as a faulty wheel speed sensor), it illuminates the dashboard warning light and disables anti-lock pulse modulation, leaving standard hydraulic braking fully functional.

Adım Adım Çözüm

1
Interpret the function and meaning of a constant ABS dashboard warning indicator.
The warning light indicates that the electronic control unit has detected a fault and switched off the anti-lock feature.
Active electronic systems disengage automatic modulation to prevent erratic braking when sensors or actuators fail.
2
Evaluate the state of the primary vehicle braking mechanism under an ABS fault condition.
The baseline hydraulic braking system continues to function normally under driver pedal input.
Automotive braking systems incorporate mechanical/hydraulic redundancy so that normal braking is preserved even if electronics fail.
3
Determine the accuracy of the overall statement regarding vehicle drivability and braking limits.
The statement is true; the driver still has regular brakes but must account for the absence of anti-skid modulation during emergency stops until the fault is repaired.
Understanding active safety fallback states is essential for safe vehicle handling and immediate maintenance action.

Anahtar Kavram

ABS Fault Indicator and Conventional Hydraulic Braking Redundancy
Tahmini Süre:45s
Soru 35Soru →

You are driving in freezing winter weather and encounter ice on the road. By up to how many times can your overall stopping distance increase compared to dry conditions?

Cevabı ve açıklamayı göster

Cevap: Up to 10 times

Cevap

In icy conditions, stopping distances can increase by up to 10 times compared to dry road conditions.
Tyres have very little grip on icy surfaces, which severely reduces braking capability. The UK Highway Code states that in icy or snowy conditions, stopping distances can increase by up to 10 times compared to dry conditions.

Adım Adım Çözüm

1
Identify the environmental road condition specified in the scenario.
The road surface is covered with ice in freezing winter weather.
Different adverse weather conditions have distinct stopping distance multipliers in the Highway Code.
2
Recall the official Highway Code stopping distance factor for icy surfaces.
Stopping distances on ice and snow can be up to 10 times greater than on dry roads.
Severe loss of tyre grip on ice drastically reduces braking efficiency.

Anahtar Kavram

Stopping distances on ice and snow
Tahmini Süre:30s
Soru 36Soru →

In torrential rain, your vehicle enters standing water and the steering suddenly feels light and unresponsive. What should you do to restore tyre grip and control?

Cevabı ve açıklamayı göster

Cevap: Gently ease off the accelerator and keep the steering wheel steady until grip returns

Cevap

Gently ease off the accelerator and keep the steering wheel steady until grip returns
When a vehicle aquaplanes, water builds up in front of the tyres faster than the tread grooves can evacuate it, lifting the tyres off the tarmac. Easing off the throttle reduces speed progressively without upsetting vehicle balance, allowing the tyres to cut through the water film and re-establish traction.

Adım Adım Çözüm

1
Recognise the symptom of aquaplaning
Identify that light steering indicates tyres are floating on a wedge of water with loss of road contact
Correct identification prevents panic reactions such as harsh braking or rapid steering
2
Release throttle pressure gradually without braking or turning abruptly
Vehicle speed decelerates smoothly
Allows tyre treads to displace pooled water and restore frictional contact with the tarmac
3
Maintain directional stability until steering resistance is felt
Full steering and braking control are safely regained
Sudden steering angle changes while floating can cause severe skidding once grip returns

Anahtar Kavram

Aquaplaning occurs when water builds up between tyres and the road surface, causing a loss of traction that must be resolved by decelerating smoothly without harsh pedal or steering inputs.
Tahmini Süre:1m 0s
Soru 37Soru →

A driver travelling on a dual carriageway encounters standing water and feels the tyres lose contact with the road. In what sequence should the driver carry out these actions to safely regain vehicle control?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

The correct sequence is: recognise the loss of steering resistance, gradually ease pressure off the accelerator, hold the steering wheel steady in the direction of travel, and wait for tyre contact with the road surface to be fully restored.
When a vehicle aquaplanes, water builds up in front of the tyres faster than the tread can disperse it. The correct recovery procedure begins with recognising the symptom (loss of steering feedback), smoothly releasing the accelerator to slow down naturally, keeping the steering steady in a straight line, and waiting until the tyres cut through the water film to restore physical grip before attempting any further driving manoeuvres.

Adım Adım Çözüm

1
Detect the onset of aquaplaning by noting the light feel in steering and increased engine noise.
The driver becomes aware that the tyres are riding on a film of water rather than the tarmac.
Immediate awareness prevents improper panic reactions such as harsh braking.
2
Smoothly ease off the accelerator pedal.
Vehicle speed begins to decrease naturally through rolling resistance and aerodynamic drag.
Slowing down allows the tyre tread grooves to effectively disperse water from under the contact patch.
3
Maintain a steady grip on the steering wheel, keeping wheels aligned with the road.
The vehicle continues in its existing straight path without lateral weight shifts.
Turning the steering wheel while aquaplaning causes the car to violently veer or roll when grip suddenly returns.
4
Allow the vehicle to regain traction before applying gentle braking or steering adjustments.
Control is completely regained with steering feedback returning to normal weight.
Tyres must have direct mechanical contact with the road surface before handling inputs can be executed safely.

Anahtar Kavram

Correct sequential procedure for managing and recovering from vehicle aquaplaning
Tahmini Süre:45s
Soru 38Soru →

If your vehicle begins to aquaplane on a wet road, you should ease off the accelerator gradually and avoid sudden braking or steering until the tyres regain grip.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True: Easing off the accelerator gradually without sudden braking or steering is the correct action to regain vehicle control when aquaplaning.
When a vehicle aquaplanes, the tyres lose contact with the road surface. Releasing pressure from the accelerator pedal gently allows vehicle momentum to decrease naturally until the tyre tread channels water away and restores mechanical grip.

Adım Adım Çözüm

1
Identify the vehicle handling condition described.
The condition is aquaplaning, where a layer of water builds up between the tyres and the road surface, resulting in loss of traction and light steering.
Accurately identifying the loss of tyre-to-road contact is essential to determine the safe corrective response.
2
Evaluate the appropriate driver physical response according to DVSA standards.
Releasing the accelerator gently allows the car to slow down until tyre tread clears the water wedge and restores grip.
Sudden braking or abrupt steering inputs while the vehicle is sliding over water can cause loss of directional control and skidding.

Anahtar Kavram

Correct driver response to vehicle aquaplaning on wet roads
Tahmini Süre:30s
Soru 39Soru →

What causes a car to aquaplane on a wet road surface?

Cevabı ve açıklamayı göster

Cevap: A layer of water building up between the tyres and the road surface

Cevap

A layer of water building up between the tyres and the road surface
Aquaplaning occurs when a layer of surface water builds up between the tyres and the road surface faster than the tyre tread grooves can disperse it. This creates a cushion of water that lifts the tyres off the road, resulting in a loss of grip, steering, and braking control.

Adım Adım Çözüm

1
Identify the physical mechanism of aquaplaning in wet conditions
Water accumulates under the tyres faster than the tread can clear it
When driving through standing water at speed, water pressure builds in front of and under the tyres
2
Determine the consequence on tyre-to-road contact
The tyres ride up on a cushion of water and lose direct contact with the road
This loss of road contact eliminates traction, steering control, and braking effectiveness

Anahtar Kavram

Aquaplaning occurs when surface water builds up between the tyres and the road surface, breaking direct tyre contact.
Tahmini Süre:30s
Soru 40Soru →

You are driving along a residential road with a series of road humps installed. What is the safest driving practice to follow when navigating these traffic calming features?

Cevabı ve açıklamayı göster

Cevap: Maintain a reduced, steady speed throughout the entire calmed zone

Cevap

Maintain a reduced, steady speed throughout the entire calmed zone.
Maintaining a steady, reduced speed throughout a traffic-calmed zone is the safest and most efficient method. It prevents excessive wear on the vehicle's suspension and brakes, reduces emissions, and ensures the driver has sufficient time to observe and react to hazards in busy residential areas.

Adım Adım Çözüm

1
Identify the traffic calming environment and reduce vehicle speed on approach
Vehicle enters the traffic-calmed section at a safe, controlled pace
Traffic calming measures are placed in areas with high pedestrian activity, such as residential zones or school areas, to lower overall vehicle speeds.
2
Select a suitable lower gear and hold a smooth, uniform speed across all humps
Avoids repeated acceleration and harsh braking
Smooth driving minimises vehicle wear, cuts emissions, and provides adequate stopping distance if children or vulnerable road users appear.

Anahtar Kavram

Speed management in traffic-calmed areas
Tahmini Süre:45s
ÖncekiSayfa 2 / 7Sonraki
Vehicle Handling Alıştırma Soruları — UK Driving Theory Test — Sayfa 2 | Examkin