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Tüm alıştırma soruları

1884 soru

Tüm türler1,884Çoktan seçmeli962Çoklu seçim84Doğru / Yanlış379Sayısal32Eşleştirme249Sıralama178
Soru 1121Soru →

If the power-assisted steering warning light illuminates while you are driving, you will completely lose the mechanical ability to steer the vehicle.

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Cevap: False

Cevap

False. While a power-assisted steering fault removes steering assistance and makes the wheel significantly heavier to turn, direct mechanical control is retained.
The statement is false. When the power-assisted steering warning light illuminates, power assistance is disabled, making the steering wheel much heavier to turn (particularly when manoeuvring or travelling at low speeds). However, the physical mechanical steering linkage remains operational, allowing the driver to maintain control and safely guide the vehicle to a stop.

Adım Adım Çözüm

1
Identify the system indicated by the power-assisted steering warning light.
Recognise that the warning symbol signifies a fault in the power assistance mechanism (hydraulic or electric).
Understanding system function clarifies whether the fault affects steering assistance or the core mechanical linkage.
2
Assess the operational impact of steering assistance failure on vehicle handling.
Determine that steering will feel exceptionally heavy, especially at lower speeds, but directional control is still physically possible.
Ensures the driver understands that they can still steer the vehicle safely to a stop without panicking.

Anahtar Kavram

Power-Assisted Steering Warning Indicators and Failsafe Vehicle Control
Tahmini Süre:45s
Soru 1122Soru →

You are driving at 60 mph on a national speed limit single carriageway in torrential rain. Ahead, you notice significant surface water pooling across the road. What is the safest and most effective action to take before reaching the pooled water to prevent aquaplaning?

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Cevap: Check your mirrors and ease off the accelerator in good time to reduce your speed smoothly before reaching the standing water.

Cevap

Check your mirrors and ease off the accelerator in good time to reduce your speed smoothly before reaching the standing water.
Aquaplaning occurs when water builds up between the tyre and road surface faster than the tread grooves can disperse it, causing the tyre to ride on a film of water. Checking mirrors and easing off the accelerator in good time allows the car to slow down smoothly before reaching the water, ensuring the tread can effectively evacuate surface water and maintain grip.

Adım Adım Çözüm

1
Assess the upcoming surface hazard and surrounding traffic.
Identified standing water ahead and confirmed following vehicle distance via mirrors.
Observing hazards early allows smooth, controlled adjustments without surprising trailing vehicles.
2
Ease off the accelerator well before reaching the water rather than braking abruptly.
Vehicle speed decreases smoothly and progressively before encountering the pool.
Lower vehicle speed reduces the rate of water accumulation in front of the tyres, allowing the tread grooves to clear water efficiently and prevent aquaplaning.
3
Maintain a steady course with both hands on the steering wheel while traversing the wet area.
Tyre contact and directional stability are preserved.
Sudden steering inputs or pedal applications while tyres pass through standing water can break residual grip and initiate a skid.

Anahtar Kavram

Proactive speed reduction before standing water to prevent aquaplaning
Tahmini Süre:1m 0s
Soru 1123Soru →

Under normal, dry road conditions, The Highway Code recommends maintaining a minimum safety margin of at least 2 seconds behind the vehicle ahead. When driving on a road affected by ice or packed snow, stopping distances can increase by up to ten times. To maintain an equivalent safety margin in icy conditions, what is the minimum recommended separation distance, in seconds, that you should leave behind the leading vehicle?

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Cevap: 20

Cevap

20 seconds
Under dry conditions, drivers must leave at least a two-second time gap behind the vehicle in front. In icy conditions or on packed snow, tyre friction is drastically reduced and stopping distances can be up to ten times greater. Drivers must therefore increase their separation gap by up to ten times, resulting in a minimum safe gap of 20 seconds.

Adım Adım Çözüm

1
Determine the baseline time gap required in dry conditions.
The baseline time gap is 2 seconds2\text{ seconds}.
The standard two-second rule applies under good, dry driving conditions.
2
Apply the Highway Code multiplier for icy or packed snow conditions.
The separation gap increases by a factor of 1010.
Tyre grip is severely compromised on ice, increasing overall stopping distances by up to ten times.
3
Calculate the total required separation gap in seconds.
2 s×10=20 s2\text{ s} \times 10 = 20\text{ s}
Multiplying the baseline 2-second2\text{-second} rule by the 10×10\times multiplier yields the minimum safe following time.

Anahtar Kavram

Applying road condition multipliers to the two-second separation rule
Tahmini Süre:1m 0s
Soru 1124Soru →

While driving along a rural road, you hear sirens and observe an emergency vehicle with flashing blue lights approaching rapidly from behind. The road directly ahead rises towards the brow of a steep hill. What is the safest course of action to take?

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Cevap: Continue over the crest at a sensible speed and pull over safely once visibility is clear.

Cevap

Continue over the crest at a sensible speed and pull over safely once visibility is clear.
According to UK Highway Code Rule 219, when an emergency vehicle approaches, you should stay calm, consider its route, and avoid stopping before the brow of a hill, on a bend, or in a narrow section of road where visibility is restricted. Continuing over the crest at a sensible speed allows you to find a safe, visible place to pull over and let the emergency vehicle pass safely.

Adım Adım Çözüm

1
Assess the immediate road environment and identify the hazard of the steep hill crest ahead.
Recognise that stopping before the brow of a hill hides your stationary vehicle from oncoming or overtaking traffic.
Highway Code Rule 219 explicitly advises against stopping before the brow of a hill, on a bend, or in narrow road sections.
2
Maintain vehicle control at a safe, steady speed until the road ahead offers clear forward visibility.
Clear the crest without panicking, speeding, or performing sudden emergency braking.
Allows the emergency vehicle driver to see ahead and plan a safe overtaking manoeuvre once past the obstruction.
3
Check mirrors, signal your intention, and pull to the left where safe and legal.
Provide a safe, unobstructed path for the emergency service vehicle to pass.
Ensures the manoeuvre is executed predictably and safely without endangering other road users.

Anahtar Kavram

Dealing with emergency vehicles safely and avoiding hazardous stopping locations under Highway Code Rule 219.
Tahmini Süre:1m 0s
Soru 1125Soru →

When planning to change lanes on a multi-lane road, why must you check your vehicle's blind spots for motorcyclists?

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Cevap: Motorcyclists have a small profile and can easily be hidden from mirror view

Cevap

Motorcyclists have a small profile and can easily be hidden from mirror view
Motorcycles are significantly smaller and narrower than cars and other large vehicles. Because of their slim profile, they can easily disappear into the vehicle's blind spots—areas not reflected in either the interior or door mirrors. Performing a quick glance over the shoulder before changing lanes ensures you spot any motorcyclist alongside you.

Adım Adım Çözüm

1
Identify the physical characteristics of motorcycles in relation to car mirrors
Motorcycles are narrow vehicles that easily fit within areas not covered by interior and exterior mirrors.
Recognising that mirrors alone leave unmonitored zones around the car is essential for road safety.
2
Determine the necessary observation routine before carrying out a lane change
A physical shoulder check into the blind spot is required to ensure no motorcyclist is alongside.
Direct visual checks confirm that the space you intend to move into is entirely clear.

Anahtar Kavram

Motorcycle visibility and blind spot checks
Tahmini Süre:45s
Soru 1126Soru →

You are driving along a residential street and approach a car displaying 'L' plates that has stopped and is preparing to reverse into a parking space on the left. What should you do?

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Cevap: Stay well back, remain patient, and allow the driver plenty of time and space to complete the manoeuvre

Cevap

Stay well back, remain patient, and allow the driver plenty of time and space to complete the manoeuvre
Learner drivers require patience and understanding as they develop vehicle control. Stopping well back provides the driver with the necessary room to complete their parking manoeuvre safely without feeling pressured, while also protecting your own vehicle if the front of their car swings outward across the carriageway.

Adım Adım Çözüm

1
Identify the learner driver and the nature of the upcoming manoeuvre
Recognise that parallel parking requires concentration, fine clutch control, and road space for front-end swing
Learners are prone to hesitation and spatial misjudgements during complex low-speed manoeuvres
2
Select the appropriate defensive driving response
Halt at a safe distance and wait calmly until the road ahead is clear and safe to proceed
Maintaining a generous separation buffer relieves pressure on the learner and eliminates collision risks

Anahtar Kavram

Patience, clearance, and anticipation when following learner drivers carrying out manoeuvres
Tahmini Süre:1m 0s
Soru 1127Soru →

It is 2:00 pm on a Tuesday. You are driving on a dual carriageway where the left lane is a designated bus lane, bordered by a thick solid white line. The blue bus lane sign displays operational hours of '7:00 am - 10:00 am' and '4:00 pm - 7:00 pm'. A large coach is travelling closely behind you in the right-hand lane. You intend to take an exit located half a mile ahead. Which sequence of actions is legally correct and the safest response?

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Cevap: Signal left, check your mirrors and blind spot, and move into the bus lane; because it is outside the operational hours, it functions as a normal left lane, allowing the coach to pass.

Cevap

You should check your mirrors and blind spot, then move safely into the bus lane, as it is currently inactive and functions as a normal left lane.
The correct answer acknowledges that at 2:00 pm, the bus lane is not operational. During off-hours, the restriction of the solid white line is lifted, meaning any vehicle can use the lane. By moving into this lane, you comply with the fundamental rule to keep left unless overtaking, and you safely remove yourself from the path of the tailgating coach.

Adım Adım Çözüm

1
Analyze the bus lane's operational signage against the current time.
The current time is 2:00 pm, which falls completely outside the operational hours of 7:00-10:00 am and 4:00-7:00 pm.
To determine if the vehicle restrictions for the bus lane are currently in effect.
2
Interpret the legal status of the thick solid white line based on the time.
Because the bus lane is inactive, the solid white line can legally be crossed, and the lane reverts to being a standard traffic lane.
Road markings for bus lanes only enforce a restriction during the times specified on the accompanying regulatory signs.
3
Apply general rules of the road and hazard management strategies.
Move safely into the left lane (the inactive bus lane).
To comply with the Highway Code's requirement to drive in the left-hand lane when not overtaking, which simultaneously allows the tailgating coach to pass safely.

Anahtar Kavram

Interacting with Bus Lane Infrastructure and Operating Hours
Soru 1128Soru →

You are driving along an urban road past a line of parked cars and notice reversing lights illuminate on one of the vehicles ahead. In what chronological sequence should you carry out the following actions to anticipate and manage this developing hazard safely?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

Recognise the hazard cue, check mirrors to assess following traffic, ease off the accelerator and cover the brake to reduce speed, and adjust road position for safety clearance while remaining prepared to stop.
Safe hazard anticipation follows a structured defensive driving process: first scanning and spotting the clue (reversing lights), then checking mirrors to evaluate behind, easing off the accelerator and covering the brake to control speed smoothly, and finally adjusting lateral clearance while remaining prepared to stop.

Adım Adım Çözüm

1
Scan ahead and detect the early warning sign of reversing lights on the parked vehicle.
The potential hazard is identified before it turns into an immediate emergency.
Effective hazard perception relies on early detection of visual clues to give sufficient time to react.
2
Check the interior mirror and right door mirror.
Awareness of any vehicles or cyclists closely following or overtaking is established.
The Mirrors-Speed-Position routine requires checking mirrors before any alteration in speed or direction.
3
Release the accelerator pedal and place your foot over the brake pedal without pressing hard.
The vehicle slows down smoothly and reaction time is minimized if emergency braking becomes necessary.
Covering the brake removes thinking distance delay and prevents abrupt braking that could endanger following traffic.
4
Steer slightly out to provide a safety clearance (at least a door's width) if oncoming traffic permits, and be ready to stop.
A safe lateral cushion is maintained away from the hazard.
Maintaining adequate clearance ensures you avoid collision even if the parked vehicle unexpectedly rolls back.

Anahtar Kavram

Defensive hazard anticipation routine using Mirrors-Speed-Position principles
Tahmini Süre:1m 0s
Soru 1129Soru →

You are approaching a roundabout behind a long Large Goods Vehicle (LGV). The driver signals to turn left but moves out towards the right-hand lane. What should you do?

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Cevap: Stay well back behind the vehicle and allow it room to complete the turn

Cevap

Stay well back behind the vehicle and allow it room to complete the turn
Long vehicles such as articulated lorries require extra road space when turning at junctions and roundabouts. To make a left turn without mounting the kerb, the driver often needs to swing out to the right. You should stay well back and allow the driver plenty of room to complete the manoeuvre safely.

Adım Adım Çözüm

1
Recognise the specific road space requirements of articulated large goods vehicles
Understand that long vehicles must swing out in the opposite direction before turning to clear kerbs and road furniture
Articulated lorries and long vehicles have a wide turning circle and their trailers cut the corner
2
Maintain a safe following distance and hold back
Keep out of the vehicle's blind spots and leave the driver enough room to negotiate the junction safely
Prevents collision with the sweeping body or trailer of the LGV

Anahtar Kavram

LGV Turning Arcs and Manoeuvring Space
Tahmini Süre:45s
Soru 1130Soru →

Unless signs show a lower limit, what is the national speed limit on a motorway for a car towing a trailer?

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Cevap: 60 mph

Cevap

60 mph
Under the UK Highway Code, the national speed limit on motorways is 70 mph for standard cars and motorcycles. However, any vehicle towing a trailer or caravan is legally limited to a maximum speed of 60 mph on motorways and dual carriageways, provided no lower speed limit is displayed.

Adım Adım Çözüm

1
Identify the vehicle category and the road type
The vehicle is a car towing a trailer, and the road is a motorway with standard national speed limits applying.
National speed limits under the UK Highway Code vary based on vehicle classification and whether a trailer is being towed.
2
Apply the specific UK speed limit rule for towing vehicles
Cars towing trailers or caravans are restricted to a maximum speed of 60 mph on both dual carriageways and motorways.
A reduced speed limit applies because towing increases vehicle weight, stopping distances, and the risk of instability at high speeds.

Anahtar Kavram

National speed limits on motorways for towing vehicles
Tahmini Süre:45s
Soru 1131Soru →

Static road hazards create distinct visual obstructions and spatial restrictions that require defensive driving adjustments. Match each static hazard with its primary anticipated risk.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

Stationary bus at a designated roadside stop
Arched low railway bridge over a two-way carriageway
Concealed farm entrance bordered by tall boundary hedges
Continuous row of parked cars along a residential street

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Stationary bus matches hidden pedestrians crossing around the vehicle; Arched low railway bridge matches high-sided vehicles moving to the centre of the road; Concealed farm entrance matches slow-moving agricultural machinery emerging; Continuous row of parked cars matches car doors opening or pedestrians stepping out between gaps.
Each static hazard presents a specific, predictable risk dictated by its physical layout and typical road user behaviour: stationary buses conceal crossing pedestrians, arched bridges force tall vehicles into the centre of the carriageway, concealed entrances obscure emerging farm machinery, and parked cars conceal opening doors and pedestrians stepping into the road.

Adım Adım Çözüm

1
Identify the primary danger associated with large stationary passenger transport
Pedestrians often step out from behind or in front of stationary buses without clear sightlines.
Passengers disembarking from a bus frequently cross immediately before or behind it.
2
Analyse the structural limitation of arched bridge crossings
High-sided vehicles must occupy the middle of the road to clear the arched structure.
The curve of an arched bridge reduces clearance near the kerbs, forcing taller vehicles over the centre line.
3
Assess rural static blind spots caused by roadside foliage
Agricultural vehicles with long front implements or trailers may emerge blindly from hidden field tracks.
Overgrown hedges create blind junctions that prevent both approaching and emerging drivers from seeing each other early.
4
Examine the risks of residential kerbside parking
Occupants opening car doors and pedestrians walking out from between parked vehicles create immediate spatial hazards.
Parked vehicles block the driver's view of kerbside movement and can suddenly obstruct the driving lane.

Anahtar Kavram

Static hazards include permanent roadway physical features and stationary obstructions that restrict sightlines or alter road positioning, requiring early speed reduction and active anticipation.
Tahmini Süre:1m 0s
Soru 1132Soru →

You have fitted a roof rack and loaded it with luggage for a journey. How will carrying this overhead load affect your vehicle's handling and stability?

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Cevap: It will raise the centre of gravity, increasing body roll and making the vehicle more vulnerable to side winds.

Cevap

It will raise the centre of gravity, increasing body roll and making the vehicle more vulnerable to side winds.
Loading items on a roof rack raises the vehicle's centre of gravity. This makes the car significantly less stable, causing increased body roll when negotiating bends and making the vehicle far more susceptible to buffeting from strong side winds.

Adım Adım Çözüm

1
Analyze the physical effect of positioning weight on top of the vehicle.
Placing heavy items on a roof rack shifts the vehicle's overall centre of mass upwards.
Mass distributed high above the axles changes the vehicle's balance point.
2
Evaluate how a higher centre of gravity impacts cornering and aerodynamic stability.
The vehicle experiences greater body roll during turns and is pushed more easily by side winds.
A higher centre of gravity amplifies lateral forces acting on the vehicle body.

Anahtar Kavram

Impact of overhead vehicle loading on centre of gravity and lateral stability
Tahmini Süre:45s
Soru 1133Soru →

Before making an essential journey in winter conditions, your vehicle is covered with snow. What is the correct order of steps to properly prepare the vehicle and move off safely?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

Ensure windscreen wipers are off before ignition, clear all exterior snow and ice from the vehicle, demist all interior windows fully, then check around and move off gently in the highest practical gear.
Before setting off in freezing weather, you must first ensure the wipers are switched off so their motors do not burn out when starting the engine. Next, clear all exterior snow from the roof, lights, mirrors, and glass to ensure visibility and prevent snow blinding yourself or others. Then, ensure the interior glass is completely demisted. Finally, complete all-round observations and move away smoothly in a higher gear to minimise wheelspin.

Adım Adım Çözüm

1
Ensure windscreen wipers are turned off before switching on the ignition.
Protects the wiper motor and wiper blades from mechanical overload.
If wipers are frozen to the windscreen and active when the ignition turns on, the electric motor can burn out or blow a fuse.
2
Clear all exterior snow and ice from the roof, lights, mirrors, and glass.
Gives unobstructed exterior sightlines and ensures vehicle lights are visible to others.
The Highway Code requires all windows and lights to be completely clear of snow before driving, and clearing the roof prevents snow from sliding over the windscreen when braking.
3
Demist the windscreen and side windows completely from the inside.
Achieves full 360-degree vision from inside the cabin.
Driving with misted windows restricts hazard awareness and is a motoring offence.
4
Conduct all-round observations and gently move away in a higher gear.
The car moves away smoothly without losing traction.
Selecting a higher gear delivers less torque to the driven wheels, helping to prevent wheelspin on packed snow and ice.

Anahtar Kavram

Correct procedure for preparing a snow-covered vehicle and moving off safely on slippery surfaces
Tahmini Süre:45s
Soru 1134Soru →

While driving on a wet road, the rear of your car begins to skid to the right. In what order should you perform these immediate corrective actions?

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Cevabı ve açıklamayı göster

Cevap

The correct sequence is to first release the footbrake and accelerator pedals, steer smoothly into the direction of the skid, and finally straighten the steering wheel as the vehicle regains alignment.
To regain control during a rear-wheel skid, the driver must first release the footbrake and throttle so the tyres can regain rolling grip. The driver should then steer smoothly into the direction the rear is skidding, and finally straighten the wheel as the vehicle recovers its line to prevent a secondary skid.

Adım Adım Çözüm

1
Take your feet off the brake and accelerator pedals.
Traction is restored to the tyres because locked or spinning wheels cannot generate steering control.
Removing harsh braking or sudden power is essential before steering input can be effective.
2
Steer smoothly into the direction the rear of the vehicle is sliding.
The front wheels match the vehicle's momentum and counteract the sideways spin.
Steering into the skid brings the vehicle back on its intended path.
3
Centralise the steering wheel as the car straightens.
The vehicle stabilises smoothly along the road.
Failing to straighten up in time causes a sudden whip effect and a secondary skid.

Anahtar Kavram

Skid correction technique and sequence
Tahmini Süre:45s
Soru 1135Soru →

Even small amounts of alcohol can significantly alter how a driver assesses road conditions. What psychological effect does alcohol typically have on a driver?

Cevabı ve açıklamayı göster

Cevap: It creates a false sense of confidence, leading to increased risk-taking

Cevap

Alcohol creates a false sense of confidence, leading to increased risk-taking.
Alcohol acts as a central nervous system depressant that impairs self-awareness and rational judgment. This commonly produces an illusion of heightened capability and confidence, prompting drivers to underestimate road hazards, misjudge speed and distances, and engage in dangerous driving behaviours.

Adım Adım Çözüm

1
Identify the pharmacological category and primary cognitive impact of alcohol on the central nervous system.
Alcohol acts as a depressant that impairs higher brain functions, including hazard perception, self-criticism, and risk assessment.
Understanding alcohol's depressant effect clarifies why cognitive judgment is degraded before physical motor skills fail completely.
2
Evaluate the psychological changes experienced by drivers after consuming alcohol.
Drivers often feel more capable and relaxed, creating an illusion of competence while their actual reaction times and judgment are severely degraded.
This false sense of confidence leads to aggressive driving, higher speeds, and hazardous manoeuvres that the driver would otherwise avoid.

Anahtar Kavram

Psychological effects of alcohol on driver hazard perception and risk assessment
Tahmini Süre:45s
Soru 1136Soru →

While driving at night, the red battery charge warning light stays illuminated on your vehicle's instrument panel. What does this warning light indicate?

Cevabı ve açıklamayı göster

Cevap: The electrical charging system has failed or the alternator drive belt is broken.

Cevap

The electrical charging system has failed or the alternator drive belt is broken.
The red battery warning light illuminates when the alternator fails to generate sufficient voltage to charge the battery. Common causes include an alternator malfunction, broken auxiliary drive belt, or severe wiring fault. If you continue driving, electrical components (including headlights and engine management) will quickly drain the battery, leading to complete vehicle shutdown.

Adım Adım Çözüm

1
Identify the meaning and colour severity of the dashboard symbol.
The red battery symbol represents the vehicle electrical charging system and signals a critical operational fault.
Red dashboard warning lights indicate immediate system failures that require prompt attention to avoid vehicle breakdown or safety hazards.
2
Determine the functional consequence of the charging system warning.
The alternator is not supplying electrical power to recharge the battery or support vehicle electrical consumers.
When the alternator fails or its auxiliary drive belt snaps, the vehicle operates solely on reserve battery power until depleted.

Anahtar Kavram

Interpretation and response to the red battery/alternator charging system warning light.
Tahmini Süre:1m 0s
Soru 1137Soru →

You are following a large agricultural vehicle along a winding country road. Why should you drop back and maintain a generous following distance?

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Cevap: To improve your view of the road ahead and ensure you remain visible in the driver's mirrors

Cevap

Dropping back improves your forward visibility around the large vehicle and keeps you visible in the driver's exterior mirrors.
Large agricultural vehicles such as tractors and combine harvesters severely obstruct your forward view. Dropping back expands your forward sightline around the vehicle, allowing you to see oncoming traffic and developing hazards. It also ensures your vehicle is clearly visible in the agricultural driver's side mirrors.

Adım Adım Çözüm

1
Assess the visual obstruction caused by the large agricultural vehicle.
Recognise that travelling too close creates a large blind zone ahead, preventing you from seeing oncoming traffic, road bends, or hazards.
Large machinery and trailers block the forward line of sight when followed closely.
2
Evaluate the mirror field of view of the agricultural vehicle driver.
Understand that keeping a generous gap allows the driver to monitor your presence in their side mirrors.
Agricultural vehicles often lack central rear-view mirrors and rely entirely on side mirrors.
3
Determine the safest following posture prior to any overtaking opportunity.
Maintain a safe separation distance to scan ahead for a safe, legal overtaking window without rushing.
A wider viewing angle enables safer assessment of hazards before initiating an overtake.

Anahtar Kavram

Following distance and forward visibility behind agricultural vehicles
Tahmini Süre:45s
Soru 1138Soru →

Under-inflated tyres reduce the likelihood of aquaplaning on water-covered roads because the larger contact footprint creates more grip.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

The statement is false. Under-inflated tyres significantly increase the risk of aquaplaning because internal tread distortion prevents water from being effectively channelled away.
The statement is false. Correct tyre pressure is vital for maintaining an even contact patch across the road. Under-inflation causes the tyre tread to buckle inward at the centre, compromising the tread channels' ability to disperse water. This allows a wedge of water to form underneath the tyre at lower speeds, substantially increasing the risk of aquaplaning.

Adım Adım Çözüm

1
Analyze how tyre inflation pressure affects tread contact geometry.
Under-inflation causes the outer shoulders to bear excessive load while the centre of the tread bows inward away from the road surface.
Tyre tread channels require correct internal air pressure to stay open and maintain a flat, uniform contact patch.
2
Evaluate the hydrodynamic consequences of this tread distortion in wet conditions.
The collapsed central grooves cannot evacuate water efficiently, allowing water to collect beneath the tyre.
Without clear drainage pathways, hydrodynamic water pressure rapidly builds up under the tyre carcass.
3
Determine the resulting effect on the vehicle's aquaplaning threshold.
The tyre rides up on a film of water at much lower speeds compared to a correctly inflated tyre, increasing the risk of loss of control.
Because under-inflation impairs water dispersion and lowers the aquaplaning speed, the statement is false.

Anahtar Kavram

Impact of tyre pressure and tread geometry on hydrodynamic water dispersal and aquaplaning thresholds
Tahmini Süre:45s
Soru 1139Soru →

In Great Britain, newly qualified drivers are legally required to display green 'P' (probationary) plates on their vehicle for the first six months after passing their driving test.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. Displaying green 'P' plates after passing the practical test is voluntary in Great Britain, not a legal requirement.
The statement is false because displaying green 'P' plates on a vehicle is voluntary in Great Britain. Drivers may choose to display them for as long as they feel necessary after qualifying, but there is no legal obligation to display them at all.

Adım Adım Çözüm

1
Identify the statutory regulations regarding post-test plate display in Great Britain.
Unlike red 'L' plates for learner drivers, green 'P' plates are an optional advisory indicator.
Determine whether newly qualified drivers are legally obligated to display probationary plates.
2
Evaluate the statement claiming a mandatory six-month requirement.
Because the scheme is non-compulsory, there is no legal requirement or fixed time limit to display 'P' plates.
Assess the truth value of the statutory claim in the stem.

Anahtar Kavram

Probationary 'P' plate advisory status for newly qualified drivers in Great Britain
Tahmini Süre:45s
Soru 1140Soru →

You are driving down a steep hill on an icy road. What action should you take to keep control of your vehicle?

Cevabı ve açıklamayı göster

Cevap: Select a low gear, drive at a slow speed, and avoid harsh braking

Cevap

Select a low gear, drive at a slow speed, and avoid harsh braking.
When driving down a steep, icy hill, selecting a low gear before descending allows engine braking to help manage speed naturally. Keeping speed low and avoiding abrupt braking preserves tyre grip and prevents wheel lock-up.

Adım Adım Çözüm

1
Assess the icy gradient and adjust vehicle speed before beginning the descent.
The vehicle approaches the slope at a safe, controlled pace.
Attempting to slow down suddenly once already on an icy slope is difficult and hazardous.
2
Engage a low gear and use gentle control inputs.
Engine braking restrains the vehicle's descent speed without locking the wheels.
Relying on engine braking reduces the need for harsh friction braking on slippery surfaces.

Anahtar Kavram

Downhill speed control and engine braking on icy surfaces
Tahmini Süre:45s
ÖncekiSayfa 57 / 95Sonraki
Tüm alıştırma soruları — UK Driving Theory Test | Examkin