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Tüm alıştırma soruları

1884 soru

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Soru 541Soru →

At a pelican crossing, a driver is permitted to proceed during the flashing amber light phase if an older pedestrian is still on the crossing but has moved past the path of the driver's vehicle.

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Cevap: False

Cevap

False
Under Highway Code Rule 196, a flashing amber signal at a pelican crossing requires drivers to give way to any pedestrians who are still on the crossing. Drivers must wait until the entire crossing is clear before proceeding. Older and vulnerable pedestrians may take longer to cross, may misjudge approaching traffic, or may turn back unexpectedly, making it dangerous to move off prematurely.

Adım Adım Çözüm

1
Identify the crossing type and traffic light phase described in the scenario.
The situation involves a pelican crossing displaying a flashing amber signal while a pedestrian remains on the carriageway.
Pelican crossings feature a unique flashing amber phase following the red signal that governs driver movement relative to pedestrians.
2
Apply the relevant UK Highway Code rule regarding the flashing amber signal and vulnerable road users.
Highway Code Rule 196 states that drivers must give way to any pedestrian on the crossing and may only proceed once the crossing is completely clear.
Older pedestrians may walk slowly, have reduced hearing or eyesight, or become confused and unexpectedly reverse their direction.
3
Evaluate the statement's validity against the legal requirement.
The statement asserts that a driver may move off while a pedestrian is still on the crossing, which directly violates the rule.
Drivers must never rush vulnerable road users or drive across a crossing before all pedestrians have stepped safely onto the pavement.

Anahtar Kavram

Pelican crossing regulations and patience for older pedestrians
Tahmini Süre:45s
Soru 542Soru →

When driving along a street with parked vehicles, observing the angle of their front wheels and watching for exhaust emissions are effective visual scanning techniques to anticipate a vehicle pulling out.

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Cevap: True

Cevap

True
Continuous scanning involves looking for early physical cues—such as turned front tyres, exhaust emissions, illuminated brake lights, and driver presence—so that potential hazards can be anticipated well before a vehicle enters your path.

Adım Adım Çözüm

1
Analyze the visual scanning cues associated with stationary vehicles preparing to enter traffic.
Front wheels turned outwards toward the carriageway and active exhaust emissions indicate that the engine is running and the driver may be preparing to pull away.
Effective anticipation requires recognizing preliminary physical signs of hazard development before movement occurs.
2
Evaluate how identifying these cues impacts driver response and safety margins.
Noticing these indicators early allows the driver to adjust road position, check mirrors, and moderate speed smoothly without abrupt braking.
Proactive observation prevents emergency reactions and reduces the risk of side-swipe or rear-end collisions.

Anahtar Kavram

Anticipating emerging hazards from parked vehicles by actively scanning for early visual indicators of movement.
Tahmini Süre:45s
Soru 543Soru →

You are driving along a two-way suburban road and need to pull out to pass a large delivery lorry parked on your side of the carriageway. Before you signal and steer across the centre line, why is it essential to check your right-hand blind spot in addition to your mirrors?

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Cevap: To detect any overtaking vehicle or motorcyclist that cannot be seen in your mirrors

Cevap

To detect any overtaking vehicle or motorcyclist that cannot be seen in your mirrors
Before signalling and moving out to pass an obstruction, drivers must check their mirrors and perform an offside blind-spot shoulder check. This confirms that no vehicle, motorcyclist, or cyclist has committed to overtaking from behind in the area not covered by mirrors.

Adım Adım Çözüm

1
Assess the forward road and the obstruction
Identify that passing the stationary lorry requires crossing into the oncoming lane.
You must first ensure there is adequate road space and no oncoming traffic before planning to pull out.
2
Execute the Mirrors-Signal-Manoeuvre (MSM) routine
Check interior and right door mirrors to evaluate traffic approaching from behind.
Mirrors provide early awareness of following road users.
3
Carry out an over-the-shoulder right blind-spot check before signalling or steering
Confirm that no faster vehicle, motorcyclist, or cyclist has already begun overtaking in the unreflected blind area.
Mirrors have blind spots; moving out across the centre line without checking over your shoulder risks a collision with an overtaking road user.

Anahtar Kavram

Pre-manoeuvre observation requires checking both mirrors and the blind spot over the shoulder before altering course or overtaking an obstruction.
Tahmini Süre:1m 0s
Soru 544Soru →

Approaching a series of mini-roundabouts on a busy suburban route, why should you continuously scan the entire road environment rather than looking only at the vehicle immediately ahead?

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Cevap: To identify developing hazards early and adjust your speed smoothly before situations become critical

Cevap

To identify developing hazards early and adjust your speed smoothly before situations become critical
Maintaining a continuous scanning routine across the wider road scene enables the driver to identify early clues, such as traffic building up at an upcoming roundabout or vehicles waiting at side turnings. This early anticipation gives sufficient time to ease off the accelerator and brake smoothly, maintaining total control.

Adım Adım Çözüm

1
Analyze the purpose of scanning the wider driving environment
Recognize that road situations change continuously with potential hazards emerging from side turnings, pedestrian crossings, and upcoming junctions
Anticipation requires looking beyond the vehicle directly in front to build an accurate mental model of the entire traffic scene.
2
Evaluate the effect of early hazard detection on driving safety and control
Early awareness allows gradual deceleration, appropriate gear selection, and smooth vehicle control rather than emergency stops
Proactive planning increases safety margins and reduces collision risk for all road users.

Anahtar Kavram

Continuous visual scanning across near, middle, and far distances enables early hazard anticipation and smooth vehicle control.
Tahmini Süre:1m 0s
Soru 545Soru →

You are following another vehicle on a wet road. Under normal dry conditions, you would leave a gap of at least two seconds. What is the minimum time gap you should maintain behind the vehicle in wet conditions?

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Cevap: At least 4 seconds

Cevap

At least 4 seconds
On wet roads, surface water reduces tyre adhesion, which doubles overall stopping distance. According to The Highway Code, drivers must double their normal separation distance from two seconds to at least four seconds.

Adım Adım Çözüm

1
Identify the base separation rule for good, dry road conditions.
The baseline separation gap is at least 2 seconds (the two-second rule).
This baseline provides adequate thinking and braking distance when tyre grip is optimal.
2
Apply the wet weather multiplier to the separation time.
2 seconds multiplied by 2 equals at least 4 seconds.
Because water on the road surface reduces friction and doubles overall stopping distance, the safety buffer must be doubled.

Anahtar Kavram

Adjusting safe following margins and time gaps in wet weather
Tahmini Süre:45s
Soru 546Soru →

You are driving along a rural main road during steady rainfall. In dry conditions, you would maintain a minimum two-second separation distance from the vehicle in front. What is the minimum time gap you should leave behind the vehicle in these wet conditions?

Cevabı ve açıklamayı göster

Cevap: At least four seconds

Cevap

At least four seconds
According to the Highway Code, stopping distances double on wet roads because water reduces tyre grip. To maintain an adequate safety margin, drivers must double the standard two-second separation rule to at least four seconds.

Adım Adım Çözüm

1
Identify the standard separation distance rule for dry road conditions.
Under normal dry conditions, drivers should maintain at least a two-second time gap behind the vehicle ahead.
The Highway Code establishes the two-second rule as the standard baseline for safe following distance on dry roads.
2
Determine the impact of rainfall on vehicle stopping distance.
Wet road surfaces reduce tyre grip and double the total braking distance required to stop safely.
Surface water reduces friction between the tyres and the road, increasing overall stopping distance.
3
Calculate the adjusted time gap needed for wet conditions.
Doubling the standard two-second gap results in a minimum separation gap of four seconds.
Doubling the time gap compensates directly for the doubled stopping distance in wet weather.

Anahtar Kavram

Adjusting following distances and time gaps in wet weather conditions
Tahmini Süre:1m 0s
Soru 547Soru →

Correctly adjusting your interior and exterior mirrors completely eliminates all blind spots around your vehicle.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False
Mirrors cannot show every angle around a vehicle. Areas outside your field of vision in the mirrors are called blind spots, and they can only be checked by looking directly over your shoulder.

Adım Adım Çözüm

1
Assess the coverage area of interior and exterior mirrors
Mirrors provide rearward and slight side visibility, but their fields of view do not overlap completely around the vehicle.
Optical reflection angles and vehicle bodywork naturally limit what mirrors can show.
2
Evaluate whether any mirror configuration can eliminate blind spots
Areas over the driver's shoulders and alongside the rear quarter panels remain invisible in mirrors, confirming blind spots always exist.
A physical glance over the shoulder is mandatory to cover these unseen areas before moving off or changing lanes.

Anahtar Kavram

Vehicle blind spots and mirror limitations
Tahmini Süre:30s
Soru 548Soru →

Match each UK road priority scenario or road layout to the correct driver action required by the Highway Code.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

Approaching an unmarked crossroads where multiple vehicles arrive simultaneously
Approaching a mini-roundabout when a vehicle is arriving from your immediate right
Preparing to turn into a side road where a pedestrian has started crossing
Approaching a road narrowing controlled by a circular sign with a red border showing a red left arrow and black right arrow

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Unmarked crossroads matches with recognising no vehicle has automatic right of way; mini-roundabout matches with giving way to the right; side road turn with crossing pedestrian matches with giving way to the pedestrian; road narrowing with circular red priority sign matches with giving way to oncoming traffic.
Each scenario correctly reflects official UK Highway Code rules: unmarked crossroads grant no automatic right of way to any party; roundabouts require yielding to traffic from the right; Rule H2 requires drivers turning into side roads to give way to crossing pedestrians; and circular red regulatory signs mandate yielding priority to oncoming vehicles at road narrowings.

Adım Adım Çözüm

1
Assess the unmarked crossroads scenario
Identify that unmarked junctions carry no statutory right of way for any user
The Highway Code establishes that no driver has automatic priority at junctions lacking signs or markings.
2
Apply roundabout priority rules to the mini-roundabout
Identify that priority must be given to traffic approaching from the right
Rule 185 mandates yielding to vehicles approaching from the right on roundabout approaches.
3
Evaluate pedestrian hierarchy at junction turns under Rule H2
Identify that turning vehicles must yield to crossing pedestrians
The Hierarchy of Road Users establishes pedestrian priority when vehicles turn into side roads.
4
Interpret regulatory priority traffic signs at traffic-calmed narrowings
Identify the mandatory duty to give way to oncoming traffic
Circular signs with red borders give orders that must be obeyed, requiring drivers to yield oncoming priority.

Anahtar Kavram

Correct application of Highway Code priority rules, regulatory signs, and the hierarchy of road users across varied UK road layouts.
Tahmini Süre:1m 30s
Soru 549Soru →

When driving a car towing a trailer on a motorway that has three or more lanes, you are legally permitted to use the outside (right-hand) lane to overtake slower traffic provided you do not exceed the 60 mph speed limit.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False
Under the UK Highway Code, drivers towing any trailer, caravan, or horsebox must not use the right-hand (outside) lane of a motorway with three or more lanes, unless directed to do so by traffic signs or during lane closures.

Adım Adım Çözüm

1
Identify the vehicle configuration and the road type.
A car towing a trailer travelling on a motorway with three or more lanes.
Specific statutory restrictions apply to towing combinations on multi-lane high-speed roads.
2
Recall UK Highway Code motorway lane restrictions for towing vehicles (Rule 265).
Vehicles towing trailers are banned from using the outside (right-hand) lane on motorways with three or more lanes under normal driving conditions.
This rule maintains lane discipline, prevents obstruction of faster overtaking traffic, and reduces collision risks associated with larger or heavier vehicle combinations.
3
Evaluate the accuracy of the statement.
The statement asserts that using the right-hand lane to overtake is permissible provided speed is maintained, which contradicts the legal prohibition.
Speed compliance does not override lane restriction regulations.

Anahtar Kavram

Motorway lane restrictions for vehicles towing trailers and caravans
Tahmini Süre:45s
Soru 550Soru →

You are driving in multi-lane traffic and intend to change lanes. You have checked your interior and exterior mirrors. Why must you also take a quick sideways glance over your shoulder before moving?

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Cevap: To check for other vehicles or vulnerable road users hidden in areas your mirrors cannot show

Cevap

To check for other vehicles or vulnerable road users hidden in areas your mirrors cannot show
Even properly adjusted interior and exterior mirrors cannot cover all angles around a vehicle. Blind spots exist alongside the vehicle's rear quarters and behind pillars. Taking a brief sideways glance over your shoulder allows you to check these hidden areas for other vehicles, motorcyclists, or cyclists before steering into another lane.

Adım Adım Çözüm

1
Assess the visual coverage of interior and exterior mirrors
Recognise that mirrors have limited angles of view and leave unmonitored blind spot zones alongside the vehicle's rear quarters.
Mirrors cannot reflect every angle around the car, especially areas obscured by body pillars or alongside the rear flanks.
2
Identify the purpose of taking a sideways glance (shoulder check)
Direct line-of-sight visual check confirms whether any road user, such as a motorcycle or car, is alongside in the blind spot.
A physical glance into the blind spot prevents side-swiping or cutting across another road user who is hidden from mirror view.

Anahtar Kavram

Navigating Vehicle Blind Spots and Pre-Manoeuvre Observation
Tahmini Süre:45s
Soru 551Soru →

A car travelling at 40 mph on a dry road has an average total stopping distance of 36 metres. According to the Highway Code, stopping distances in wet conditions are at least double those on dry surfaces. What is the minimum total stopping distance, in metres, that the driver should anticipate on a wet road at this speed?

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Cevap: 72

Cevap

72 metres
According to the Highway Code, wet road conditions reduce tyre grip, meaning overall stopping distances are at least double those on dry roads. For a car travelling at 40 mph with a dry stopping distance of 36 metres, the minimum stopping distance in wet weather is 36 × 2 = 72 metres.

Adım Adım Çözüm

1
Identify the standard total stopping distance on a dry road at 40 mph.
Dry stopping distance = 36 metres.
This establishes the baseline stopping distance before adjusting for wet weather.
2
Apply the wet weather multiplier defined in the Highway Code.
Wet weather multiplier = 2.
Reduced tyre grip on wet road surfaces increases stopping distances to at least double normal dry figures.
3
Multiply the dry stopping distance by the wet weather factor of 2.
36 metres × 2 = 72 metres.
Calculates the total minimum stopping distance expected in wet conditions.

Anahtar Kavram

Highway Code stopping distance adjustment in wet weather
Tahmini Süre:45s
Soru 552Soru →

You are driving along a two-way urban road where parked vehicles obstruct your side of the carriageway. Ahead, an oncoming Large Goods Vehicle (LGV) slows down and flashes its headlights at you, while a cyclist directly ahead of you begins to steer out around the parked cars. Which of the following actions should you take?

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Cevap: Hold back behind the parked vehicles to give the cyclist ample clearance to pass the obstruction and allow the oncoming large vehicle to clear the narrow section.

Cevap

Hold back behind the parked vehicles to provide the cyclist with adequate room to pass the obstruction safely and allow the oncoming large vehicle through.
Holding back behind the parked vehicles is the safest and correct action. Because the road obstruction is on your side of the carriageway, oncoming vehicles have priority. Furthermore, the Highway Code requires drivers to protect more vulnerable road users by giving cyclists sufficient time and space (at least 1.5 metres) to clear obstructions safely. Flashed headlights must never be interpreted as an official invitation or guarantee that the road is clear.

Adım Adım Çözüm

1
Assess road priority and existing physical hazards
Recognise that the physical obstruction is on your side of the carriageway, meaning oncoming traffic naturally has priority.
When your lane is blocked by parked cars, you must yield to oncoming traffic unless road markings or signs dictate otherwise.
2
Evaluate the signal from the oncoming driver
Do not assume the flashed headlights are an invitation or guarantee of safety to proceed.
Highway Code Rule 110 states that flashing headlights should only be used to let others know you are there. Other drivers may flash without being aware of other road users.
3
Apply the hierarchy of road users and maintain safety margins
Give precedence to the cyclist ahead by waiting behind the parked cars until both the cyclist and the oncoming LGV have safely passed.
Cyclists are vulnerable road users and need ample space to navigate around parked obstacles without being pressured or endangered by following vehicles.

Anahtar Kavram

Priority at road narrowings, correct interpretation of headlight flashes, and duty of care towards vulnerable road users under the Highway Code hierarchy.
Tahmini Süre:1m 15s
Soru 553Soru →

What is the main advantage of an anti-lock braking system (ABS) during heavy or emergency braking?

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Cevap: It allows the driver to maintain steering control while braking

Cevap

The main advantage is that it allows the driver to maintain steering control while braking.
The main benefit of an anti-lock braking system (ABS) is that it prevents the vehicle's wheels from locking under heavy braking. When wheels continue to rotate, the tyres maintain grip with the road surface, allowing the driver to steer the vehicle safely around obstacles while slowing down.

Adım Adım Çözüm

1
Identify the primary mechanical function of an anti-lock braking system (ABS).
ABS prevents the road wheels from locking up under harsh or emergency braking by rapidly modulating brake pressure.
When wheels lock and slide, steering control is completely lost because sliding tyres cannot generate lateral steering forces.
2
Determine the principal driving benefit of preventing wheel lockup.
Because the wheels continue to rotate, the driver retains the ability to steer the vehicle around potential hazards while slowing down.
Steering control during emergency braking is the primary design purpose and safety benefit of ABS.

Anahtar Kavram

The primary function and safety benefit of an anti-lock braking system (ABS) is maintaining directional steering control under severe braking.
Tahmini Süre:45s
Soru 554Soru →

You are approaching an unmarked crossroads where there are no traffic signs or road markings. How should you approach the junction regarding priority?

Cevabı ve açıklamayı göster

Cevap: Slow down, prepare to stop, and proceed with caution as no one has automatic priority

Cevap

Slow down, prepare to stop, and proceed with caution as no one has automatic priority.
At an unmarked crossroads where there are no traffic lights, road signs, or road markings, no vehicle has priority. Drivers must reduce their speed, approach with caution, look carefully in all directions, and be prepared to stop.

Adım Adım Çözüm

1
Identify the junction type and road layout
Recognise that the junction is an unmarked crossroads without road signs, signals, or give-way markings
Road layouts and regulatory controls determine priority rules under the Highway Code
2
Apply Highway Code principles for uncontrolled junctions
Understand that no vehicle or driver holds an automatic right of way
Defensive driving requires anticipating that vehicles approaching from any direction may emerge
3
Determine the safe driving response
Reduce speed, scan all approaches, prepare to stop, and proceed only when clear
Ensures mutual road safety without making false assumptions about other drivers yielding

Anahtar Kavram

Unmarked crossroads priority and defensive road attitude
Tahmini Süre:45s
Soru 555Soru →

You are driving a car at 40 mph40\text{ mph} along a single carriageway during persistent rain. According to The Highway Code, what is the typical minimum overall stopping distance required under these conditions?

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Cevap: 72 metres (240 feet)

Cevap

72 metres (240 feet)
Under dry conditions at 40 mph40\text{ mph}, a car has a thinking distance of 12 metres12\text{ metres} (40 feet40\text{ feet}) and a braking distance of 24 metres24\text{ metres} (80 feet80\text{ feet}), totaling 36 metres36\text{ metres} (120 feet120\text{ feet}). Because wet road surfaces reduce tyre friction and significantly impair braking efficiency, The Highway Code states that overall stopping distances in wet conditions are at least double those in dry conditions: 36 m×2=72 metres36\text{ m} \times 2 = 72\text{ metres} (240 feet240\text{ feet}).

Adım Adım Çözüm

1
Determine the baseline stopping distance at 40 mph40\text{ mph} under normal, dry conditions.
Thinking distance is 12 metres12\text{ metres} (40 feet40\text{ feet}) and braking distance is 24 metres24\text{ metres} (80 feet80\text{ feet}), giving a total dry stopping distance of 36 metres36\text{ metres} (120 feet120\text{ feet}).
Official Highway Code calculations split total stopping distance into thinking distance and braking distance.
2
Apply the environmental multiplier for wet weather conditions.
36 metres×2=72 metres36\text{ metres} \times 2 = 72\text{ metres} (120 feet×2=240 feet120\text{ feet} \times 2 = 240\text{ feet}).
The Highway Code explicitly states that stopping distances in wet weather are at least double those on dry roads due to reduced tyre grip and increased risk of skidding.

Anahtar Kavram

Highway Code stopping distances at speed and the doubling rule in wet conditions
Tahmini Süre:1m 0s
Soru 556Öğrencilerin %100'i bunu doğru yanıtladıSoru →

Fitting an electronic or friction stabiliser to your towing hitch allows you to drive at the standard 70 mph national speed limit on a motorway.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. The maximum legal speed limit for towing on a motorway remains 60 mph even when a stabiliser is fitted.
The statement is false because the statutory maximum speed limit for any car towing a trailer or caravan on a motorway is 60 mph. While a stabiliser aids stability by reducing side-to-side snaking, it never overrides legal speed limits.

Adım Adım Çözüm

1
Identify the statutory speed limit for cars towing trailers or caravans on UK motorways.
The national legal limit for a vehicle combination towing a trailer on a motorway is 60 mph.
The Highway Code sets lower speed limits for towing vehicles to account for increased momentum, longer stopping distances, and handling challenges.
2
Determine whether towing stability equipment alters statutory speed limits.
Stabilisers help dampen sway and reduce snaking caused by crosswinds or passing heavy vehicles, but they do not alter traffic law.
Safety devices improve vehicle handling dynamics but provide no legal exemption from national speed regulations.

Anahtar Kavram

Towing speed limits and stabiliser function
Tahmini Süre:45s
Soru 557Soru →

Arrange the stages in order to show how an anti-lock braking system (ABS) operates during emergency braking, from initial driver action to the vehicle coming to a stop.

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

1. The driver applies firm, continuous pressure to the footbrake pedal. 2. Wheel speed sensors detect that one or more wheels are about to lock up. 3. The electronic control unit rapidly modulates hydraulic brake pressure. 4. The wheels continue to rotate, allowing the driver to maintain steering control.
During emergency braking, the driver applies firm, continuous pressure to the brake pedal. When wheel speed sensors detect that wheels are about to lock up, the electronic control unit rapidly modulates hydraulic brake pressure. This prevents the tyres from locking and skidding, allowing the wheels to continue turning so that steering control is maintained throughout the stop.

Adım Adım Çözüm

1
Identify the initial driver action in an emergency braking scenario.
The driver presses the footbrake pedal firmly and continuously without releasing.
ABS requires sustained brake pedal application from the driver to function effectively.
2
Identify how the system recognizes a loss of traction.
Wheel sensors monitor rotational speed and detect when a wheel decelerates rapidly towards lock-up.
Sensor feedback is required to trigger automated pressure regulation before a full skid begins.
3
Identify the automated mechanical response of the ABS.
Valves in the ABS unit rapidly release and re-apply hydraulic fluid pressure to the brake calipers.
Modulating pressure multiple times per second keeps tyre grip near the threshold of maximum friction.
4
Identify the resulting safety benefit for vehicle handling.
The vehicle decelerates while the turning wheels preserve lateral grip for steering.
Locked wheels cannot steer; maintaining wheel rotation ensures the driver can navigate around hazards.

Anahtar Kavram

Sequence of ABS Operation and Steering Retention
Tahmini Süre:45s
Soru 558Soru →

A vehicle is travelling at a constant speed of 70 mph on a motorway during rainfall with surface water present. Under standard dry conditions at this speed, the Highway Code establishes a thinking distance of 21 metres and a braking distance of 75 metres. In wet conditions, the distance required to brake to a complete stop doubles, while driver reaction time and thinking distance remain unchanged. What is the total stopping distance, in metres, required for the vehicle to stop safely under these wet conditions?

Cevabı ve açıklamayı göster

Cevap: 171

Cevap

171 metres
Under wet road conditions, tyre friction is significantly diminished, which doubles the distance covered once the brakes are applied from 75 metres to 150 metres. Because the vehicle's speed is unchanged and driver reaction time remains standard, thinking distance remains 21 metres. Combining the 21 metres of thinking distance with the 150 metres of wet braking distance results in a total stopping distance of 171 metres.

Adım Adım Çözüm

1
Identify the thinking distance and dry braking distance at 70 mph
Thinking distance = 21 metres; Dry braking distance = 75 metres
Total stopping distance is comprised of thinking distance plus braking distance.
2
Calculate the wet braking distance by multiplying the dry braking distance by 2
75 m×2=150 metres75\text{ m} \times 2 = 150\text{ metres}
Wet road surfaces reduce tyre grip and friction, causing the braking distance to double.
3
Sum the unchanged thinking distance and the new wet braking distance
21 m+150 m=171 metres21\text{ m} + 150\text{ m} = 171\text{ metres}
Thinking distance is determined by human perception and reaction time at a given speed and does not change due to wet road conditions.

Anahtar Kavram

In wet weather, braking distance doubles due to reduced tyre friction, while thinking distance remains unaffected at the same speed.
Tahmini Süre:1m 30s
Soru 559Soru →

You intend to change lanes in flowing traffic. What is the main reason for looking over your shoulder to check your blind spot?

Cevabı ve açıklamayı göster

Cevap: To check for any vehicles or vulnerable road users hidden from mirror view

Cevap

To check for any vehicles or vulnerable road users hidden from mirror view
Vehicle blind spots are areas around the vehicle that cannot be seen directly in either the interior rear-view mirror or the exterior door mirrors. Performing a physical check over the appropriate shoulder before changing lanes ensures that any road users, especially vulnerable ones like motorcyclists or cyclists travelling alongside, are spotted before beginning the manoeuvre.

Adım Adım Çözüm

1
Identify the optical limitations of vehicle mirrors
Recognise that interior and exterior door mirrors cannot provide a 360-degree view around the vehicle.
Areas to the side and slightly behind the driver fall outside mirror coverage zones.
2
Determine the safety function of a physical shoulder check
Understand that looking over the shoulder reveals any road users travelling alongside in these uncovered areas.
Motorcyclists, cyclists, and small cars can easily be completely concealed within vehicle blind spots.

Anahtar Kavram

Understanding that vehicle mirrors do not eliminate all blind spots and direct observation is required before changing lanes
Soru 560Soru →

When coupling a trailer fitted with brakes to your car, you must securely attach the breakaway cable to the towing vehicle. What is the primary purpose of this safety cable?

Cevabı ve açıklamayı göster

Cevap: To automatically apply the trailer's brakes if it becomes detached from the car

Cevap

To automatically apply the trailer's brakes if it becomes detached from the car
A breakaway cable is an essential secondary safety connection on braked trailers and caravans. If the main tow hitch separates from the towball while moving, the cable pulls the trailer handbrake lever to stop the trailer safely before snapping away.

Adım Adım Çözüm

1
Identify the standard safety equipment fitted to braked trailers and caravans.
A breakaway cable is connected between the towing vehicle chassis/towbar and the trailer parking brake mechanism.
Trailers with an overrun braking system require a fail-safe device to protect other road users.
2
Determine the mechanical function of the cable in the event of an accidental detachment.
If the trailer separates from the towball, the cable tightens, activates the trailer handbrake, and then snaps, bringing the runaway trailer to a halt.
This prevents an unguided, free-rolling trailer from continuing down the road.

Anahtar Kavram

Breakaway cable purpose and trailer safety coupling
Tahmini Süre:45s
ÖncekiSayfa 28 / 95Sonraki
Tüm alıştırma soruları — UK Driving Theory Test | Examkin