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Tüm alıştırma soruları

1884 soru

Tüm türler1,884Çoktan seçmeli962Çoklu seçim84Doğru / Yanlış379Sayısal32Eşleştirme249Sıralama178
Soru 1221Soru →

You spent the previous evening celebrating with friends and consumed several alcoholic drinks until late at night. You wake up early the next morning feeling refreshed and alert. Why might it still be unsafe and illegal for you to drive to work?

Cevabı ve açıklamayı göster

Cevap: Alcohol is eliminated from your body slowly, so your blood alcohol level may still be over the legal limit

Cevap

Alcohol is eliminated from your body slowly, so your blood alcohol level may still be over the legal limit.
Alcohol is processed and removed from the body by the liver at a steady rate of approximately one unit per hour, and nothing can speed up this natural process. Following heavy drinking late into the night, high concentrations of alcohol often remain in the bloodstream well into the next morning or afternoon, leaving the driver legally impaired and over the statutory limit despite feeling awake.

Adım Adım Çözüm

1
Evaluate the metabolic rate of alcohol elimination versus sleep duration.
Recognise that sleep, coffee, or cold showers do not accelerate liver metabolism; alcohol leaves the body at roughly one unit per hour.
Feeling refreshed the morning after a late night of drinking is deceptive because subjective alertness does not mean alcohol has cleared from the bloodstream.
2
Determine the primary road safety risk and legal violation.
The driver's blood alcohol concentration may still exceed the legal limit, impairing judgment and risking prosecution for drink driving.
UK law strictly penalises driving with excess alcohol in breath, blood, or urine regardless of whether the driver feels sober.

Anahtar Kavram

Residual alcohol and metabolic clearance time
Tahmini Süre:1m 0s
Soru 1222Soru →

A Large Goods Vehicle (LGV) fitted with a mandatory speed limiter cannot exceed its set maximum speed of 56 mph (90 km/h) while travelling down a steep downhill gradient.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False
Mandatory speed limiters fitted to Large Goods Vehicles operate by restricting the fuel supply to the engine once the vehicle reaches 56 mph (90 km/h). Since the limiter does not activate the braking system, the immense mass and momentum of an LGV travelling down a steep hill can cause it to exceed 56 mph unless the driver uses auxiliary retarders, lower gears, or the service footbrake.

Adım Adım Çözüm

1
Identify the operating mechanism of mandatory LGV speed limiters.
Speed limiters regulate vehicle speed solely by cutting or restricting fuel flow to the engine when the vehicle reaches 56 mph (90 km/h).
Understanding how the device controls speed is necessary to evaluate its limitations under different road conditions.
2
Analyse the forces acting on a heavy vehicle descending a steep gradient.
Gravitational force and vehicle momentum accelerate the vehicle downhill without requiring engine power.
Because speed limiters do not autonomously engage the vehicle's mechanical brakes, gravity can continue to increase the vehicle's road speed.
3
Assess the validity of the statement.
An LGV can exceed 56 mph on a descent unless the driver manually intervenes with braking systems.
The statement asserts that the vehicle cannot exceed the limit under any circumstances on a descent, which is incorrect.

Anahtar Kavram

Mechanical operation of LGV speed limiters and downhill gravitational acceleration
Tahmini Süre:45s
Soru 1223Soru →

You are driving on a road marked with double white lines where the line closest to you is solid. Ahead of you, a cyclist is travelling at approximately 8 mph. If the road ahead is clear, what are you permitted to do?

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Cevap: Cross the solid white line to overtake the cyclist, provided it is safe and you give sufficient clearance

Cevap

Cross the solid white line to overtake the cyclist, provided it is safe and you give sufficient clearance
Under Highway Code Rule 129, drivers must not cross or straddle a double white line where the line nearest to them is solid, except under specific circumstances. One recognized exception allows crossing the line to pass a pedal cycle, horse rider, or road maintenance vehicle travelling at 10 mph (16 km/h) or less, provided the road ahead is clear and safe, and at least 1.5 metres of passing clearance is given.

Adım Adım Çözüm

1
Assess the speed of the cyclist and road markings
The cyclist is travelling at 8 mph on a road with a solid white line nearest to your vehicle.
Highway Code Rule 129 permits crossing a solid white line to overtake a pedal cycle, horse rider, or road maintenance vehicle travelling at 10 mph or less.
2
Verify oncoming road visibility and perform observation checks before overtaking
A safe gap in traffic allows completing the manoeuvre while providing at least 1.5 metres of clearance.
Drivers must always provide adequate lateral clearance (at least 1.5 metres up to 30 mph) and ensure the road ahead is completely clear.

Anahtar Kavram

Highway Code Rule 129 exception for overtaking pedal cycles across solid white lines
Tahmini Süre:45s
Soru 1224Soru →

Match the following powered wheelchair and mobility scooter scenarios with their correct Highway Code regulations.

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

A mobility scooter being operated by a 12-year-old child.
A mobility scooter travelling on a dual carriageway.
The minimum eyesight requirement for operating a Class 3 mobility scooter.
A Class 3 mobility scooter transitioning from the road to a pedestrian pavement.

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

The 12-year-old child matches with the Class 2 restriction. The dual carriageway matches with the flashing amber beacon requirement. The eyesight requirement matches with reading a plate from 12.3 metres. The transition to pavement matches with the 4 mph speed switch restriction.
Each scenario maps to a unique, strict Highway Code regulation for mobility scooters: age minimums (14 for Class 3), mandatory beacons on dual carriageways, modified eyesight standards (12.3 metres), and mechanical speed limiters for pavement use.

Adım Adım Çözüm

1
Evaluate the age restriction scenario.
A 12-year-old cannot operate a Class 3 scooter.
The Highway Code sets the minimum age for Class 3 invalid carriages at 14 years old, meaning younger users are restricted to Class 2 vehicles.
2
Analyze the dual carriageway scenario.
Requires a flashing amber beacon.
While Class 3 vehicles can use dual carriageways, they must deploy a flashing amber beacon for visibility to high-speed traffic.
3
Identify the visual acuity rule.
Requires reading a plate from 12.3 metres.
The specific legal eyesight standard for Class 3 mobility scooters is 12.3 metres (40 feet), which is shorter than the standard car requirement.
4
Apply the speed limit rule for pavements.
Must engage the 4 mph limit switch.
Class 3 scooters have a road speed of 8 mph but must use a built-in switch to limit their speed to 4 mph when returning to pedestrian pavements.

Anahtar Kavram

Highway Code regulations governing the classifications, age limits, speed restrictions, and legal requirements for powered wheelchairs and mobility scooters.
Soru 1225Soru →

Drinking strong black coffee or taking a cold shower will significantly speed up the rate at which your liver removes alcohol from your bloodstream.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. Alcohol is eliminated from the body at a fixed metabolic rate that cannot be accelerated by home remedies.
The correct answer is False because alcohol is metabolised by the liver at a constant rate that cannot be hastened. Neither drinking black coffee, taking cold showers, exercising, nor drinking large amounts of water reduces blood alcohol concentration or restores driving faculties faster.

Adım Adım Çözüm

1
Evaluate the physiological process of alcohol elimination in the human body.
Alcohol is processed almost entirely by the liver at a steady rate of approximately one unit per hour for an average adult.
Understanding the biological mechanism clarifies that metabolic rate is strictly limited by liver enzyme capacity.
2
Assess the effect of common remedies such as coffee, cold showers, or exercise on blood alcohol concentration.
These remedies may increase subjective alertness or adrenaline, but they do not alter chemical oxidation in the liver or lower blood alcohol levels.
Differentiating subjective feeling from objective physical impairment prevents dangerous driving decisions.
3
Determine the truth value of the statement based on UK road safety principles.
The statement is definitively false.
Official DVSA driving guidance and road traffic laws state that only time removes alcohol from the body.

Anahtar Kavram

Alcohol elimination from the bloodstream is strictly time-dependent and cannot be accelerated by stimulants or cold water.
Tahmini Süre:45s
Soru 1226Soru →

When approaching the brow of a hill where forward visibility is restricted, a driver should keep to the left-hand side of the carriageway and avoid attempting to overtake.

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Cevap: True

Cevap

The statement is true. Drivers approaching a blind brow must remain to the left of their lane and refrain from overtaking.
A blind crest or brow of a hill is a static hazard that restricts view of the road ahead. Keeping well to the left and holding back from overtaking ensures a safe buffer against oncoming vehicles that may appear suddenly over the summit.

Adım Adım Çözüm

1
Identify the static hazard and its impact on driving conditions.
The brow of a hill creates a physical barrier that restricts forward vision and hides oncoming traffic.
Recognising static terrain features allows drivers to anticipate hidden hazards before reaching them.
2
Apply safe driving principles according to the UK Highway Code.
Maintain a road position well to the left and do not attempt to overtake any vehicles.
Highway Code Rule 166 states drivers must not overtake where visibility is restricted, including the approach to the brow of a hill or hump bridge.

Anahtar Kavram

Defensive positioning and overtaking restrictions when approaching a blind brow of a hill
Tahmini Süre:45s
Soru 1227Soru →

You experience engine trouble on a motorway and pull over onto the hard shoulder. In what sequence should you and your passengers complete these essential safety steps?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

1. Stop as far left as possible with wheels turned left and activate hazard lights; 2. Exit via left-hand doors; 3. Move behind the safety barrier onto the verge; 4. Walk to the nearest emergency roadside phone to call for assistance.
The correct sequence prioritises vehicle positioning and conspicuity first, evacuation through the safer left-hand doors second, moving behind the protective crash barrier third, and calling for recovery via the roadside emergency telephone once everyone is safe.

Adım Adım Çözüm

1
Secure and illuminate the stationary vehicle on the far left edge of the hard shoulder.
The car is positioned away from the live carriageway and made conspicuous to approaching motorists.
Immediate illumination and correct wheel positioning mitigate the risk of severe secondary collisions.
2
Instruct all occupants to leave the car via the doors facing away from traffic.
Passengers step directly onto the hard shoulder verge side without being exposed to moving vehicles.
Opening right-hand doors next to high-speed traffic carries extreme risk of injury.
3
Direct all occupants to stand behind the metal crash barrier on the raised embankment.
Everyone is sheltered in the designated safety zone away from the carriageway.
Remaining inside a vehicle on the hard shoulder is dangerous because stationary vehicles are frequently struck.
4
Locate and use the free roadside SOS telephone following the marker post directions.
Emergency operators receive the exact location and dispatch highway assistance.
Roadside emergency phones provide the precise geographical reference point to motorway control centres.

Anahtar Kavram

Highway Code protocol for stopping and managing a breakdown safely on a motorway hard shoulder
Tahmini Süre:45s
Soru 1228Soru →

Applying firm footbrake pressure during a rear-wheel skid (oversteer) increases vehicle stability by transferring dynamic weight onto the rear tyres to enhance their grip.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. Applying the footbrake unloads the rear axle through forward dynamic weight transfer, which decreases rear tyre traction and severely worsens an oversteer skid.
The statement is false because applying the footbrake initiates forward dynamic weight transfer, which relieves pressure from the rear wheels and reduces their available grip. Demanding longitudinal braking force from tyres that are already sliding laterally overloads their friction limit and worsens the skid.

Adım Adım Çözüm

1
Analyse the effect of braking on dynamic vehicle weight distribution.
Braking decelerates the vehicle, causing forward pitch and transferring vertical load from the rear axle to the front axle.
Inertial forces shift the centre of dynamic mass forward during deceleration.
2
Evaluate the impact of axle unloading on tyre adhesion limits.
The rear tyres experience a substantial decrease in normal force (contact pressure), reducing their maximum available lateral grip.
Tyre friction limit is directly proportional to the vertical load acting on the contact patch.
3
Determine vehicle yaw behavior during the skid.
The unweighted rear tyres lose remaining lateral grip, causing the rear of the car to swing out further into a violent spin.
Adding braking torque consumes traction on tyres that have already exceeded their lateral grip threshold.

Anahtar Kavram

Dynamic weight transfer and tyre adhesion limits during oversteer skid recovery
Tahmini Süre:1m 0s
Soru 1229Soru →

After resolving an emergency stop on a motorway hard shoulder, you are preparing to resume your journey. How should you safely rejoin the active carriageway?

Cevabı ve açıklamayı göster

Cevap: Build up speed along the hard shoulder to match the flow of traffic in the left-hand lane before merging safely into an open gap

Cevap

Build up speed along the hard shoulder to match the flow of traffic in the left-hand lane before merging safely into an open gap
Under Rule 274 of the UK Highway Code, when rejoining the carriageway from the hard shoulder, you should build up speed on the hard shoulder itself. This allows you to match the speed of vehicles in the left-hand lane, look for a safe gap in the traffic, and signal your intention to merge without disrupting the flow of traffic or forcing other drivers to brake.

Adım Adım Çözüm

1
Check ahead along the hard shoulder for any obstructions or stationary breakdown vehicles
Clear path confirmed along the hard shoulder for acceleration
You need sufficient clear space on the hard shoulder to gain appropriate driving speed before attempting to merge
2
Accelerate along the hard shoulder while scanning mirrors and blind spots for a safe gap in lane 1
Vehicle speed matches the prevailing speed of moving traffic in the left-hand lane
Matching vehicle speed prevents forcing live lane traffic to brake or swerve abruptly
3
Indicate right and smoothly steer across the solid white line into the identified gap in traffic
Safe integration into the motorway flow
Proper signalling and smooth lane positioning complete the rejoining procedure in compliance with Highway Code Rule 274

Anahtar Kavram

Highway Code Rule 274: Building speed on the hard shoulder before rejoining motorway traffic
Tahmini Süre:1m 0s
Soru 1230Soru →

If a doctor prescribes a medication that carries a warning about possible drowsiness, you are permitted to drive as long as you feel completely alert before setting off.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False - You must not drive after taking prescribed medication that may cause drowsiness, even if you feel alert, unless a medical professional has confirmed it is safe.
The correct answer is False. According to The Highway Code and UK road traffic regulations, you must not drive if you have taken medication with warnings about drowsiness or impairment. You cannot rely on how alert you feel when setting off, as medication can degrade hazard perception and reaction times imperceptibly or cause sudden drowsiness once driving.

Adım Adım Çözüm

1
Identify the scenario condition regarding prescribed medication with a drowsiness warning.
The scenario describes a medication that carries an explicit medical warning of drowsiness, but the driver relies on personal, subjective alertness.
Recognising that drowsiness warnings signal potential impairment to reaction time, coordination, and judgment.
2
Apply UK road safety rules and The Highway Code guidance regarding medication.
The Highway Code states that drivers must check with their doctor or pharmacist before driving if they are taking medication that can cause drowsiness.
Subjective feelings of alertness are unreliable because drug-induced impairment can degrade cognitive processing without overt tiredness or cause sudden fatigue during the journey.
3
Determine whether the statement is true or false.
The statement asserts that self-assessed alertness permits driving despite a drowsiness warning, which is incorrect.
Therefore, the statement is false.

Anahtar Kavram

Prescription Medication Impairment and Driving Safety
Tahmini Süre:45s
Soru 1231Soru →

After safely resolving a minor mechanical problem while stopped on the hard shoulder of a motorway, what is the correct procedure for rejoining the live carriageway?

Cevabı ve açıklamayı göster

Cevap: Build up speed along the hard shoulder, indicate, and merge smoothly into a safe gap in the left-hand lane

Cevap

Build up speed along the hard shoulder, indicate, and merge smoothly into a safe gap in the left-hand lane.
According to the Highway Code (Rule 274), when rejoining the motorway from the hard shoulder you must build up speed on the hard shoulder itself, look for a safe gap in the traffic in the left-hand lane, signal your intention, and then merge smoothly when it is safe to do so.

Adım Adım Çözüm

1
Check mirrors and blind spots carefully while stationary on the hard shoulder
Identify approaching vehicles and assess traffic flow in the left-hand lane (lane 1)
Ensures awareness of approaching traffic before moving off
2
Accelerate along the hard shoulder while signalling right
Vehicle reaches a speed comparable to traffic in the live lane
Prevents dangerous speed differentials when joining high-speed motorway traffic
3
Merge into a suitable gap in lane 1 and cancel the indicator
Vehicle safely integrated into the normal flow of motorway traffic
Complies with UK Highway Code Rule 274 for safe motorway rejoining

Anahtar Kavram

Safely rejoining the motorway carriageway from the hard shoulder
Tahmini Süre:45s
Soru 1232Soru →

A white cane fitted with red reflective bands indicates that the pedestrian carrying it is both deaf and blind.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True
The statement is true because Rule 207 of the UK Highway Code explicitly states that a person carrying a white cane with a red band (or walking with a dog wearing a red and white checked harness) is both deaf and blind. Drivers should be aware that these pedestrians may not be aware of approaching traffic.

Adım Adım Çözüm

1
Identify the distinctive features of the pedestrian's mobility aid described in the statement.
The cane is white with red reflective bands.
Different colour combinations on canes and harnesses indicate specific sensory impairments under the UK Highway Code.
2
Recall Highway Code Rule 207 regarding vulnerable road users with sensory disabilities.
A plain white cane indicates visual impairment, whereas red bands indicate deafblindness (combined visual and hearing loss).
Understanding this distinction helps drivers anticipate that the pedestrian cannot hear horn warnings, engine noise, or see visual signals.
3
Evaluate the truth value of the statement.
The statement is True.
The statement accurately reflects official Highway Code rules regarding deafblind pedestrians.

Anahtar Kavram

Recognising visual and hearing impairments in pedestrians via distinctive canes and harnesses
Tahmini Süre:45s
Soru 1233Soru →

On an exposed dual carriageway in wet conditions, you intend to overtake a long articulated lorry that is throwing up heavy spray. What safety precaution should you take when executing this manoeuvre?

Cevabı ve açıklamayı göster

Cevap: Drop well back to expand your forward view and stay clear of spray before pulling out to pass

Cevap

Drop well back to expand your forward view and stay clear of spray before pulling out to pass
Dropping well back before initiating an overtake around a Large Goods Vehicle (LGV) in wet weather is vital because it moves your vehicle out of the dense spray plume, keeps you visible in the lorry's exterior side mirrors, and gives you a much wider forward angle to see whether the overtaking lane and road ahead are completely clear.

Adım Adım Çözüm

1
Assess the hazards associated with following and overtaking large goods vehicles in the rain
Identify that large articulated lorries generate dense tyre spray, possess extensive blind spots, and drastically block forward vision.
Overtaking safely requires adequate forward visibility and clear perception of hazards in both lanes.
2
Determine the correct following distance and road positioning before pulling out
Increase separation distance to at least double the normal dry-weather gap (four seconds or more).
Dropping well back allows you to see around the trailer, keeps your windscreen out of the direct plume of spray, and ensures your vehicle remains visible in the lorry's exterior mirrors.
3
Execute the overtake with proper speed management, wiper settings, and safe re-entry spacing
Move smoothly into the overtaking lane with wipers set to high speed, maintain a steady pass, and only return to the left lane once the entire front cab is clearly visible in your interior rear-view mirror.
Cutting in too early encroaches on the lorry's blind spot and compromises the heavy vehicle's extended stopping distance in the wet.

Anahtar Kavram

Safe following separation, visibility management, and blind-spot avoidance when overtaking large goods vehicles in adverse weather
Tahmini Süre:1m 0s
Soru 1234Soru →

You are driving along an unlit country road at night when an oncoming vehicle approaches with its full-beam headlights on, causing you to be dazzled. What should you do?

Cevabı ve açıklamayı göster

Cevap: Slow down or stop safely, and look towards the left-hand verge of the road

Cevap

Slow down or stop safely, and look towards the left-hand verge of the road
According to the Highway Code, if you are dazzled by oncoming headlights, you must slow down or pull over and stop if you cannot see clearly. Diverting your gaze towards the left-hand pavement or verge helps maintain lane positioning while shielding your eyes from direct glare.

Adım Adım Çözüm

1
Assess the loss of visibility caused by oncoming full-beam headlights
Recognise that your forward sight distance is temporarily compromised by glare
Bright headlights can temporarily blind you and hide pedestrian or edge-of-road hazards
2
Reduce vehicle speed smoothly and avert your direct gaze towards the near kerb or left-hand verge
Maintained vehicle positioning and reduced stopping distance until vision recovers
Looking toward the left edge prevents direct pupil constriction from the oncoming beams while keeping you on course

Anahtar Kavram

Dealing with dazzle and controlling speed during night driving
Tahmini Süre:45s
Soru 1235Soru →

You have purchased an over-the-counter remedy from a pharmacy to treat cold symptoms before undertaking an essential journey. What must you do to ensure that the medication will not make your driving unsafe?

Cevabı ve açıklamayı göster

Cevap: Check the packaging and patient information leaflet for warnings about drowsiness and consult a healthcare professional if unsure.

Cevap

Check the packaging and patient information leaflet for warnings about drowsiness and consult a healthcare professional if unsure.
Before driving after taking any medicine, drivers must read the packaging and patient information leaflet to check for warnings regarding drowsiness, dizziness, or impaired coordination. If there is any doubt about the medicine's effects, a pharmacist or doctor must be consulted, and the individual must not drive if impaired.

Adım Adım Çözüm

1
Identify the risk associated with non-prescription cold remedies.
Many common over-the-counter medicines cause drowsiness, slower reactions, and impaired judgment.
Drivers must be aware that legal, non-prescription medicines can impair driving ability just as severely as illegal substances.
2
Determine the driver's legal and safety obligation before driving.
Inspect the medicine box and accompanying patient information leaflet for driving warnings, and consult a pharmacist or doctor if any uncertainty remains.
The driver is legally responsible for ensuring they are fit to drive and not impaired by any substance.

Anahtar Kavram

Evaluating over-the-counter medicine warnings and driver fitness before journey commencement
Tahmini Süre:1m 0s
Soru 1236Soru →

When traffic has queued on the approach to a zebra crossing, a motorcyclist filtering between lines of vehicles is legally permitted to overtake the leading stationary vehicle that has stopped to allow pedestrians to cross.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. Motorcyclists filtering through queued traffic are strictly prohibited from overtaking the lead stationary vehicle that has stopped to allow pedestrians to cross at a pedestrian crossing.
The statement is false because Highway Code Rule 191 explicitly states that road users MUST NOT overtake the moving vehicle nearest the crossing, or the vehicle nearest the crossing which has stopped to give way to pedestrians. This mandatory rule applies equally to motorcyclists and cyclists filtering through queues.

Adım Adım Çözüm

1
Identify the driving scenario and the specific road layout rules.
The scenario involves queued traffic approaching a zebra crossing with a lead vehicle stopped to allow pedestrians to cross.
Zebra crossings and their controlled zig-zag areas are governed by strict legal passing restrictions.
2
Evaluate the legal boundaries of motorcycle filtering against pedestrian crossing regulations.
While filtering through slow queues is generally permitted, Highway Code Rule 191 strictly prohibits overtaking the vehicle nearest to a crossing that has stopped to give way.
Overtaking the lead vehicle at a crossing creates an extreme collision risk with pedestrians obscured by the stationary queue.
3
Determine the validity of the statement.
The statement asserts that filtering motorcyclists are legally permitted to overtake the lead vehicle, which directly contradicts Rule 191.
The assertion is legally false.

Anahtar Kavram

Motorcycle filtering restrictions and pedestrian crossing safety rules
Tahmini Süre:45s
Soru 1237Soru →

When joining a motorway from a slip road, you must give priority to traffic already travelling on the main carriageway.

Cevabı ve açıklamayı göster

Cevap: True

Cevap

True
Vehicles already travelling on the main carriageway have right of way. Drivers joining via the slip road must assess traffic flow, match speed, and safely merge into an existing gap without forcing other road users to brake or swerve.

Adım Adım Çözüm

1
Identify the statutory priority rules under Highway Code Rule 259 when entering a motorway from an access slip road.
Highway Code Rule 259 explicitly states that joining traffic must give priority to vehicles already on the motorway.
Maintaining existing traffic flow on high-speed carriageways is essential to prevent sudden braking and collisions.
2
Evaluate the statement against the legal requirement.
The statement correctly reflects the duty of the joining driver to give way to main carriageway traffic.
Joining drivers must adjust their speed and position to merge smoothly rather than expecting existing motorway traffic to yield.

Anahtar Kavram

Priority and give-way obligations when merging from a motorway slip road
Tahmini Süre:30s
Soru 1238Soru →

You have just entered a motorway exit slip road and immediately realise it is the wrong junction. It is legally permissible to cross the chevron-marked area bordered by a solid white line to rejoin the main carriageway, provided that you check your mirrors and ensure the left-hand lane of the motorway is entirely free of approaching traffic.

Cevabı ve açıklamayı göster

Cevap: False

Cevap

False. It is never legally permissible to cross a solid white line separating a slip road from the main carriageway to correct a navigational error, regardless of traffic conditions.
The statement is false because the Highway Code explicitly prohibits entering an area marked with chevrons and bordered by a solid white line, except in an emergency. Realising you have taken the wrong exit is a navigational mistake and requires you to continue to the next junction.

Adım Adım Çözüm

1
Identify the specific road markings described in the scenario.
The scenario describes a chevron-marked area bordered by a solid white line between the slip road and the main carriageway.
Different types of road markings carry different legal weight in the Highway Code.
2
Recall the legal rule regarding solid white lines bordering hatched areas.
The Highway Code explicitly states that drivers MUST NOT enter these areas except in a genuine emergency.
Solid white lines indicate strict legal prohibitions, unlike broken lines which are advisory.
3
Evaluate whether taking the wrong slip road qualifies as an emergency.
Realising you are at the wrong junction is a navigational error, not an emergency.
Emergencies involve immediate physical danger or mechanical breakdown, not route planning mistakes.
4
Determine the required course of action based on the rules.
The driver must continue on the slip road to the next junction or roundabout to reroute safely.
Rule 273 states that if you take the wrong route or miss your exit, you must carry on to the next exit.

Anahtar Kavram

Strict legal prohibitions regarding solid white lines and procedures for missed exits.
Tahmini Süre:45s
Soru 1239Soru →

While driving on a dual carriageway in heavy rain, your tyres begin to aquaplane across standing water and the steering suddenly feels very light. In which order should you carry out the following actions to safely regain control of your vehicle?

Öğeleri doğru sıraya koymak için sürükleyin

Cevabı ve açıklamayı göster

Cevap

1. Ease your foot gently off the accelerator to let the vehicle slow down naturally. 2. Keep the steering wheel straight and steady without applying harsh braking. 3. Wait for the tyres to cut through the surface water and regain physical contact with the road. 4. Apply gentle steering and braking inputs once normal steering resistance is felt.
When aquaplaning occurs, the tyres ride up on a cushion of water, causing steering to feel light and unresponsive. The correct recovery sequence begins with easing off the accelerator smoothly to allow engine drag and air resistance to reduce speed. Next, keeping the wheels straight without harsh braking prevents a sudden spin. As speed decreases, the tyre treads can disperse the standing water and regain grip. Finally, once normal steering resistance is restored, gentle directional control can be safely resumed.

Adım Adım Çözüm

1
Ease off the accelerator pedal immediately and smoothly.
Vehicle begins deceleration gradually without locking wheels or causing sudden chassis balance disruption.
Sudden braking or aggressive throttle inputs on a surface water film will induce an immediate severe skid.
2
Maintain a steady, straight steering angle and avoid applying the footbrake.
The vehicle continues travelling in a stable straight line while floating over the water film.
Turned front wheels will violently snap the vehicle sideways the moment tyre tread bites into the tarmac.
3
Allow road resistance and engine drag to drop the speed until the tread displaces water.
The water cushion dissipates and tyre contact patches reconnect with the road surface.
Tyre tread grooves require a reduction in road speed to evacuate standing water effectively.
4
Resume gentle steering and normal driving controls once steering weight returns.
Full directional control is safely restored.
Steering inputs become effective and predictable only after physical grip between rubber and tarmac is restored.

Anahtar Kavram

Aquaplaning Recovery and Skid Prevention Sequence
Tahmini Süre:1m 0s
Soru 1240Soru →

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

Cevabı ve açıklamayı göster

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

Cevap

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

Adım Adım Çözüm

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

Anahtar Kavram

ABS operational mechanics and stopping distance variations on loose road surfaces
Tahmini Süre:1m 0s
ÖncekiSayfa 62 / 95Sonraki
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