I85PREP
⌘ K
FRSC Commercial Driver study materials
FRSC Commercial Driver study resources

FRSC Commercial Driver practice questions

One question at a time. Build your FRSC Commercial Driver understanding.

First 50 of 200 questions. Each one lists the choices, the correct answer, and an explanation. The checker at the top of this page saves progress in this browser when it is available.

Continue in the practice tool above to load more questions, 50 at a time.

Question 1Road Safety

FRSC's commercial-driver guidance gives a BAC figure of 0.05%. Expressing BAC percentage as grams of alcohol per 100 ml of blood, what is that figure in mg per 100 ml?

  1. 0.10 mg per 100 ml of blood
  2. 0.00 mg per 100 ml of blood
  3. 50 mg per 100 ml of blood Correct answer.
  4. 0.08 mg per 100 ml of blood

Explanation

A BAC of 0.05% represents 0.05 grams of alcohol per 100 ml of blood. Multiplying grams by 1,000 gives 50 mg per 100 ml. This is the unit conversion of the figure stated in the cited commercial-driver guidance.

Question 2Road Safety

A driver's blood alcohol concentration begins to impair driving ability at what point?

  1. Only after reaching the legal limit
  2. Only after two or more standard drinks
  3. Only when the driver feels visibly intoxicated
  4. From the first drink, before any legal threshold Correct answer.

Explanation

Impairment of attention, coordination and hazard perception starts at very low concentrations, well below any legal limit. Waiting for a threshold or for visible drunkenness is dangerous because the driver may already be unsafe. This is why the safest and legally compliant choice for a commercial driver is not to drink at all before driving.

Question 3Road Safety

Which of the following best describes the correct use of a seat belt by a commercial bus driver?

  1. The driver should fasten it before moving and keep it on for the whole journey Correct answer.
  2. The driver may loosen it once the vehicle reaches cruising speed on a highway
  3. The driver needs it only when passengers are on board
  4. The driver may leave it unfastened when driving short distances within town

Explanation

Seat belts are most effective when fastened before the vehicle moves and worn continuously, because most collisions occur close to home on routine trips. Short journeys and low speeds do not remove the risk of sudden impact. A professional driver also models correct behaviour for passengers.

Question 4Road Safety

What is the primary purpose of the FRSC's speed limit device policy for commercial vehicles?

  1. To increase revenue from traffic fines
  2. To shorten journey times on interstate routes
  3. To reduce the severity of crashes by capping vehicle speed Correct answer.
  4. To replace the need for periodic vehicle inspection

Explanation

Speed limiters physically restrict how fast a commercial vehicle can travel, lowering both the likelihood of a crash and the energy released on impact. Speed is a major contributor to fatal crashes involving buses and trucks. The device works alongside, not instead of, other safety controls such as inspections and driver training.

Question 5Road Safety

When approaching a pedestrian crossing where a pedestrian has stepped onto the roadway, what must a commercial driver do?

  1. Slow down and stop to allow the pedestrian to cross safely Correct answer.
  2. Flash headlights and continue at the posted limit
  3. Sound the horn and maintain speed to warn the pedestrian
  4. Swerve around the pedestrian without reducing speed

Explanation

Pedestrians already on a crossing have priority, and a commercial vehicle needs a longer braking distance than a car. The driver must slow and stop until the crossing is clear. Horns and headlight flashes do not transfer priority away from the pedestrian.

Question 6Road Safety

What is the correct action when a commercial driver hears a siren and sees an emergency vehicle approaching from behind with lights flashing?

  1. Pull over safely to the side and stop until it passes Correct answer.
  2. Brake sharply in the middle of the lane
  3. Maintain lane and speed so the emergency vehicle can judge your position
  4. Accelerate to stay ahead of the emergency vehicle

Explanation

Emergency vehicles on active call have priority, and other road users must yield by moving aside safely and stopping if necessary. Predictable yielding lets the emergency crew pass without guessing the driver's intentions. Sharp braking in the lane creates a rear-end hazard for following traffic.

Question 7Road Safety

Which document must a commercial driver be prepared to produce during a routine FRSC roadside check?

  1. Only the vehicle owner's contact details
  2. A valid driver's licence and the vehicle's valid papers Correct answer.
  3. Only a letter from the transport company
  4. Only a national identity card

Explanation

Roadside checks verify that the person is licensed for the vehicle class and that the vehicle is registered, insured and roadworthy. A valid licence and current vehicle documents are the standard requirements. Identity cards or company letters alone do not demonstrate driving entitlement.

Question 8Road Safety

What does a continuous solid white line along the centre of a two-way road indicate to a commercial driver?

  1. The lane may be used for parking during off-peak hours
  2. The road is a one-way street
  3. Overtaking is permitted if the road ahead looks clear
  4. Overtaking is prohibited and the lane must not be crossed Correct answer.

Explanation

A continuous centre line marks a section where visibility or alignment makes overtaking unsafe, so crossing it is prohibited. The restriction applies even if the driver believes the way is clear. Broken lines, by contrast, permit overtaking when it is safe.

Question 9Road Safety

A commercial driver has been awake for over 18 hours before starting a long interstate trip. What is the safest professional decision?

  1. Delay the trip until adequate rest has been obtained Correct answer.
  2. Start the trip and stop only when drowsiness becomes severe
  3. Begin the trip and drink strong coffee to stay alert
  4. Share the driving with a fatigued colleague

Explanation

Fatigue impairs reaction time and attention in ways similar to alcohol, and stimulants such as coffee mask but do not reverse it. The only reliable remedy is proper rest before driving. Starting a long trip already sleep-deprived sharply raises the risk of a micro-sleep at the wheel.

Question 10Road Safety

On a wet road, a loaded commercial truck should adjust its following distance in what way?

  1. Reduce the gap to prevent other vehicles merging in
  2. Keep the same gap used in dry conditions
  3. Follow closely behind the vehicle ahead to use its tyre tracks
  4. Increase the gap substantially to allow for longer stopping distance Correct answer.

Explanation

Wet surfaces reduce tyre grip and extend braking distance, and a loaded truck already needs more distance than a car. Increasing the gap gives the driver time and space to stop or steer around a hazard. Tailgating removes that margin and is especially dangerous with reduced traction.

Question 11Road Safety

A driver notices the steering feels unusually heavy and the vehicle pulls to one side after a tyre change. What is the appropriate response?

  1. Continue the journey and report it at the next depot
  2. Ignore it because heavy steering is normal for loaded trucks
  3. Increase speed to see whether the problem settles
  4. Stop in a safe place and check the tyres and wheel fittings Correct answer.

Explanation

Heavy steering and pulling after a tyre change can indicate incorrect inflation, uneven fitment or a loose wheel, any of which could lead to a blowout or loss of control. The safe response is to stop in a safe location and inspect before continuing. Continuing to drive risks a serious mechanical failure at speed.

Question 12Road Safety

When is a commercial driver justified in using the horn?

  1. To greet acquaintances along the route
  2. To warn other road users of imminent danger Correct answer.
  3. To express annoyance at a slow driver ahead
  4. To demand right of way at a junction

Explanation

The horn is a warning device intended to alert others to a hazard they may not have seen. Using it for irritation, greetings or to assert priority is misuse that can startle other road users. Correct use is brief and tied to a genuine safety need.

Question 13Road Safety

A commercial driver carrying hazardous goods approaches a flooded section of road. What is the safest course of action?

  1. Follow a smaller car through the flood
  2. Stop and find an alternative route or wait for the water to recede Correct answer.
  3. Drive through quickly to minimise time in the water
  4. Reverse back along the road at speed

Explanation

Floodwater depth is hard to judge and can hide washed-out road surfaces, while a heavy vehicle may still be swept or stall. Hazardous loads add the risk of spillage if the vehicle is stranded or overturned. Stopping and rerouting or waiting avoids exposing the load and the driver to that danger.

Question 14Road Safety

What is the main reason commercial drivers are required to take rest breaks on long journeys?

  1. To reduce fuel consumption on the route
  2. To satisfy insurance paperwork requirements
  3. To counter the build-up of fatigue that degrades driving performance Correct answer.
  4. To allow passengers to shop at roadside stops

Explanation

Sustained driving causes fatigue that slows reactions and reduces vigilance, and rest breaks interrupt that build-up. The requirement is a safety control aimed at preventing fatigue-related crashes. Fuel savings or commercial stops may occur but are not the reason for the rule.

Question 15Road Safety

A commercial vehicle's tyre has a tread depth below the legal minimum. What is the correct action before the vehicle continues in service?

  1. Continue using it until the next scheduled service
  2. Reduce speed and keep using the tyre indefinitely
  3. Move the tyre to a rear position and continue
  4. Replace or retread the tyre before the vehicle is used Correct answer.

Explanation

Tread depth is critical for grip and water dispersal, and a tyre below the legal minimum cannot safely be used. The vehicle should not continue in service until the tyre is replaced or retreaded to standard. Moving a worn tyre to another position does not restore its grip.

Question 16Road Safety

What does the term 'defensive driving' require of a commercial driver approaching a blind junction?

  1. Anticipate that another road user may emerge and be ready to stop Correct answer.
  2. Assume other vehicles will stop and proceed at normal speed
  3. Accelerate to clear the junction quickly
  4. Sound the horn continuously until through the junction

Explanation

Defensive driving means anticipating the mistakes of others and keeping a margin to respond. At a blind junction, a driver should expect that a vehicle or pedestrian may emerge unseen and should be prepared to stop. Assuming others will obey the rules removes that safety margin.

Question 17Road Safety

A commercial driver is involved in a collision in which a person is injured. Which action should the driver take first?

  1. Move the injured person immediately regardless of injury type
  2. Continue to the destination and report later
  3. Stop, secure the scene and arrange emergency assistance Correct answer.
  4. Leave the scene to find a lawyer

Explanation

The driver must stop, make the scene safe to prevent further collisions and summon medical help for the injured. Moving an injured person without training can worsen spinal or internal injuries. Leaving the scene or delaying the report is a serious offence.

Question 18Road Safety

How should a commercial driver position a broken-down vehicle on a busy highway at night?

  1. Leave it in the traffic lane with no warning devices
  2. Move it as far off the carriageway as possible and display warning triangles and lights Correct answer.
  3. Switch off all lights to avoid dazzling other drivers
  4. Stand behind the vehicle waving traffic past

Explanation

A broken-down vehicle should be moved clear of the carriageway where possible and made visible with warning triangles and hazard lights, especially at night. This gives approaching drivers time to change lanes. Standing in the carriageway or going dark makes the vehicle far harder to see.

Question 19Road Safety

A driver's licence has expired but the driver is due to make an interstate commercial trip. What is the correct position?

  1. The driver must not drive commercially until the licence is renewed Correct answer.
  2. The driver may drive if accompanied by a licensed colleague
  3. The driver may drive during daylight hours only
  4. The driver may complete the trip because renewal is pending

Explanation

Driving a commercial vehicle on an expired licence is an offence and may invalidate insurance cover. The driver must renew the licence before operating the vehicle. Supervision or daylight restrictions do not cure an expired licence.

Question 20Road Safety

What is the primary function of the anti-lock braking system (ABS) on a commercial vehicle during emergency braking?

  1. It automatically applies the parking brake
  2. It prevents the wheels from locking so the driver can retain steering control Correct answer.
  3. It shortens the stopping distance on every surface
  4. It increases engine power to pull out of a skid

Explanation

ABS modulates brake pressure to stop the wheels locking, which preserves steering control during hard braking. It does not guarantee a shorter stop on loose or slippery surfaces, where distance can even increase. The driver must still steer around the hazard while braking firmly.

Question 21Road Safety

A commercial driver is being overtaken by another vehicle on a two-lane road. What is the safest response?

  1. Maintain a steady speed and keep well to your side of the road Correct answer.
  2. Brake hard as the other vehicle draws alongside
  3. Move towards the centre line to block the overtaking vehicle
  4. Accelerate to prevent the overtaking vehicle from passing

Explanation

When being overtaken, the safe response is to hold a predictable speed and position so the other driver can complete the manoeuvre. Accelerating prolongs the time both vehicles spend exposed. Blocking or braking sharply can cause a collision.

Question 22Road Safety

A commercial driver must reverse a large vehicle into a loading bay with poor rear visibility. What is the correct procedure?

  1. Use a competent banksman or guide and reverse slowly with checks Correct answer.
  2. Rely solely on the reversing alarm to warn people behind
  3. Open the driver's door and lean out while reversing at speed
  4. Reverse quickly to minimise the time spent manoeuvring

Explanation

Large vehicles have extensive blind spots behind them, so a trained guide should supervise the manoeuvre while the driver reverses slowly with continuous checks. Reversing quickly reduces the time available to react to a person or object in the blind spot. The reversing alarm alone does not detect everyone.

Question 23Road Safety

A loaded commercial truck is descending a long steep hill. Which technique best controls speed and protects the brakes?

  1. Switch off the engine and roll down the slope
  2. Select a low gear and use engine braking with intermittent brake application Correct answer.
  3. Coast in neutral to save fuel
  4. Rely on the foot brake continuously down the whole descent

Explanation

Continuous foot braking on a long descent overheats the brakes and can cause brake fade or failure. Selecting a low gear uses engine braking to hold speed, with brakes applied intermittently as needed. Coasting in neutral or with the engine off removes engine braking and steering assistance.

Question 24Road Safety

During the rainy season, a commercial driver sees a large pool of water across the road and cannot judge its depth. What is the most defensible decision?

  1. Follow the tyre tracks of a vehicle ahead without checking
  2. Stop and assess or reroute rather than risk stalling or being swept away Correct answer.
  3. Proceed at speed to cross before the water rises
  4. Cross slowly in the middle of the road

Explanation

Standing water can conceal scoured road surfaces and can float or sweep a heavy vehicle, and a stalled engine leaves the vehicle stranded. Without knowing the depth, the defensible choice is to stop and assess or take another route. Following another vehicle's tracks does not confirm the surface beneath is intact.

Question 25Road Safety

A commercial driver's route passes a school at closing time. Which combination of actions best manages the risk?

  1. Move to the centre of the road and accelerate past the gate
  2. Reduce speed well below the limit, scan both pavements and be ready to stop Correct answer.
  3. Sound the horn continuously while passing the school gate
  4. Maintain the posted limit and rely on children to use the crossing

Explanation

Children are unpredictable and may run into the road without looking, so the driver must reduce speed and scan both sides to allow time to stop. A commercial vehicle needs a long braking distance, which makes early speed reduction essential. Horns and acceleration do not replace that margin.

Question 26Road Safety

Under the FRSC speed limit regime for commercial vehicles on Nigerian roads, what is the maximum speed for a tanker or other goods vehicle on an expressway?

  1. 80 km/h Correct answer.
  2. 100 km/h
  3. 120 km/h
  4. 60 km/h

Explanation

The FRSC speed limit rule sets 80 km/h as the ceiling for commercial goods vehicles, including tankers, on expressways and highways. Private cars are allowed a higher limit, so a commercial driver must not simply match the speed of surrounding traffic. Exceeding the commercial limit exposes the driver to prosecution and increases stopping distance for a heavy, high-centre-of-gravity vehicle.

Question 27Road Safety

A commercial driver sees a FRSC officer signalling the vehicle to pull over for a check. What is the correct immediate response?

  1. Speed up to reach a wider shoulder further ahead before stopping
  2. Continue to the next town and report to the FRSC office there instead
  3. Brake hard immediately where the vehicle is so the officer can reach it quickly
  4. Signal, slow down gradually and stop at a safe point clear of the traffic lane Correct answer.

Explanation

A lawful stop means acknowledging the signal, indicating, reducing speed progressively and halting where the vehicle does not block moving traffic. Heavy vehicles need long stopping distances, so abrupt braking risks a rear-end collision. Stopping at a safe, visible point also lets the officer approach without standing in a live lane.

Question 28Road Safety

What does a broken white line in the centre of a two-way road permit a commercial driver to do?

  1. Exceed the speed limit to complete an overtake
  2. Overtake when it is safe and the road ahead is clear Correct answer.
  3. Drive on the right-hand side at any time
  4. Park temporarily while loading goods

Explanation

A broken or dashed centre line separates opposing traffic flows but allows a driver to cross it to overtake when visibility and road conditions make the manoeuvre safe. It does not create a permanent right to occupy the opposing lane. The driver must still judge the speed and distance of oncoming traffic before committing a heavy vehicle to the overtake.

Question 29Road Safety

Which of these behaviours is the clearest sign that a commercial driver is becoming too fatigued to continue safely?

  1. Wanting to change the radio station more often than usual
  2. Noticing that the cab is warmer than usual in the afternoon
  3. Feeling hungry and wanting to stop for a meal at the next town
  4. Repeated yawning, drifting within the lane and losing track of the last few kilometres Correct answer.

Explanation

Microsleeps, lane drifting and gaps in memory of the recent journey are recognised warning signs of dangerous drowsiness. Hunger, cab temperature and radio preferences are comfort issues that do not by themselves indicate an unsafe level of fatigue. A driver showing these signs should stop at a safe place and rest rather than push on.

Question 30Road Safety

A commercial driver is about to start a trip and notices the seat belt buckle will not latch. What is the correct action?

  1. Do not move the vehicle until the belt is repaired or the vehicle is exchanged Correct answer.
  2. Loop the belt loosely and drive at reduced speed
  3. Hold the belt across the chest by hand while driving
  4. Continue the trip because seat belts are optional for goods vehicles

Explanation

A defective restraint means the driver is not properly protected, and a commercial driver may not operate a vehicle in that condition. The fault must be fixed or a roadworthy vehicle substituted before the journey begins. Improvising with a loose or hand-held belt gives no restraint in a crash.

Question 31Road Safety

What is the correct way for a commercial driver to use a roundabout with no traffic lights?

  1. Enter immediately and rely on circulating vehicles to brake
  2. Give way to traffic already circulating and join when there is a safe gap Correct answer.
  3. Sound the horn and proceed without slowing
  4. Stop fully at every entry arm before moving off

Explanation

At an uncontrolled roundabout, traffic already on the circle has priority, so an entering driver must yield and wait for a safe gap. Forcing an entry makes a heavy vehicle with a poor turning circle a hazard to circulating traffic. A full stop is only needed where visibility or traffic requires it, not automatically at every arm.

Question 32Road Safety

Why must a commercial driver reduce speed before entering a sharp bend rather than braking hard in the middle of it?

  1. Engine braking is prohibited on curved roads
  2. Braking mid-curve voids the vehicle's insurance cover
  3. Braking on a curve can cause loss of grip and a rollover of a high vehicle Correct answer.
  4. Bends are always marked with a lower speed limit

Explanation

A loaded commercial vehicle carries a high centre of gravity, so heavy braking while cornering shifts weight and can break traction or tip the vehicle. Speed must be set before the bend so the driver can hold a steady line through it. Braking gently and progressively on the approach is the safe technique.

Question 33Road Safety

What is the purpose of the FRSC's driver's licence and vehicle documents verification during a road safety campaign?

  1. To decide whether the vehicle may carry passengers for hire
  2. To assess the driver's knowledge of the Highway Code orally
  3. To confirm that the driver and vehicle meet legal requirements to be on the road Correct answer.
  4. To collect revenue for the local government council

Explanation

Document checks confirm that the person driving holds a valid licence for that class of vehicle and that the vehicle is registered, insured and roadworthy. They are a compliance measure, not a test of knowledge or a fare regulation. A driver should therefore carry the originals or approved copies at all times.

Question 34Road Safety

A commercial driver is approaching a pedestrian crossing where a person has stepped onto the stripes. What must the driver do?

  1. Sound the horn so the pedestrian hurries across
  2. Stop and allow the pedestrian to cross completely Correct answer.
  3. Continue at the same speed because the vehicle has right of way
  4. Slow down and pass behind the pedestrian

Explanation

Once a pedestrian has committed to a marked crossing, the driver must stop and let them clear the road before moving. A heavy vehicle needs a long distance to halt, so the decision to stop must be made early. Passing behind or pressing the pedestrian creates an unacceptable risk of a fatal collision.

Question 35Road Safety

A commercial driver's load is stacked above the sides of the truck bed and is not secured. Which risk does this create?

  1. The load may shift or fall, destabilising the vehicle and endangering other road users Correct answer.
  2. The vehicle will automatically fail its roadworthiness certificate
  3. The tyres will wear more evenly across the tread
  4. The vehicle's fuel consumption will fall sharply

Explanation

An unsecured or over-height load can move during braking or cornering, changing the vehicle's balance and possibly spilling onto the road. Falling cargo is a direct hazard to following traffic and pedestrians. Loads must be contained within the body or properly lashed down before the vehicle moves.

Question 36Road Safety

A commercial driver must cross a railway level crossing with no barriers and no attendant. What is the safest procedure?

  1. Cross quickly without stopping to minimise exposure time
  2. Follow the vehicle ahead closely so both cross together
  3. Cross while sounding the horn continuously
  4. Stop, look and listen in both directions, and cross only when the line is clear Correct answer.

Explanation

At an unprotected crossing the driver must stop short of the rails, check both directions and listen for an approaching train before proceeding. Trains cannot stop quickly, and a heavy vehicle stalled on the track is a catastrophic scenario. Following another vehicle closely risks being trapped if that vehicle stops on the crossing.

Question 37Road Safety

A commercial driver is travelling at night on an unlit rural road and an oncoming vehicle fails to dip its headlights. What is the best response?

  1. Close one eye until the vehicle has passed
  2. Slow down, avoid staring at the lights and keep the near edge of the road in view Correct answer.
  3. Switch on full beam to retaliate against the other driver
  4. Accelerate to pass the oncoming vehicle more quickly

Explanation

Glare temporarily destroys night vision, so the driver should reduce speed and use the left-hand edge of the carriageway as a guide until the vehicle passes. Flashing full beam back increases the other driver's glare and can cause a collision. Accelerating while partially blinded shortens the time available to react to any hazard.

Question 38Road Safety

A commercial driver is carrying a load of loose sand. What is the correct way to prevent spillage onto the road?

  1. Sheet the load with a tarpaulin secured to the body Correct answer.
  2. Drive more slowly than the speed limit at all times
  3. Open the tailgate slightly to let the sand settle
  4. Load only half the capacity of the truck

Explanation

Loose materials must be covered so that wind and motion do not blow or shake them onto the carriageway, where they create skid hazards. A secured tarpaulin is the standard control for this risk. Slower driving or partial loading does not prevent spillage on its own.

Question 39Road Safety

A commercial driver feels the vehicle begin to aquaplane on a wet expressway. What is the correct immediate action?

  1. Turn the steering wheel sharply from side to side
  2. Ease off the accelerator and hold the steering steady until grip returns Correct answer.
  3. Brake firmly and steer towards the shoulder
  4. Accelerate to push through the water

Explanation

Aquaplaning means the tyres have lost contact with the road surface, so any sudden input can trigger a spin. Lifting off the accelerator gently allows speed to fall and the tyres to regain contact. Braking or steering sharply during the slide will almost certainly cause loss of control.

Question 40Road Safety

A commercial driver is directed by a uniformed traffic officer to pass a red traffic light. What should the driver do?

  1. Refuse to move until the light turns green
  2. Obey the officer's direction carefully after checking that the way is clear Correct answer.
  3. Wait for the light and ignore the officer
  4. Proceed at full speed to clear the junction quickly

Explanation

A police or FRSC officer controlling traffic takes precedence over the automatic signal, but the driver must still confirm the junction is clear before moving. Obeying the officer does not remove the duty to proceed cautiously. Refusing a lawful direction obstructs traffic and is an offence.

Question 41Road Safety

A commercial driver's vehicle has a faulty speedometer that reads lower than the true speed. Why is this a serious safety concern?

  1. It prevents the ABS from functioning
  2. It automatically invalidates the vehicle's insurance
  3. The driver may unknowingly exceed the commercial speed limit and misjudge stopping needs Correct answer.
  4. It will cause the engine to overheat on long trips

Explanation

A speedometer reading low gives the driver a false sense of compliance and can lead to speeding without awareness. Speed also determines stopping distance, so misjudging it affects hazard response. The instrument must be repaired before the vehicle is used for commercial service.

Question 42Road Safety

What is the safest way for a commercial driver to share the road with a motorcyclist riding close to the left edge?

  1. Leave extra clearance when passing and expect the rider to swerve around potholes Correct answer.
  2. Move into the opposite lane without checking for oncoming traffic
  3. Sound the horn and maintain speed alongside the rider
  4. Pass closely so the rider is forced to slow down

Explanation

Motorcyclists are vulnerable and often move suddenly to avoid potholes, debris or standing water. A commercial driver should give a wide berth and anticipate these swerves. The displaced air from a large passing vehicle can also destabilise a rider at speed.

Question 43Road Safety

A commercial driver is blinded by strong afternoon sun and the windscreen is dusty. What is the best course of action?

  1. Clean the windscreen, use the sun visor and reduce speed until visibility improves Correct answer.
  2. Wear dark sunglasses and maintain speed
  3. Follow the vehicle ahead more closely as a guide
  4. Continue at the same speed and rely on the road markings

Explanation

A dirty windscreen scatters low sun and drastically reduces forward vision, so cleaning it and using the visor are the first controls. Reducing speed buys time to react to hazards hidden in the glare. Tailgating another vehicle to use it as a guide removes the safety gap needed to stop.

Question 44Road Safety

A commercial driver is descending a hill and smells burning from the brakes. What does this indicate and what should be done?

  1. The load is too light; add ballast before continuing
  2. The ABS is engaging normally; keep the same technique
  3. The brakes are bedding in; continue without change
  4. The brakes are overheating; stop safely, let them cool and use a lower gear Correct answer.

Explanation

A burning smell on a descent signals brake fade from overheating, which sharply reduces stopping power. The driver should pull over at a safe point, allow the brakes to cool and rely on engine braking in a lower gear. Continuing to ride the brakes risks total loss of braking on the hill.

Question 45Road Safety

A commercial driver is following a tanker displaying a hazard warning diamond on a busy road. What is the appropriate following behaviour?

  1. Follow closely so other vehicles cannot cut in
  2. Overtake immediately on a bend to get past the hazard
  3. Increase the following gap and avoid close overtaking until a safe opportunity arises Correct answer.
  4. Flash headlights to make the tanker pull over

Explanation

A hazard warning diamond identifies dangerous goods, so a spill or fire would be catastrophic and the driver needs room to react. A larger following gap gives space to stop and to escape if the tanker has an incident. Overtaking should only be attempted where visibility and road layout make it safe.

Question 46Road Safety

A commercial driver notices a tyre with a deep cut in the sidewall that exposes the cord. What is the correct decision?

  1. Reduce the load and continue the journey as planned
  2. Take the vehicle out of service and have the tyre replaced before any further trip Correct answer.
  3. Cover the cut with tape and complete the delivery
  4. Inflate the tyre to a higher pressure to close the cut

Explanation

Exposed cord means the tyre structure is compromised and it can fail suddenly, especially under load or at speed. A commercial vehicle with such a tyre is not roadworthy and must not be used until the tyre is replaced. No load adjustment or surface repair restores sidewall strength.

Question 47Road Safety

A commercial driver arrives at a crash scene where an injured person is lying on the carriageway and traffic is still moving. What should the driver do first?

  1. Stop safely, warn approaching traffic and call the emergency services Correct answer.
  2. Drive on because stopping may block the road
  3. Leave the scene to find the nearest police station
  4. Move the injured person immediately without checking for danger

Explanation

Scene safety comes before casualty care, so the driver should park safely, use hazard lights or a warning triangle to slow traffic and summon help. Moving an injured person without assessing danger can worsen spinal injuries and puts the rescuer at risk. Leaving the scene or driving on fails the duty to assist.

Question 48Road Safety

On a busy urban road a commercial driver's brakes fail completely. Which action sequence is most likely to stop the vehicle safely?

  1. Switch off the engine immediately and coast to a stop
  2. Pump the brakes, downshift through the gears, use the handbrake gradually and steer towards a safe escape route Correct answer.
  3. Steer sharply into the nearest kerb at full speed
  4. Open the door and jump clear of the moving vehicle

Explanation

With failed service brakes, the driver should try to restore pressure by pumping, use engine braking through the gears and apply the parking brake progressively to avoid locking the wheels. Steering towards a safe runoff or an uphill gradient gives the best chance of shedding speed. Sharp impacts or abandoning the vehicle turn a controllable emergency into a crash.

Question 49Road Safety

A commercial driver on a two-lane highway is being followed too closely by a smaller car. What is the most appropriate defensive response?

  1. Brake sharply to warn the driver behind
  2. Switch on the rear fog lights to deter the follower
  3. Gradually increase the gap ahead and allow the car to pass when it is safe Correct answer.
  4. Accelerate hard to open a gap behind

Explanation

A tailgater leaves the truck driver with no control over the rear gap, so the safest response is to create more room in front and let the car pass. A larger forward gap allows gentler braking if a hazard appears, reducing the chance of the follower hitting the truck. Provoking the follower with sudden braking or lights increases the risk of a collision.

Question 50Road Safety

A commercial driver's route includes a narrow bridge where two large vehicles cannot pass. What is the safest approach?

  1. Slow down early, assess the oncoming traffic and give way if the bridge cannot be shared Correct answer.
  2. Sound the horn and maintain speed across the bridge
  3. Move onto the bridge and stop midway to decide
  4. Enter the bridge first and force the oncoming vehicle to reverse

Explanation

Where the carriageway narrows so that two heavy vehicles cannot pass, the driver must judge the approach early and yield rather than commit to a conflict on the structure. Entering first and forcing the other vehicle to reverse on a narrow bridge is dangerous and often impossible. Stopping midway blocks both directions.