Doha General Directorate of Traffic Truck & Bus
Practice mode· Heavy vehicle skillsDoha General Directorate of Traffic - Qatar Heavy Vehicle Skills Test 2
Second set of heavy-vehicle questions covering coupling, tunnels and bridges, passenger safety, hill starts and managing long or wide loads. Complete both tests for full coverage.
A truck's front steering axle has a maximum allowed axle weight of 6 tonnes. The axle is currently carrying 7.5 tonnes. What is the most likely consequence?
The other 12 questions in this test
Read them all. The answer and the reason for each, and the timed 22-question run, are in the Qatar Driving Theory Online Practice Bank.
- Q11Heavy vehicle
When reversing a large truck or articulated vehicle in a yard, what does a banksman do?
- AA yard worker who connects the trailer air lines while the truck is reversing
- BA trained person who stands in a safe position and guides the driver using agreed hand signals or radio
- CAn automated camera system that beeps when an obstacle is detected behind the vehicle
- DA second driver who sits in the passenger seat and reads clearances to the driver
Answer and explanation in the bank
- Q12Heavy vehicle
What should a truck driver do if they lose sight of the banksman while reversing?
- AStop immediately and do not move until the banksman re-establishes contact
- BContinue reversing slowly and sound the horn to alert the banksman
- CWind down the window and call out to the banksman before stopping
- DUse the rear-view camera as a backup and complete the manoeuvre independently
Answer and explanation in the bank
- Q13Heavy vehicle
How does the speed limit for heavy goods vehicles on Qatar motorways compare with the limit for private cars?
- A120 km/h, the same as private cars in all cases
- B60 km/h on all roads regardless of the posted limit
- CThere is no speed limit for heavy vehicles on motorways
- DIt is generally lower than the car limit; follow the limit signed for heavy vehicles
Answer and explanation in the bank
- Q14Heavy vehicle
What is the correct pre-trip tyre inspection procedure for a heavy vehicle driver?
- AKick each tyre once; if it feels solid the pressure is adequate
- BCheck only the drive axle tyres as they carry the most load
- CCheck tyre pressure when cold, inspect for cuts, bulges, foreign objects, and confirm minimum legal tread depth on all tyres including the spare
- DCheck tyre pressure only after driving 20 km, when tyres have reached operating temperature
Answer and explanation in the bank
- Q15Heavy vehicle
How does Qatar's intense summer heat affect heavy vehicle tyres, and what precaution should drivers take?
- AHeat softens the rubber and improves grip, so higher pressures can be used safely
- BHeat increases tyre pressure and accelerates degradation of the rubber; drivers should check pressure when cold and avoid over-inflation
- CDesert heat has no significant effect on tyres designed for commercial use
- DOver-inflated tyres perform better in summer because the sidewalls are stiffer
Answer and explanation in the bank
- Q16Heavy vehicle
A heavy vehicle driver notices the tread on the inside shoulder of both rear tyres is wearing much faster than the outside. What is the most likely cause?
- AThe vehicle is consistently under-loaded on the rear axle
- BThe tyres are running at too high a pressure for the road surface
- CInside shoulder wear is normal for dual rear tyres and requires no action
- DIncorrect wheel alignment or the axle is out of square, causing the tyres to scrub inward
Answer and explanation in the bank
- Q17Heavy vehicle
On a long run, how often does the MOI driver curriculum advise a driver to stop and rest?
- AOnly at the destination, if the driver feels alert
- BAbout every two hours, for around 15 minutes, or sooner if tired
- CEvery eight hours
- DRest breaks are only needed at night
Answer and explanation in the bank
- Q18Heavy vehicle
What is the most effective way for a heavy vehicle driver to manage fatigue on a long overnight run?
- APlan adequate sleep before the journey, take scheduled rest breaks, and stop to sleep if feeling drowsy
- BDrink extra coffee and energy drinks throughout the drive to stay alert
- COpen the cab window and turn up the radio to stimulate alertness
- DDrive faster to reach the destination sooner and reduce overall time on the road
Answer and explanation in the bank
- Q19Heavy vehicle
What must a bus driver do before allowing passengers to board at a stop?
- ASlow to below 10 km/h and open the doors while still rolling to save time
- BBring the bus to a complete stop at the designated stop, apply the park brake, and open the doors only when stationary
- CSound the horn twice to alert boarding passengers and then open the doors
- DWait for passengers to wave before stopping, then open doors immediately without applying the park brake
Answer and explanation in the bank
- Q20Heavy vehicle
A passenger on a bus collapses and is unresponsive. What is the driver's first priority?
- AContinue driving to the nearest hospital at maximum speed
- BAsk other passengers to deal with the situation while continuing the route
- CStop the bus safely, apply the park brake, call emergency services, and assist the passenger or direct other passengers to assist
- DOpen all windows and doors to ventilate the bus, then continue to the next stop
Answer and explanation in the bank
- Q21Heavy vehicle
What is the maximum number of standing passengers allowed on a bus in Qatar?
- AAny number that can physically fit in the aisle
- BStanding passengers are never permitted on any bus in Qatar
- CTwice the seated capacity is permitted during peak hours
- DThe number specified on the vehicle's certificate of fitness; overloading beyond that figure is illegal
Answer and explanation in the bank
- Q22Heavy vehicle
What does the UN hazard identification number (Kemler code) displayed on an orange plate on a tanker indicate?
- AThe nature of the hazard (for example flammable, toxic, or explosive) and the UN product number to help emergency services identify the substance
- BThe tare weight of the tanker and its maximum permitted fill level
- CThe vehicle's registration country and the driver's license category
- DThe tanker's inspection date and the next service interval in kilometres
Answer and explanation in the bank
Every answer above, with the rule it comes from, plus the full 22-question timed test.
Get the Qatar Driving Theory Online Practice Bank - QAR 39What this test covers
Topics include road signs, traffic signals, right of way, roundabouts, speed limits, seat belts, fines and penalties, and the safe-driving rules specific to your vehicle category. Full question-by-question feedback with explanations is shown immediately after you finish the test above.
Frequently asked questions
How many questions is the Doha General Directorate of Traffic truck & bus theory test?
The official General Directorate of Traffic truck & bus theory test in Doha has 40 questions and you need 37 correct (92.5%) to pass. This practice test has 22 questions.
Is this the real exam?
These are practice questions to help you revise, written to the published rules and to what candidates report from the real test. They are not the official Qatar exam and the real question bank, format, fees and pass mark are set by the General Directorate of Traffic (Ministry of Interior) and the driving schools, and can change. Always confirm the current requirements with your driving school or the traffic department (for example via the Metrash service).
Is this practice test free?
The first 10 questions are free, with no signup, and each shows the answer and the reason. The full 22-question test, timed, is in the Qatar Driving Theory Online Practice Bank (QAR 39, one payment), with every question in the bank.
What does the Doha truck & bus theory test cover?
Road signs, traffic signals, right of way, roundabouts, speed limits, seat belts, penalties and safe-driving rules, plus the handling and safety topics specific to your vehicle.