DGT B licence questions: Vehicle operation and maintenance

Page 1 of 1 · Questions 1 to 62 of 62

1. What is the engine oil dipstick used for?
2. Your car is immobilised by a breakdown inside a tunnel. Of these actions, which should you take immediately to warn vehicles approaching…
3. Why is it advisable to change the lubricating oil periodically?
4. To achieve efficient driving, you must drive...
5. What is the function of an engine's cooling system?
6. Can a driver reduce the probability of accidents caused by the "vehicle factor"?
7. A spark-ignition petrol engine has high fuel consumption and misfires. Which inspection is relevant to investigating the cause?
8. When checking the oil level with a conventional dipstick, what procedure should you follow?
9. On a conventional 12 V starter battery, whether or not electrolyte maintenance is required, should the terminals be kept clean?
10. Which gears should we drive in to reduce fuel consumption?
11. In a car with an internal-combustion engine, which system carries burnt gases out of the engine?
12. In a combustion-engine car with a conventional alternator, which component generates alternating current that is rectified to direct…
13. In a combustion-engine car with a conventional starter battery, which operation can become harder because cold reduces its ability to…
14. Which part of the cooling system carries the liquid from the engine to the radiator?
15. Which statement about a vehicle’s electrical and electronic system is incorrect?
16. What action should I take to save fuel?
17. In a conventional electric starting system for a combustion engine, what does the starter motor do?
18. In a conventional combustion-engine car with an alternator, what is the main purpose of the electrical charging system?
19. In a manual car under normal conditions, following the manufacturer instructions, which gear is used to begin moving forwards from rest?
20. In a manual-transmission vehicle, what does the clutch allow?
21. Periodically checking the engine oil level mainly serves to:
22. Preventive maintenance of the vehicle is essential…
23. What criterion should you follow to schedule engine-oil filter replacement?
24. In a car with a manual gearbox and conventional Start-Stop, in what situation can it switch the engine off automatically when the…
25. Can a vehicle's cooling system affect its fuel consumption?
26. In a petrol engine with multipoint port fuel injection, where are its injectors located?
27. What should you do before refuelling?
28. As general IDAE efficient-driving guidance, at what engine speed is changing up usually advised in a manual petrol car when conditions…
29. With a normally running, warmed-up combustion engine and no special process such as regeneration underway, what exhaust appearance is…
30. In a traffic jam, a combustion-engine car is expected to remain stopped for a prolonged period. If safe and compatible with manufacturer…
31. If a combustion-engine vehicle emits persistent black exhaust smoke, should its operation be checked?
32. During a safe planned stop exceeding 60 seconds in a combustion-engine car, what does efficient driving recommend if switching off does not…
33. What is the main function of the exhaust silencer in a combustion engine?
34. If the exhaust silencer develops a hole and loses its ability to reduce sound, what effect on noise should be expected?
35. In a combustion engine, what is the intake air filter for?
36. As an efficient-driving measure, if stopped in an outdoor tailback for more than one minute, what can you do to avoid unnecessary idling…
37. In a conventional passenger car, which of these components belongs to the suspension rather than the system transmitting steering-wheel…
38. Besides lubricating parts that rub against one another, what function does engine oil perform?
39. How should you check engine oil level using a dipstick?
40. Which exhaust device reduces certain pollutants through chemical reactions?
41. As general efficient-driving advice for a modern combustion-engine car, how should you start it, following manufacturer instructions?
42. In a combustion engine with a conventional electric starter, which circuit supplies the starter to crank the engine when starting it?
43. In which part of the liquid cooling system is the coolant cooled?
44. For efficient driving, how should you select the gear?
45. It is advisable to have the vehicle's steering checked when...
46. As a general efficient-driving guideline published by the DGT in 2016, at what engine speed is an upshift advised for a diesel car in…
47. In a manual vehicle, when the engine and conditions allow a higher gear without loss of control or straining the engine, what helps save…
48. Can you lose control of the vehicle if you drive with the shock absorbers in poor condition?
49. Does the vehicle's windscreen-washer system require maintenance?
50. Which system reduces engine-part wear from friction using oil?
51. When descending in a manual-transmission car, should you select neutral to save fuel?
52. Before filling the fuel tank, it is necessary to…
53. In a combustion-engine vehicle with manual transmission, when speed, load and road conditions allow, which gear use favours lower…
54. What should be done with the vehicle's used oil?
55. Your vehicle becomes immobilised by an emergency inside a tunnel. Must you wait two minutes before switching off the engine?
56. For efficient driving with a petrol car in normal conditions, how should you move off after starting?
57. In the usual classification of combustion-engine cooling, what are the two main systems according to the medium that removes heat?
58. In a conventional combustion-engine liquid-cooling system, which component primarily generates electricity rather than regulating or…
59. In a car with an oil dipstick, what procedure should you follow to check the level?
60. When carbon in a fuel such as petrol burns completely with oxygen, which gas forms?
61. Does keeping the vehicle in good condition require frequent checks of some of its systems?
62. In a manual-transmission combustion-engine car, which practice can help save fuel without compromising control?