53. D1, D — Structure and terms

45 questions

Practise this topic

  1. 1What is the maximum number of passengers, including the driver’s seat, that a minibus driver has the right to transport?
  2. 2Choose the correct answer.
  3. 3What can result from complete wear of the friction linings of the brake pads?
  4. 4What function does the pressure-limiting valve perform in the pneumatic drive of the front-axle brake system?
  5. 5What is the accelerator valve for in the pneumatic drive of the brake system?
  6. 6Which braking mechanisms are engaged when the mountain brake is activated?
  7. 7What is a receiver?
  8. 8Where does the air go after the brake pedal is released?
  9. 9To which unit is the brake pedal connected in the pneumatic brake system?
  10. 10What is the main advantage of a hydraulic brake system over a pneumatic brake system?
  11. 11Is it allowed to mix coolants of different colours?
  12. 12How will a breach of the brake chamber’s seal on one side manifest itself on the car during braking?
  13. 13How can you use a drop of engine oil to determine that coolant has entered the lubrication system?
  14. 14A category D1 vehicle is considered to be a motor vehicle structurally designed for transporting no more than:
  15. 15The term "public transit vehicle" means:
  16. 16Is it allowed to exceed the engine-oil level during its change?
  17. 17How often is it necessary to drain water from the sedimenter filter on vehicles with diesel engines?
  18. 18Indicate the method for determining the cause of unstable idle speed.
  19. 19Indicate the method for determining the reason the engine does not start when the starter is turning.
  20. 20Indicate the method for determining the cause of a sharp increase in effort on the steering wheel.
  21. 21Indicate the method for determining the cause of excessive wear of the tyres on the steered wheels.
  22. 22Indicate the methods for determining excessive wear of the brake pads on only one side of the car.
  23. 23Name the type of braking system that is most often used in trucks and buses.
  24. 24How do you determine the mounting side of a wheel and tyre with a directional tread pattern?
  25. 25State the main purpose of the ignition system.
  26. 26What is the starter for?
  27. 27In what sequence must the clamps be disconnected from the terminals of the storage battery?
  28. 28What is the engine cooling system for?
  29. 29Why is the use of motor oil necessary?
  30. 30Why is it recommended to change the motor oil in the winter period?
  31. 31From where in a diesel engine’s fuel system must water be periodically drained?
  32. 32What does the valve train include?
  33. 33What main parts does an internal combustion engine consist of?
  34. 34Is an ignition system needed for a diesel engine?
  35. 35What is the clutch needed for in the transmission?
  36. 36What is tyre balancing done for?
  37. 37What types of tyres are there?
  38. 38Does the oil filter need to be replaced when changing the engine oil?
  39. 39What will happen if the engine oil level in the engine is significantly exceeded?
  40. 40Which of the options listed below is a description of engine oil viscosity according to SAE?
  41. 41May one mix coolant of different colours?
  42. 42What is the inter-wheel differential for?
  43. 43What is the danger of incomplete disengagement of the clutch when the clutch pedal is not fully depressed?
  44. 44What does the concept of "the clutch drags" mean?
  45. 45Road trains (vehicle combinations) include: