Cdl General Knowledge Test #1

Front 1

1. What is the most important reason for doing a pre trip inspection?

Back 1

Safety for yourself and others road user.

Front 2

2. It is a good idea for drivers to try to help out others by signaling when it is safe for them to pass.

Back 2

False

Front 3

3. How many red reflective triangle should you carry?

Back 3

3

Front 4

4. Why put the starter switch key in your pocket during the pre trip inspection?

Back 4

So no one moves the vehicle while you are inspecting underneath it.

Front 5

5. Hazmat placards are used to help prevent terrorism.

Back 5

False

Front 6

6. Is stopped on a hill how can you start moving without rolling back?

Back 6

Partly engage the clutch before you take your right foot off the brake.

Front 7

7. Which of the following statements is False.

Back 7

Gross Combination Weight (GCW).The total weight of a power unit plus trailer.

Front 8

8. What must you check before transporting a sealed load?

Back 8

The load is properly secured.

Front 9

9. Wet roads can double you're stopping distance.

Back 9

True

Front 10

10. How do you find out how many seconds of following distance space you have?

Back 10

Wait until the vehicle ahead passes a clear landmark, then jump off the seconds until you reach the same spot.

Front 11

11. What is a hazard?

Back 11

A hazard is any road condition or other vehicle that is a possible danger.

Front 12

12. Why should you be in the proper gear before starting down a hill?

Back 12

You will not be able to shift into a lower gear once you are going down the hill.

Front 13

13. When driving in heavy traffic, driving at a speed below the limit is the safest thing to do

Back 13

False

Front 14

14. What is an advantage of going right instead of left around an obstacle?

Back 14

If you are blocked on both sides, a move to the right will not force anyone into an opposing traffic lane and a possible head on collision.

Front 15

15. What can you do at an accident scene to prevent another accident?

Back 15

All of the above.

Front 16

16. Which of the following is not a common cause of vehicle fires?

Back 16

Loose air lines.

Front 17

17. Retarders keep you from skidding when the road is slippery.

Back 17

False.

Front 18

18. how far a head does the manual say you should look while driving?

Back 18

12 to 15 seconds, at highway speeds it's about a quarter of a mile.

Front 19

19. What are the two main things to look for ahead while driving?

Back 19

Traffic and road conditions.

Front 20

20. If you go twice as fast, your stopping distance increases by how many times?

Back 20

Four.

Front 21

21. Road rage is operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle.

Back 21

True.

Front 22

23. Empty trucks have the best braking.

Back 22

False.

Front 23

23. Name some suspension system defects.

Back 23

All of the above. for
Broken levers and leaf springs.
Cracked or broken spring hangers.
Leaking shock absorbers.

Front 24

24. Vehicle equipped with antilock brakes (ABS), break faster than vehicles without ABS.

Back 24

False.

Front 25

25. What three kinds of emergency equipment must you have?

Back 25

Fire extinguisher, spare electrical fuses, warning devices for parking vehicle.

Front 26

26. If a tire blows out, you should put the brakes on hard to stop quickly.

Back 26

False.

Front 27

27. Name two causes of tire fires?

Back 27

Under-inflated tires and duals that touch.

Front 28

28. When using your fire extinguisher, you should get as close as possible to the fire?

Back 28

False.

Front 29

29. Empty trucks have the best braking.

Back 29

False.

Front 30

30. If you are driving a 30 foot vehicle at 55 mph, how many seconds of following distance should you allow?

Back 30

4 seconds.

Front 31

31. If a tire blows out you should put the brakes on hard to stop quickly.

Back 31

False.

Front 32

32. You should let air out of hot tires so the pressure goes back to normal.

Back 32

False.

Front 33

33. A quick turn to avoid a collision can be made safely as long as the brakes are applied at the same time.

Back 33

False.

Front 34

34. What is black ice?

Back 34

A thin layer of ice that is clear enough that you can see the road underneath it. It makes the road look wet.

Front 35

35. Name some important steering system parts?

Back 35

Tie rod, spindle, pitman arm.

Front 36

36. What is the minimum tread depth for tires other than the front tires?

Back 36

2/32

Front 37

37. ABS brake systems are good because they help prevent power or turning skids.

Back 37

False.

Front 38

38. Coffee and a little fresh air will help a driver sober up.

Back 38

False.

Front 39

39. What is the minimum number of tie downs for any flatbed load?

Back 39

Two.

Front 40

40. Name some things you should check on the front of your vehicle during the walk-around inspection?

Back 40

Low beam, high beams, four-way flashers, turn signals.

Front 41

41. You should decrease your following distance of somebody is following you too closely.

Back 41

False.

Front 42

42. How do you test hydraulic brakes for leaks?

Back 42

Pump the brake pedal three times, apply firm pressure for 5 seconds, the pedal should not move.

Front 43

43. What are two special conditions where you should downshift?

Back 43

Before starting down a hill and before entering a curve.

Front 44

44. What effects can wet brakes cause?

Back 44

All of the above. for
Can cause brakes to apply unevenly.
Can cause lack of braking power.
Can cause pull into one side or the other.

Front 45

45. Of all the space around your vehicle, the space behind the vehicle is the most important.

Back 45

False.

Front 46

46. How can you avoid the effects that wet brakes can cause?

Back 46

All of the above. for
Slow down.

Gently put on the brakes. This presses linings against brake drums or discs and keeps mud, silt, sand and water from getting in.
Place transmission in a low gear.

Increase engine rpm and cross the water while keeping light pressure on the brakes.

When out of water, maintain light pressure on the brakes for a shorter distance to heat them up and dry them out.

Front 47

47. Name two situations where legal maximum weight may not be safe to haul?

Back 47

During bad weather or in mountains.

Front 48

48. Name the two basic reasons for covering cargo on an open bed?

Back 48

To protect people from spilled cargo
and to protect the cargo from weather.

Front 49

49. What things should you check during a trip

Back 49

Watch gauges, mirrors, use your senses to check for problems. Look, listen, and smell.

Front 50

50. What is the minimum tread depth for front tires?

Back 50

4/32

Front 51

51. When backing why is it important to use a helper?

Back 51

Because there are blind spots you can not see.

Front 52

52. What is the most important hand signal that you and the helped should agree on?

Back 52

Stop.

Front 53

53. What three things add up to total stopping distance

Back 53

Preperation distance + reaction distance + braking distance.

Front 54

54. Engine speed and rhod bead are the two best way to know when to

Back 54

True.

Front 55

55. Where should your reflectors be placed when stopped on a divided highway?

Back 55

10 feet, 100 feet, 200 feet towards the approaching traffic.

Front 56

56. What factors determine your selection of a safe speed when going down a long steep downgrade?

Back 56

Total weight of the vehicle and cargo, length of the grade, steepness of the grade, road conditions, weather.

Front 57

57. Not enough weight on the tandem trailer axle can cause front wheel skids.

Back 57

False.

Front 58

58. For what three things related to cargo are drivers responsible

Back 58

Inspecting your cargo, recognizing overloads, properly secured cargo.

Front 59

59. What is a hazardous material placards?

Back 59

Signs put on the outside of the vehicles which identifies the hazard class of the cargo.

Front 60

60. Why it makes emergency plans when you see a hazard?

Back 60

You will have more time to act if you see hazards before they become emergencies.

Front 61

61. What is a pull-up?

Back 61

Pulling forward while backing a trailer to reposition it.

Front 62

62. For a cargo fire in a van or box trailer, your first action should be to open the trailer doors.

Back 62

False.

Front 63

63. Brake hard enough to feel a slowdown, when your speed has been reduced to 5 mph below your safe speed, release the brakes. When your speed has increased to your safe speed, repeat these steps.

Back 63

This is the procedure for coming down long steep grades.

Front 64

64. What is hydroplaning?

Back 64

When tires lose their contact with the road and have little or no traction due to water on the road.

Front 65

65. What is an escape ramp?

Back 65

A ramp leading to a long bed of loose soft material to slow a runaway vehicle, sometimes in combination with an upgrade.

Front 66

66. What should wheel-bearing Seals be checked for?

Back 66

Leaks.

Front 67

67. The most common skid is one in which the drive wheels lose traction through excessive breaking or acceleration.

Back 67

Ture.

Front 68

68. Stopping is not always the safest thing to do in an emergency.

Back 68

True.

Front 69

69. Common medicines for cold can make you sleepy.

Back 69

True.

Front 70

70. How often must you stop while on the road to check your cargo

Back 70

Within 25 miles after beginning a trip, after every break, and every 3 hrs 150 miles.