Test 2 general

Question 0

2) merging onto a road is safest if you:

Answer 0

Wait for a large enough gap in traffic to enter the road

Question 1

1) CDL medical certificates must be renew every:

Answer 1

2 years

Question 2

3) what three things add up to the total stopping distance for your truck or bus?

Answer 2

Perception distance, reaction distance, braking distance

Question 3

4) you are checking your steering and exhaust systems in a pre-trip inspection. Which of these problems, if found, should be fixed before the vehicle is driven?

Answer 3

Steering wheel play of more than 10 degrees ( 2 inches on a 20-inch steering wheel )

Question 4

5) how does vehicle weight affect stopping?

Answer 4

Empty trucks can take longer to stop than if loaded, but this is not normally the case for buses

Question 5

6) when the roads are slippery, you should:

Answer 5

Make turns as carefully as possible

Question 6

7) which of these is not a good rule to follow when caring for injured at an accident scene?

Answer 6

Keep injured persons cool

Question 7

8) you are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blows out on your vehicle. What should you do first?

Answer 7

Stay off the brake until the vehicle has slowed down

Question 8

9) after starting the engine:

Answer 8

The coolant temperature gauge should begin a gradual rise to normal

Question 9

10) you are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?

Answer 9

Use the parking brake to hold he vehicle until the clutch engages

Question 10

11) which of these statements about speed management is true?

Answer 10

When the road is slippery, it will take longer to stop and it will be harder to turn without skidding

Question 11

12) where must you keep shipping papers when transporting hazardous materials?

Answer 11

In a pouch in the driver’s door or on the seat

Question 12

13) you should use your mirrors to check:

Answer 12

Where the rear of your vehicle is while you make turns

Question 13

14) extra care is needed to keep your vehicle centered in your lane because commercial vehicles:

Answer 13

Are often wider than other vehicles

Question 14

15) why is a broken exhaust system dangerous?

Answer 14

Poison fumes could enter the cab or sleeper berth

Question 15

16) which of these statements about causes of vehicle fires is true?

Answer 15

Poor trailer ventilation can cause flammable cargo to catch on fire

Question 16

17) the purpose of retarders is to:

Answer 16

Help slow the vehicle while driving and reduce brake wear

Question 17

18) which of these is especially true about your tires in hot weather?

Answer 17

You should check tire mounting and air pressure before driving

Question 18

19) which of these is usually true about driving in tunnels?

Answer 18

There may be strong winds when exiting

Question 19

20) when driving through work zones, you should:

Answer 19

Watch for sharp pavement drop-offs

Question 20

21) when you are passing another vehicle, pedestrian, or bicyclist, you should assume that:

Answer 20

They may move into your traffic lane

Question 21

22) if you are not sure what to use to put out a hazardous materials fire, you should:

Answer 21

Wait for qualified fire fighters

Question 22

23) what should you do when your vehicle hydroplanes?

Answer 22

Release the accelerator

Question 23

24) which of these is true regarding the use of drugs while driving?

Answer 23

Prescription drugs are allowed if a doctor says drugs will not affect safe driving ability

Question 24

25) which of these statements about brakes is true?

Answer 24

The heavier a vehicle or the faster it is moving, the more heat the breaks have to absorb to stop it

Question 25

26) you are driving a new truck with manual transmission. What gear will you probably have to use to take a long step downhill grade?

Answer 25

A lower gear than you would use to climb the hill

Question 26

27) which of these statements about types of cargo is true ?

Answer 26

Unstable loads such as hanging or livestock can require extra caution on curves

Question 27

28) which of these statements about marking a stopped vehicle is true?

Answer 27

If a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet, the rear reflection triangle should be moved back beyond any hill or curve to give adequate warning

Question 28

29) which of these is true about rear drive wheel braking skids?

Answer 28

On vehicles with trailers, the trailer can push the towing vehicle sideways

Question 29

30) which of these statements about double clutching and shifting is true?

Answer 29

You can use the tachometer to tell you when to shift

Question 30

31) which of these is true about overhead clearance?

Answer 30

The weight of a cargo can change the height of your vehicle

Question 31

32) how far should a driver look ahead of the vehicle while driving?

Answer 31

12-15 seconds

Question 32

33) if you need to leave the road in a traffic emergency, you should:

Answer 32

Avoid braking until your speed has dropped to about 20 mph

Question 33

34) which of these statements about backing a heavy vehicle is not true?

Answer 33

Because you can’t see, you should back slowly until you slightly bump into the dock

Question 34

35) which of these cannot be checked at the same time?

Answer 34

Turn signals, brake lights, and four-way flashers

Question 35

36) which of these is correct about emergency or evasive action?

Answer 35

In order to turn quickly, you must have a firm grip on the steering wheel

Question 36

37) you are driving a vehicle that could safely be driven at 55 mph on an open road. But traffic is now heavy, moving at 35 mph though the speed limit is 55. The safest speed for your vehicle is most likely:

Answer 36

35 mph

Question 37

38) according to the commercial driver supplement, why should you limit the use of your horn?

Answer 37

It can startle other drivers

Question 38

39) which of these is true about bad weather and driving conditions?

Answer 38

When the temperature drops, bridges will freeze before roads will

Question 39

40) to determine blood alcohol concentration ( BAC ) for a person, it is necessary to know:

Answer 39

How much the person weighs

Question 40

41) which of these happens when a tire blows out at highway speed?

Answer 40

A vibrating feeling

Question 41

42) you are driving a 50 foot vehicle at 35 mph. The road is dry and visibility is good. What is the least amount of space that you should keep in front of your vehicle to be safe?

Answer 41

4 seconds

Question 42

43) truck escape ramps:

Answer 42

Help avoid damage to vehicles

Question 43

44) when hydraulic brakes fail while driving the system won’t build up pressure and the brake pedal will feel spongy or go to the floor. What action should you take?

Answer 43

Pump the brake pedal to generate pressure

Question 44

45) which of these items in not checked in a pre-trip inspection?

Answer 44

Amount of fuel in the vehicle

Question 45

46) which of these system should receive extra attention during a winter weather inspection?

Answer 45

Exhaust

Question 46

47) the total weight for a powered unit, the trailer, and the cargo is called:

Answer 46

Gross combination weight

Question 47

48) you are driving a long vehicle that makes wide turns. You want to turn left from one street to another. Both are two-lane, two-way streets. You should:

Answer 47

Begin turning your vehicle when you are halfway through the intersection

Question 48

49) which statement is true?

Answer 48

Many heavy vehicle accidents occur between midnight and 6 am.

Question 49

50) controlled braking:

Answer 49

Is used to keep a vehicle in a straight line when braking