22 March 2024 By underratedcollege.com 0

General Knowledge CDL Practice Test (1)

Welcome to your General Knowledge CDL Practice Test (1)

1-) While driving, where should you be looking ahead of your vehicle?

A-) Straight forward at all times

B-)Toward the left side of the roadway

C-) Toward the right side of the roadway

D-) Both far and near, then back and forth

2-) What is the greatest amount of play that should be in your steering wheel?

A-) 1 inch / 10 degrees

B-) 5 inches / 5 degrees

C-) 2 inches / 10 degrees

D-) None

3-) Which of these is not a good rule to follow when caring for injured persons at an accident scene?

A-) Keep injured person cool

B-)Stop heavy bleeding by applying direct pressure to the wound

C-) If a qualified person is helping them, stay out of the way unless asked to assist

D-)Move severely injured a person if there is a danger due to fire or passing traffic

4-) You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?

A-) Brakes shoes should not have oil, grease or brake fluid on them

B-) One missing leaf in a leaf spring can be dangerous

C-) Cracked drums should be replaced

D-) All of these are true: Brakes shoes should not have oil, grease or brake fluid on them, One missing leaf in a leaf spring can be dangerous, Cracked drums should be replaced

5-) To prevent brake fade you should:

A-) Coast down a hill which is not very steep

B-) Select the gear, which will keep your vehicle to a safe speed on a deep downgrade

C-) Apply constant hard pressure on the brakes while driving downhill

6-) What should you do before driving on mountains?

A-) Know escape ramps location on your way

B-) Carry tire chains on your vehicle

C-) Unlock your steering axle brake

7-) Which of these is true about the use of drugs while driving?

A-) Use of amphetamine is allowed if you are using this drug to stay alert

B-) Prescription or non-prescription drugs are allowed at anytime when driving

C-) Prescription drugs are allowed if a doctor says that they will not affect the driving ability

😎 Backing of a commercial vehicle is

A-) Always dangerous

B-) It is not dangerous if you have a helper

C-) It is not dangerous if you don't have to turn

9-) The bridge formula:

A-) Permits less maximum axle weight for the axles that are close together

B-) Permits less maximum axle weight for the axles that are far apart

C-) Permits the same maximum axle weight for any axle

10-) If you are being tailgated, you should:

A-) Increase your following distance

B-) Flash your brake lights

C-) Speed up

D-) Signal to a tailgater when it is safe to pass you

11-) How much space in front of you is needed while driving on a highway?

A-) 1-second for every 10 feet of vehicle length

B-) 1-second for every 20 feet of vehicle length

C-) 1-second for every 30 feet of vehicle length

12-) Which of the following system should receive extra attention during winter weather inspection?

A-) Suspension

B-) Exhaust

C-) Steering

13-) A full stop is required at a railroad crossing when:

A-) The crossing is located in the city or town with a frequent train transit

B-) There are no flagman, warning signals or gate at the crossing

C-) The nature of cargo makes a stop mandatory under the State or Federal regulation

14-) Which of these is correct about notifying the authorities after an accident occurs?

A-) You should notify authorities about an accident before doing anything else

B-) An exact location is not necessary, just identify the road and the vehicles involved

C-) If you have a cellular phone or CB radio, you should notify the authorities before exiting the vehicle

15-) Which of the statements about cargo loading is true?

A-) A state law dictates legal weight limit

B-) If cargo is loaded by the shipper a driver is not responsible for his load

C-) The maximum legal weight allowed by the state is considered safe for all driving conditions

16-) A car suddenly cuts in front of you, creating a hazard. Which of the actions should you NOT take?

A-) Honk your horn and stay close behind the car

B-) Slow down to prevent a crash

C-) Signal and change lanes to avoid it

17-) If a straight vehicle goes into the front-wheel skid, it will:

A-) Slide sideways and spin out

B-) Slide sideways somewhat, but not spin out

C-) Go straight ahead even if the steering wheel is turned

D-) Go straight ahead but will turn if you turn the steering wheel

18-) The tread depth on a front steering wheels tires should be:

A-) Not less than 4/32 inch

B-) More than 6/32 inch

C-) Not less than 2/32 inch

19-) Why might tourists be a hazard?

A-) The drive rented cars

B-) They may move slowly, unexpectedly change lines or stop

C-) Police do not fine them

20-) Which of these can cause a fire?

A-) Under-inflated tires

B-) Loose fuel connection

C-) Electrical short-circuits

D-) All of these: Under-inflated tires, Loose fuel connection, Electrical short-circuits.

21-) When going down a long or steep hill you should always:

A-) Use the braking effect of the engine; Use controlled braking

B-) Use only your trailer brakes

C-) Brake when you exceed "safe speed" by 5 mph

22-) If your vehicle catches fire while you are driving, you should:

A-) Park in an open area

B-) Increase speed to put out the flames

C-) Park where a building or trees shelter your vehicle from the wind

23-) Why does your vehicle speed naturally increase on a downgrade?

A-) Gravity

C-) The engine runs smoother

D-) Lack of traction

24-) Which of these can cause a vehicle to skid?

A-) Turning too sharply

B-) Over-acceleration

C-) All of these: Turning too sharply, Not enough weight on the front axle, Over-acceleration

D-) Not enough weight on the front axle

25-) Cargo inspections:

A-) Are most often not the responsibility of the driver

B-) Should be performed after every break you take while driving

C-) Are needed only if hazardous materials are being hauled

26-) Which of these is true about the proper use of a steering wheel?

A-) If you do not hold a wheel with both hands, it could pull away from you

B-) You should use both hands on the wheel only while attempting a difficult turn

C-) If you have reached a cruising speed on a highway, you can drive with one hand

27-) When do you need a helper to back your vehicle?

A--) Only if you need to park

B-) Whenever you have to back

C-) Only if you have a trailer on your vehicle

28-) Medicine used to treat the common cold:

A-) Often makes you sleepy and should not be used while driving

B-) May still be used while driving if you take half of the regular dose

C-) Should only be used when driving during the daytime

29-) Which vehicle will have the most difficulties staying in its lane during strong wind?

A-) A double with an empty trailer

B-) A triple axle vehicle with cargo

C-) A tractor pulling a loaded flatbed trailer

30-) The center of gravity of a load:

A-) Should be kept as high as possible

B-) Is only a problem if the vehicle is overloaded

C-) If the center of gravity is high, this can cause a rollover on a curve

31-) When driving through a mountainous area, it is necessary to use a lower gear in order to safely descend. Which of these factors does NOT affect your choice of gear?

A-) The length of the downhill

B-) The weight of the load

C-) The tread depth

32-) How the weight of the vehicle affects stopping?

A-) Empty truck takes longer to stop than if loaded, but this is not the normal case for buses

B-) Brakes work the same no matter what the weight of trucks or buses

C-) Fully loaded trucks take longer to stop than empty ones but buses loaded with passengers take less distance to stop than empty ones

33-) Which of these best describes how you should use the brake pedal on a steep downhill?

A-) Light, pumping action

B-) Light, steady pressure

C-) Repeated strong pressure then release

D-) With stronger pressure as the vehicle goes downhill

33-) Which of these statements about driving in areas with strong wind is true?

A-) You should drive alongside other vehicles to help break up the wind

B-) Winds are especially a problem when coming out of tunnels

C-) You can lessen the effects of the wind by letting some air out of tires

D-) The lighter your vehicle, the less trouble you will have with the wind

34-) In bad weather, many car drivers tailgate large vehicles. What should you do?

A-) Increase your following distance

B-) Lightly tap your brakes to warn the tailgater to drop back

C-) Speed up to distance yourself from the tailgater

35-) Which of these is not required knowledge for a driver who needs a hazardous material endorsement?

A-) Basic chemistry

B-) Which products can be loaded together

C-) When to use placards

36-) Where should the ignition key be during the pre-trip inspection?

A-) In the pocket

B-) In the ignition

C-) On the dashboard

D-) On the driver's seat

37-) Which of these statements about backing a heavy vehicle is true?

A-) You should use the helper and communicate with signals

B-) All of these are true: Backing is always dangerous, You should back and turn toward the driver's side whenever possible, You should use the helper and communicate with signals

C-) Backing is always dangerous

D-) You should back and turn toward the driver's side whenever possible

38-) Which of these is NOT something you should do if your headlights are not working properly?

A-) Leave ON your high beams

B-) Clean your headlights

C-) Adjust headlights

39-) 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?

A-) Begin light braking

B-) Begin emergency braking

C-) Quickly steer onto the shoulder

D-) Stay off the brake until the vehicle has slowed down

40-) If you are not sure what to use to put out hazardous materials fire, you should:

A-) Wait for the firefighters

B-) Use dirt

C-) Use water

41-) When driving through a work zone, you should:

A-) Turn on your parking lights

B-) Watch for sharp drop off

C-) Reduce your speed only if workers are close to the roadway

42-) To prevent a load from shifting, there should be at least one tie down for every _____ feet of cargo

A-) 10

B-) 15

C-) 20

43-) High beams should be:

A-) Used when it is safe and legal to do so

B-) Dimmed at the time that you get within 100 feet of another vehicle

C-) Turned on when an oncoming driver does not dim his/her lights

D-) All of these: Used when it is safe and legal to do so, Turned on when an oncoming driver does not dim his/her lights, Dimmed at the time that you get within 100 feet of another vehicle

44-) There are two types of jackknife, they are:

A-) Trailer

B-) Both Trailer and Tractor

C-) Tractor

D-) Wet-road jackknife

45-) Which of the following statements about speed management is true?

A-) Which of the following statements about speed management is true?

B-) If you double your speed, stopping distance will be increased by 4 times

C-) Never follow a vehicle closer than 100 feet

D-) If you double your speed, stopping distance will double

46-) Convex (curved) mirror:

A-) Make objects appear closer than they really are

B-) Make objects appear larger than they really ar

D-) Show a wider area than a flat mirror

47-) You should wear a seatbelt in a moving vehicle:

A-) Only when you are driving

B-) At all times

C-) Only when you are on a highway

48-) Which of these statements about a hazard of the vehicle fire is true?

A-) Poor cargo ventilation may cause cargo to catch fire

B-) Carrying a fully charged fire extinguisher may prevent a fire

C-) An underinflated tire does not cause a vehicle fire

49-) Can state inspectors inspect your truck or bus?

A-) No

B-) Yes, and also they can put you out of service if unsafe

C-) Yes, but cannot put you out of service

General Knowledge CDL Practice Test (1)

Leave a Reply Cancel reply

About Us

Recent Posts

Recent Posts

Contact Us