CDL GENERAL KNOWLEDGE TEST V2

Question 1

Where must you keep shipping papers when transporting hazardous materials?

a. Under the drivers seat

b. In the glove compartment, which must be locked

c. In a pouch on the drivers door or on the seat

Answer 1

c. In a pouch on the drivers door or on the seat

Question 2

Where or how is cargo blocking used?

a. Loosely around the cargo

b. In the front, back, and/or sides of the cargo

c. From the upper part of the cargo to the floor

Answer 2

b. In the front, back, and/or sides of the cargo

Question 3

Which is especially true about your tires in hot weather?

a. A small amount of air should be let out so air pressure remains steady

b. If a tire is too hot to touch, you should hose it down with water

c. You should check tire mounting and air pressure before driving

Answer 3

c. You should check tire mounting and air pressure before driving

Question 4

If you have a heavy load that is slowing you down on an upgrade, you should:

a. Exit the road until traffic is lighter

b. Drive on the shoulder so others can pass easily

c. Shift into a lower gear

Answer 4

c. Shift into a lower gear

Question 5

You are driving a vehicle at 55 mph on dry pavement, how much total stopping distance will you need to bring it to a stop?

a. The length of a football field (120 yards)

b. Half the length of a football field

c. Twice the length of the vehicle

Answer 5

a. The length of a football field

Question 6

On which fires can you use water?

a. Gasoline

b. Tire

c. Electrical

Answer 6

b. Tire

Question 7

Which is important to remember about emergency braking?

a. Never do it without downshifting first

b. If the wheels are skidding, you cannot control the vehicle

c. Disconnecting the steering axle brakes will keep your vehicle in a straight line

Answer 7

b. If the wheels are skidding, you cannot control the vehicle

Question 8

According to the CD Handbook, why should you limit the use of your horn?

a. It reduces air pressure needed to stop vehicles with air brakes

b. It can startle other drivers

c. You should keep both hands on the steering wheel at all times

Answer 8

b. It can startle other drivers

Question 9

You are checking your tires during a pre trip inspection. Which statement is true?

a. A 2/32 inch tread depth is safe for the front tires

b. Radial and bias-ply tires can be used together on the same vehicle

c. Tires of mismatch sizes should not be used on the same vehicle

Answer 9

c. Tires of mismatch sizes should not be used on the same vehicle

Question 10

When driving through roadway work zones, you should:

a. Turn on your parking lights

b. Watch for sharp pavement drop offs

c. Reduced speed only if workers are close to the roadway

Answer 10

b. Watch for sharp pavement drop offs

Question 11

Retarders:

a. Allow you to disconnect the steering axle brakes

b. Cannot be used on interstate highways

c. Can cause the drive wheels to skid when they have poor traction

Answer 11

c. Can cause the drive wheels to skid when they have poor traction

Question 12

Which statement is true about double-clutching and shifting?

a. You can use the tachometer to tell you when to shift

b. Double-clutching should only be used with a heavy load

c. Double-clutching should not be used when the road is slippery

Answer 12

a. You can use the tachometer to tell you when to shift

Question 13

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 is a good rule to follow when putting the vehicle back in motion?

a. Keep the clutch slipping while slowly accelerating

b. Let the vehicle roll backwards a few feet before engaging the clutch

c. Use the parking brake to hold the vehicle until the clutch engages

Answer 13

c. Use the parking brake to hold the vehicle until the clutch engages

Question 14

Which statement is true about cargo types?

a. Tank vehicles used to transport liquids should always be fully loaded

b. Oversized loads can be transported without special permits when roads are not busy

c. Unstable loads (livestock, hanging meat, etc) require extra caution on curves

Answer 14

c. Unstable loads (livestock, hanging meat, etc) require extra caution on curves

Question 15

Which is a good thing to do when you steer to avoid a crash?

a. Apply the brakes while turning

b. Avoid counter steering

c. Don’t turn the steering wheel anymore than needed

Answer 15

c. Don’t turn the steering wheel anymore than needed

Question 16

What should you do when your vehicle hydroplanes?

a. Release the accelerator

b. Accelerate slightly

c. Start stab braking

Answer 16

a. Release the accelerator

Question 17

You will be placed out-of-service for 24 hours if your blood alcohol concentration (BAC) is:

a. Any detectable amount below .04%

b. At least .02%

c. At least .04%

Answer 17

c. At least .04%

Question 18

You are driving a vehicle at 35 mph. The speed limit is 55 mph. The safest speed for the vehicle is…..

a. 45 mph

b. 25 mph

c. 35 mph

Answer 18

c. 35 mph

Question 19

Which statement is true about cold weather driving?

a. An engine cannot overheat when the weather is very cold

b. Exhaust system leaks are less dangerous in cold weather

c. Windshield washer antifreeze should be used

Answer 19

c. Windshield washer antifreeze should be used

Question 20

You DO NOT have a HAZMAT endorsement on your CDL. You may drive a vehicle transporting hazardous materials when:

a. The GVWR is 26,001 pounds or less

b. A person with a HAZMAT endorsement rides with you

c. The vehicle does not require placards

Answer 20

c. The vehicle does not require placards

Question 21

Which of the following is NOT a type of retarder?

a. Robotic

b. Electric

c. Hydraulic

Answer 21

a. Robotic

Question 22

As the Blood Alcohol Concentration (BAC), goes up, what happens?

a. Judgement and self control are affected

b. The effects of alcohol decrease

c. The drinker can clearly see how alcohol is affecting him/her

Answer 22

a. Judgement and self control are affected

Question 23

Which is NOT a part of the engine compartment pre-trip inspection?

a. Checking for worn electrical wiring insulation

b. Engine oil level

c. Valve clearance

Answer 23

c. Valve clearance

Question 24

Which of the following is true about overhead clearance?

a. You should assume posted clearance signs are correct

b. If the road surface causes your vehicle to tilt toward the edge of the road, you should drive close to the shoulder

c. The weight of a vehicle changes its height

Answer 24

c. The weight of a vehicle changes its height

Question 25

For your safety, when you place your reflective triangles you should: a. Hold the triangles with the reflective side toward the oncoming traffic b. Carry the triangles at your side c. Keep them out of sight while you walk to the locations where you will place them

Answer 25

a. Hold the triangles with the reflective side toward the oncoming traffic

Question 26

Which statement is true about engine overheating? a. Never remove the radiator cap on a pressurized system until the system has cooled b. Anti-freeze is not needed when the weather is warm c. Never shut off an overheated engine until it cools

Answer 26

a. Never remove the radiator cap on a pressurized system until the system has cooled

Question 27

Which of these happens when a tire blows out at highway speeds? a. A hissing sound b. A vibrating feeling c. A rapid drop in speed to less than 20 mph

Answer 27

b. A vibrating feeling

Question 28

Which statement is true about other drivers? a. Drivers using turn signals can be trusted to turn in the direction they indicate b. Short term or daily rental truck drivers are often not used to the limited vision and pose a hazard c. Mail or deliverer drivers do not pose a hazard

Answer 28

b. Short term or daily rental truck drivers are often not used to the limited vision and pose a hazard

Question 29

To correct a drive-wheel braking skid, you should: a. Increase braking, turn quickly, and counter steer b. Stop braking, turn quickly, and counter steer c. Stop braking

Answer 29

c. Stop braking

Question 30

Which is not true about backing a heavy vehicle? a. You should back slowly until you slightly bump into the dock b. You should use a helper and communicate with hand signals c. You should back and turn toward the drivers side whenever possible

Answer 30

a. You should back slowly until you slightly bump into the dock

Question 31

Which statement is true about warning other drivers of a stopped vehicle? a. Put out your emergency warning devices within 5 minutes b. Move the rear reflective triangle back if the driver’s vision is obscured c. Keep the vehicle’s tail lights on to warn other drivers

Answer 31

b. Move the rear reflective triangle back if the driver’s vision is obscured

Question 32

Whenever you double your speed, it will take about ___ times as much distance to stop: a. Three b. Four c. Two

Answer 32

b. Four

Question 33

When driving at night you should: a. Adjust your speed to keep your stopping distance within your sight distance b. Dim your lights within 300 feet of an oncoming vehicle c. Look to the left side of the road when a vehicle is coming towards you

Answer 33

a. Adjust your speed to keep your stopping distance within your sight distance

Question 34

To prevent brake “fade” you should: a. Coast down hills that are not very steep inclines b. Select a gear which will keep your vehicle to a safe speed on steep downgrades c. Apply constant hard pressure on the brakes when driving downhill

Answer 34

b. Select a gear which will keep your vehicle to a safe speed on steep downgrades

Question 35

Which statement is true about bad weather driving conditions? a. Driving conditions become more dangerous as the temperature rises b. When the temperature drops, bridges will freeze before roads c. The road is more slippery as rain continues than when rain begins

Answer 35

b. When the temperature drops, bridges will freeze before roads

Question 36

Which statement is not true? a. A drinker can control how fast his or her body absorbs and gets rid of alcohol b. BAC is determined by how fast you drink, how much you drink, and how much you weigh c. Alcohol goes directly from the stomach to the blood stream

Answer 36

a. A drinker can control how fast his or her body absorbs and gets rid of alcohol

Question 37

When you must leave the road to avoid a hazard or emergency, you should keep in mind that a. You may be unstable to re-enter the road b. Most shoulders are not strong enough to support the weight of a large vehicle c. It is less dangerous to drive onto the shoulder than to risk a collision

Answer 37

c. It is less dangerous to drive onto the shoulder than to risk a collision