CDL General Knowledge

Question 1

Next

Answer 1

Step three of the seven step inspection method is start engine and inspect inside the cab. This step involves each of the following tasks except?

Starting the engine, then putting the gearshift in neutral

Question 2

A top heavy load is dangerous because it can cause
Damage to the axles were staring.
A rollover on a curve
A roll over if you swerve around a hazard.

Answer 2

I

Question 3

The aggregate working load limit of your cargo tiedowns must be at least ____________the weight of the cargo?

One half

Answer 3

What is the gross vehicle weight (GVW) ?

The total weight of a single vehicle and it slowed

Question 4

An A: B: C: type fire extinguisher is designed to work on which type of fires
Wood, paper, Cloth.
Gasoline.
Electrical
Actual answer (all of the above)

Answer 4

Which of these is not part of the seven step inspection method?

Answer step 3. Do a walk around inspection

Question 5

What three things related to cargo are the drivers responsibility?

Inspecting the cargo, recognizing overload, I am properly securing the cargo.

Answer 5

Hydroplaning,

is more likely to happen will try her pressure is low

Question 6

Under loaded front axle can cause

Poor traction and damage to the tires. Too much play in the steering well.

Actual answer both of the above

Answer 6

Which of these statements is true about causes of vehicle fires?

Poor trailer ventilation can cause flammable cargo to catch fire

Question 7

Which of the following should you not do in the event of hydraulic brake failure?

Answer shift up

Answer 7

What is the main difference between a cargo tank in a portable tank? Answer all of the above

Permanent attachment Vs temporary attachment

Whether the name of the owner or lessee must be shown

Being field on the vehicle versus being off the vehicle

Question 8

Which of the following is true about a dual air brake system? Answer all of the above
It uses a single set of brake controllers.

one system is called the primary system the other is called secondary system.

Usually, one system operates the front axle and the other system operates the rear axle

Answer 8

The purpose of supply pressure gauge is?

To tell you how much air is in the tank.

Question 9

Which of the following is not part of the breaking process when driving a tractor trailer combination vehicle with an anti-lock brake system (ABS) ?
Stupid question stupid answer

You should drive more quickly so that you will be able to keep the trailer and tractor straight

Answer 9

The modulating control valve allows you to control the?

Answer spring break

Question 10

Excessive use of the service brake results in overheating, which can lead to?
Answer expansion of the brake drums

Answer 10

Airbrake equipped vehicles have?

Answer an air supply pressure gauge

Question 11

You want to hook your combination to a second trailer that has no spring breaks. To do this without wheel chocks, you should?
Answer supply air to the trailer air system with the tractor and then disconnect the emergency line

Answer 11

Liquid tight separators between compartment inside tanks or called? Answer bulkheads

Question 12

What structure supporting the fifth wheel skid plate should be checked for cracks or breaks?
Answer platform

Answer 12

If worn, what can cause excessive heat buildup from a reduced ability to absorb and dissipate heat, possibly leading to loss of break response?

Answer brake drum/linings

Question 13

What, if loose or missing, may cause movement between the frame in the fifth wheel assembly?

Answer locking pins

Answer 13

Trucks and buses are subject to certain laws, restrictions, and regulations. Which of these statements are true?

Answer laws and restrictions can vary from place to place

Question 14

What should be fully engaged with no missing pins in the sliding mechanism of the sliding fifth wheel? Answer locking pin

Answer 14

You were looking for puddles on the ground and dripping fluid on the underside of the engine or transmission what are you looking for? Answer leaks

Question 15

The liquid in a tank with baffles and still have what kind of search?
Answer side to side

Answer 15

You were hauling hazardous materials, the road crossing is ahead of you. When you stop for the Crossing, you can stop within 50 feet of the nearest rail? Answer 50 feet of the nearest wheel

Question 16

The transport index of radioactive material?

Indicates the degree of control needed during transportation

Answer 16

Which of the following most drivers have in your possession while transporting class C or class B explosives?

Answer the written route plan

Question 17

Identification numbers or preceded by the letters UN & NA are associated with proper shipping names that are used where?

Within the United States and from Canada

Answer 17

Class a explosives may not be transported in a combination vehicle if the vehicle includes? Answer a placard cargo tank

Question 18

Your engine runs a pump when you are delivering compressed gas. When should you turn off your engine? Answer turn it off before unhooking the hose

Answer 18

What are the two main places on which the hazardous materials I deafly identification number appears?

Answer the shipping papers and the package

Question 19

Trucks and buses are subject to certain laws, restrictions, and regulations. Which of these statements is true?
Answer laws and restrictions can vary from place to place

Answer 19

You must park on the side of a level, straight, 2 Lane Rd. Where should you please three elective triangles? Answer one within 10 foot of the rear of your vehicle, one within 100 feet to the rear, and one about 100 feet in front of the vehicle.

Question 20

When roads are slippery, you should?

Make turns as queer careful as possible.

Answer 20

The reaction distance is the distance traveled from the time? Answer the brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal