General Knowledge Test 10 - Crist CDL's Online Testing Center

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General Knowledge Test 10
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You are checking your brakes and suspension system for a pre trip inspection. Which of these statements is true?

a. Brake pads should not have brake fluid on them.

b. One missing leaf in a leaf spring can be dangerous.

c. Brake shoes should be at least 1/32 inch thick.

d. All of the above are true.

You must park on the side of a level, straight, four lane, divided highway. Where should you place the three reflective triangles?

a. One about 50 feet from the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet from the front of the vehicle.

b. One within 10 feet of the front of the vehicle, one about 200 feet from the front, and one about 100 feet to the rear.

c. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet from the front of the vehicle.

d. One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear.

Which of these statements about engine overheating is true?

a. You should never remove the radiator cap on a pressurized system.

b. If your engine overheats within 20 miles of the end of your trip, you should complete the trip and then check the problem.

c. Antifreeze is not needed when the weather is warm.

d. You should never shut off an overheated engine until it cools.

Some traffic emergencies may require you to leave the road. Which of these is a good thing to remember?

a. Brake gently to avoid skidding.

b. Use hard braking if you are moving at a speed greater that 20-mph.

c. If you must leave the road, try to get all wheels off the pavement, or at least one side of vehicles tires off the road.

d. Most shoulders will not support a large vehicle.

When looking ahead of your vehicle while driving you should look:

a. To the left side of the road.

b. To the right side of the road.

c. Back and forth, near and far.

d. Straight ahead.

Which of these items is checked in a pre trip inspection?

a. Whether all vehicle lights are working and are clean.

b. Cargo securement.

c. Wiper blades.

d. All of the above.

The "reaction distance" is the distance traveled from the time:

a. The brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.

b. The eyes see a hazard to the time the brain knows that it is a hazard.

c. The eyes see a hazard to the time the foot pushes the brake pedal.

d. The brake pedal is pressed to the time the brakes begin to slow the vehicle.

Which of these statements about vehicle fires is true?

a. If a trailer is on fire, you should drive fast to put out the flames.

b. A burning tire must be cooled.

c. If cargo in a van or a box trailer catches on fire, you should open the cargo doors as soon as you can.

d. If your engine is on fire, you should open the hood as soon as you can.

Which of these is the most important thing to remember about emergency braking?

a. Never do it without downshifting first.

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

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

d. Will always work and allow you to avoid an emergency.

When driving a commercial vehicle with a height over 13 feet, you should:

a. If you aren’t sure a clearance is high enough, stop and make sure

b. Not worry about the height clearance as long as you stay on the state or federal highways

c. Assume all clearances are high enough

d. All of the above

The Gross Combination Weight (GCW) means the following?

a. The total weight of a powered unit plus trailer(s)

b. The total weight of single plus load

c. The total weight of a powered unit plus trailer(s) plus the cargo.

d. The total weight of single vehicle

Too much weight on the steering axle can cause the following:

a. Hard steering

b. Damage to the tires

c. Damage to the steering axle

d. All the above

Cargo should have at least one tie down for each:

a. 10 feet of cargo

b. 5 feet of cargo

c. 12 feet of cargo

d. 20 feet of cargo

The purpose of a baffle is to:

a. Control the load surge

b. Separate the load

c. To keep expansion of load down

d. None of the above.

The new BAC (Blood Alcohol Concentration) for commercial drivers to be Considered intoxicated when driving a commercial vehicle is:

a. .01

b. .04

c. .05

d. .10

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