ELDT 1

Question 1

If you have to drive off the road in an emergency, you should:

Accepted Answer

All of the above.

Answer

If at all possible, keep one pair of wheels on the pavement.

Answer

As soon as your car has stopped, try to remain on the shoulder.

Answer

Do not apply the brakes until you have reduced your speed.

Question 2

Air brakes operate when the brake pedal is pushed:

Accepted Answer

after a little interval.

Answer

solely when ABS is functioning.

Answer

following roughly fifteen seconds

Answer

right away.

Question 3

It is customary to indicate your intention to turn at least ____ before making a lane change.

Accepted Answer

100 feet

Answer

250 feet

Answer

75 feet

Answer

50 feet

Question 4

How do you move forward on a hill without rolling back?

Accepted Answer

Before releasing the right foot from the brake, partially engage the clutch; use the parking brake if needed.

Answer

Before you have enough engine power to prevent rolling back, release the parking brake.

Answer

Even if you have to roll back a little, put your foot down on the throttle pedal.

Answer

None of the above

Question 5

In the event that the air brake system's safety relief valve opens:

Accepted Answer

There's a problem.

Answer

The valve is working well.

Answer

This will give the brakes greater force.

Answer

this will supply more power to the drive wheels.

Question 6

When you stop midway on your journey to rest, make sure to check:

Accepted Answer

tires, brakes, lights and cargo securement devices.

Answer

indicators of potential problems.

Answer

heater, defroster and windshield wiper blades.

Answer

exhaust pipes missing.

Question 7

It is necessary to fully empty the air tanks in order to remove:

Accepted Answer

water and oil.

Answer

air.

Answer

the radiator cap.

Answer

carbon monoxide.

Question 8

Holding on to the emergency brakes requires:

Accepted Answer

mechanical force.

Answer

dynamic pressure.

Answer

hydraulic pressure.

Answer

air pressure.

Question 9

There are no spring brakes on older trailers. Should the air supply disappear:

Accepted Answer

The emergency brakes will not be functioning.

Answer

It will stop the trailer normally.

Answer

The ABS won't function correctly.

Answer

All of the above.

Question 10

The fastest way to know that your trailer is beginning to skid is:

Accepted Answer

by hearing squeaking noises from the wheels.

Answer

by examining your rearview mirror.

Answer

by releasing the brakes.

Answer

by checking the jackknife sensor.