Take New York CDL Air Brakes Test 1

QUESTION 1 / 25

Which of the following is not a part of an air brake system?

Choose one answer below.

AA service brake system✓BA parking brake system✓CAn emergency brake system✓DAn axle brake system✓

QUESTION 2 / 25

If the low pressure warning signal activates while you are driving, you should:

Choose one answer below.

AContinue driving normally.✓BExit the road and park as soon as safely possible.✓CStop where you are and park.✓DPut on your hazard lights and continue driving.✓

QUESTION 3 / 25

Dollies equipped with ABS are required to have malfunction lamps located where?

Choose one answer below.

AOn the rear✓BOn the left side✓COn the front✓DOn the top✓

QUESTION 4 / 25

When only the tractor is equipped with an Anti-Lock Braking System (ABS):

Choose one answer below.

AThere is a decreased risk of jackknifing.✓BThere is an increased risk of jackknifing.✓CThe brakes will not work as effectively as they would without ABS.✓DThe brakes will become more sensitive.✓

QUESTION 5 / 25

What color are ABS malfunction lamps?

Choose one answer below.

AOrange✓BYellow✓CGreen✓DBlue✓

QUESTION 6 / 25

During a static leakage test, the maximum leakage rate for a double combination vehicle is:

Choose one answer below.

A3 psi in one minute.✓B6 psi in one minute.✓C8 psi in one minute.✓D4 psi in one minute.✓

QUESTION 7 / 25

Applying the brake pedal causes air pressure to activate an electric switch and:

Choose one answer below.

ATurn off the brake lights.✓BTurn on the low pressure warning light.✓CTurn on the brake lights.✓DTurn off the low pressure warning light.✓

QUESTION 8 / 25

The air compressor governor controls:

Choose one answer below.

AWhen the air compressor pumps air into the air storage tanks.✓BHow fast air is pumped into the air storage tanks.✓CThe temperature of air pumped into the air storage tanks.✓DThe speed of the vehicle.✓

QUESTION 9 / 25

What can happen if a parking brake is used in very wet weather when temperatures are below freezing?

Choose one answer below.

AThe brakes will squeak.✓BThe brakes may freeze so the vehicle cannot move.✓CThe brakes may suddenly release by themselves.✓DThe brakes may explode.✓

QUESTION 10 / 25

If the spring brakes are activated, you should never:

Choose one answer below.

APush down the brake pedal.✓BOpen the hood.✓CRelease air from the air storage tanks.✓DOpen the door to the cab.✓

QUESTION 11 / 25

The air entering air storage tanks may contain:

Choose one answer below.

AWater and compressor oil.✓BFrost.✓CGravel.✓DAntifreeze.✓

QUESTION 12 / 25

How is water and compressor oil removed from the bottom of an air storage tank?

Choose one answer below.

AThe water and oil are siphoned out of the tank.✓BA drain valve is opened to remove the water and oil from the tank.✓CThe water and oil are removed automatically as the brakes are used.✓DA sponge is used to soak up the water and oil.✓

QUESTION 13 / 25

While driving, spring brakes are generally held in place by:

Choose one answer below.

AAir pressure.✓BChocks.✓CFoundation brakes.✓DSturdy ties.✓

QUESTION 14 / 25

To use the stab braking method in an emergency situation, you should:

Choose one answer below.

AApply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process.✓BApply the brakes about halfway, but keep the wheels rolling.✓CFully apply the brakes, let the wheels lock up, and hold the brake pedal down, keeping the wheels locked until the vehicle stops.✓DApply the emergency brake.✓

QUESTION 15 / 25

When operating a vehicle with a dual brake system, a driver should:

Choose one answer below.

ALet the vehicle warm up before driving to ensure that fuel reaches the engine.✓BWait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.✓CBegin driving just after the vehicle starts.✓DPump the pedal about 20 times to build pressure, then begin driving.✓

QUESTION 16 / 25

A one-way check valve:

Choose one answer below.

ADrains the water and compressor oil from the air tanks.✓BPrevents air from escaping if the air compressor has a leak.✓CActivates the emergency brakes when there is a leak.✓DHolds the spring brakes in position until they are used.✓

QUESTION 17 / 25

If using air tanks with manually operated drains, how often should you drain the tanks?

Choose one answer below.

AEvery day✓BOnce a week✓COnce a month✓DOnce every 3,000 miles✓

QUESTION 18 / 25

Truck tractors with air brakes built on or after March 1, 1997 must have:

Choose one answer below.

AAn Anti-Lock Braking System (ABS).✓BBluetooth.✓CGPS.✓DA rear back-up camera.✓

QUESTION 19 / 25

Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:

Choose one answer below.

AAn extra set of brakes.✓BVoice-activated brakes.✓CCruise control.✓DAnti-Lock Braking Systems (ABS).✓

QUESTION 20 / 25

To inspect slack adjusters on S-cam brakes, you need to:

Choose one answer below.

APark on a hill and test the brakes.✓BPut on gloves and push in the slack adjusters.✓CRemove the drum and look inside.✓DChock the wheels and disengage the parking brake.✓

QUESTION 21 / 25

On a truck with air brakes, the braking system’s air compressor:

Choose one answer below.

APumps air into the air storage tanks.✓BFills the tires.✓CMoves air to the back of the truck.✓DCleans the brakes.✓

QUESTION 22 / 25

How many air storage tanks are used in an air brake system?

Choose one answer below.

ATwo tanks✓BFour tanks✓CSix tanks✓DThe number varies.✓

QUESTION 23 / 25

When using the controlled braking method in an emergency situation, you should:

Choose one answer below.

AApply the brakes as hard as possible without locking the wheels.✓BApply the brakes with about half of your usual force.✓CApply the brakes so the wheels lock.✓DApply the brakes with minimal pressure.✓

QUESTION 24 / 25

Test the low pressure warning signal:

Choose one answer below.

AOnce a month.✓BOnce a week.✓CTwice a week.✓DBefore every trip.✓

QUESTION 25 / 25

Before starting down a hill, be sure to:

Choose one answer below.

AAccelerate.✓BSwitch into a high gear.✓CSound your horn.✓DSwitch into a low gear.✓