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Air Brake Manual Chapter 2

Generate an image showing a detailed diagram of an air brake system in a vehicle, with labels highlighting key components such as the compressor, brake chambers, and connections.

Air Brake System Quiz

Test your knowledge of air brake systems and their components with our comprehensive quiz! This quiz consists of 18 multiple-choice questions designed to challenge your understanding of the principles and mechanics involved in air brake operation.

In this quiz, you will cover topics such as:

Energy conversion
Friction and stopping power
Torque requirements
Braking distances

18 Questions4 MinutesCreated by RunningBrake101

To move a vehicle, an internal combustion engine must convert its ______ energy to ______ energy.

Mechanical, heat

Heat, mechanical

Traction, friction

Friction, traction

What is the force which resists movement between two surfaces in contact with each other?

Friction

Heat

Traction

Energy

After the engine converts the energy of heat into the energy of motion, what must the breaks do to stop the vehicle?

Convert the energy of motion back into the energy of heat.

Create friction with the road.

Turn the energy of heat back into the energy of motion.

Generate traction and turn it into energy of motion.

250° is the optimal temperature for brake linings to operate under, as it prevents overheating.

True

False

In addition to the factors of energy, heat, and friction, what else influences a vehicle's ability to stop?

Weight and tire size

Speed and weight

Speed and weather conditions

Driver condition and wind resistance

When a vehicle's speed and weight are doubled, what is the stopping power increased by in order to stop?

5 times

4 times

8 times

6 times

If a lever is placed on a fulcrum with a ratio of 4:1 and downward force applied at A, how much upward force will be generated at B?

40 kg

1000 kg

400 kg

150 kg

What kind of power do both of these diagrams utilize?

The use of air

Leverage

Force

Centrifugual force

What creates pressure, which is then used to gain mechanical advantage?

Resistance

Compression

Heat

Weight

The larger the space into which air is squeezed, the greater the air's resistance to being squeezed.

True

False

If compressed air of 120 psi acts on a diaphragm of 30 square inches, how much force is produced? (by what equation?)

4 lb. Of force (120÷30)

14 400 lb. Of force (120 x 120)

3600 lb. Of force (120 x 30)

900 lb. Of force (30 x 30)

If 2000 lb. Of force is applied to a push rod to move a 6" slack adjuster operating a cam, what is the total force in inch pounds torque?

12 000 inch pounds torque (2000 x 6)

2000 inch pounds torque (2000 x 1)

330 inch pounds torque (2000 ÷ 6)

21 600 inch pounds torque (3 600 x 6)

What does stopping distance consist of?

Reaction time

Brake lag

Braking distance

All answers are correct

It requires between 80 and 100 foot pounds (960 and 12 000 inch pounds) of torque to tighten the wheel on a car.

True

False

The time it takes from the moment a hazard is recognized to the time the brake pedal is applied is known as...

Reaction time

Brake lag

Braking distance

Following distance

The actual distance a vehicle travels after the break is applied until the vehicle stops is known as...

Brake lag

Reaction time

Braking distance

Stopping distance

The time air takes to travel through a properly maintained air brake system is known as...

Brake lag

Braking distance

Reaction time

Braking time

How long does it take for air to pass through a properly maintained air brake system?

About 1 second

About 2 seconds

About 4/10 of a second

About 1/2 of a second

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