Chapter 2

Question 1

What is the definition of Maintenance?

Answer 1

Keeping apparatus in a state of usefulness or readiness

Question 2

What is the definition of repair?

Answer 2

Means to restore that which has become inoperable

Question 3

Two types of inspections are actually conducted during a walk around inspection what are they?

Answer 3

Operational readiness inspection and pre-trip road worthiness inspection

Question 4

What is a CDL?

Answer 4

A driver’s license that’s issued to individuals who demonstrate competence inspecting and driving vehicles with a gross vehicle rating of 26, 001 pounds or more

Question 5

What is a functional check of the apparatus?

Answer 5

An inspection where a certain system or component is operated to ensure that it is functioning properly

Question 6

What is a load management system?

Answer 6

Electrical monitoring system that will shed electrical load in a predetermined order if the chassis voltage begins to drop below a predetermined level

Question 7

What is a load sequencer?

Answer 7

A device in an electrical system that turns lights on at specified intervals so that the startup load for all of the devices does not occur at the same time

Question 8

What is load monitor?

Answer 8

A device that watches an electrical system for added loads that may threaten to overload the system

Question 9

What is load shedding?

Answer 9

When an overload condition occurs the load monitor will shut down less important electrical equipment to prevent the overload

Question 10

What is free play or free travel?

Answer 10

Amount of travel the clutch has before it begins to disengage the engine from transmission

Question 11

What is a throw out bearing?

Answer 11

The component used to push on the internal clutch fingers connected to the clutch pedal when activated it disengages the clutch from the engine

Question 12

The steering wheel play should be no more than approximately ______ degrees in either direction?

Answer 12

10

Question 13

How many inches in either direction on a 20 inch diameter steering wheel should the play be?

Answer 13

About 2 inches and either direction

Question 14

NFPA 1901 and 1911 says a side-to-side variance in weight should not exceed _____ percent?

Answer 14

7%

Question 15

What are air actuated braking systems?

Answer 15

A braking system that uses compressed air to hold off a spring brake (parking brake) and applies air pressure to a service brake for vehicle stopping

Question 16

Air brakes are equipped with an air pressure protection valve that prevents air horns or other nonessential devices from being operated when the pressure in the air reservoir drops below ____ psi?

Answer 16

80 psi

Question 17

When pumping the air brakes the warning light and buzzer should activate before?

Answer 17

60 psi

Question 18

With pumping the brake pedal the button should pop out between _____ and _____ psi?

Answer 18

20 and 40 psi

Question 19

The air pressure should build to ____ - ____ in 45 sec at full engine RPM.

Answer 19

85-100

Question 20

When checking the tires check for bulges greater than____________ of an inch?

Answer 20

3/8

Question 21

What NFPA standard requires driver operators be skilled in the performance of certain maintenance tasks?

Answer 21

1002