Chapter 4

Question 0

How is walk around inspection conducted?

Answer 0

start at driver door, inspecting components clockwise rotation

Question 1

When using a garden hose, what is desired distance from end of hose to apparatus?

Answer 1

1 foot

Question 2

Nitrogen is a useful agent because?

Answer 2

Holds less moisture
Diss apostates heat much faster
Better fuel mileage

Question 3

Curb weight?

Answer 3

Weight if an empty apparatus with no equipment, water, passengers or tools

Question 4

GVWR

Answer 4

Maximum weight a vehicle can be safely operated

Question 5

What is rapping?

Answer 5

Hit tires with a mallet

Question 6

Maximum steering wheel free play?

Answer 6

10 degrees

Question 7

Hearing protection should be used above ____ decibels?

Answer 7

90

Question 8

Load sequencer?

Answer 8

Turns various lights on at specified intervals

Question 9

Load monitor

Answer 9

Watches electrical system for added electrical loads

Question 10

Load shedding?

Answer 10

Load monitor will shut down less important electrical equipment when overloading occurs.

Question 11

Parking brake should hold an apparatus in place on what percent grade?

Answer 11

20% grade

Question 12

Testing air brake leakage rate, air pressures should not loose more than ____% per min

Answer 12

2

Question 13

How fast should pressure build up in a duel air system?

Answer 13

45 seconds

Question 14

What do you fill battery’s with if water level is low?

Answer 14

Distilled water

Question 15

What is order to connect battery charger to battery?

Answer 15

Red positive then black negative then plug in charger

Question 16

Apparatus tests can be grouped I to two categories?

Answer 16

Preservice tests and service tests

Question 17

Nondestructive testing is? Performed how often?

Answer 17

Test method that does not alter or damage materials.

Every 5 years

Question 18

Any person who is actually performing nondestructive testing must be certified as?

Answer 18

American Society for nondestructive testing level II NDT in the test method being performed

ASNT

Question 19

How to test for welds and cracks?

Answer 19

Magnetic particle Inspection

Question 20

How does conductivity readings work?

Answer 20

Aluminum ladders by registering the hardness, taking conductivity readings throughout length of ladder.

Question 21

Material is saturated with a dye or fluorescent penetrant, and a developer is applied.

Answer 21

Liquid penetrant testing

Question 22

How is ultrasonic testing done?

Answer 22

Sonic the hedge hog..wait wrong

Introductions of high frequency vibrations. Used on bolts, pins, extension cylinder mounting pins

Question 23

How does radiographic testing work and on what?

Answer 23

Uses xray

On welds in aerial

Question 24

Acoustic emission testing

Answer 24

Emitting sound waves into device and reading then at distant point.

Question 25

What is acceptance testing?

Answer 25

Conducted to assure purchaser that apparatus meets original bid