Chapter 18

Question 1

Theoretical safety zone that surrounds the center of gravity on an area apparatus is called a?

Answer 1

Gravity circle

Question 2

These are also called outriggers ground jacks and screw jacks?

Answer 2

Stabilizers

Question 3

What are the three common types of stabilizers?

Answer 3

Post type
box stabilizers
a frame

Question 4

Stabilizing device that extends at an angle down and away from the chassis of an aerial apparatus also known as A-frame, scissor, or X style?

Answer 4

Fulcrum type stabilizer

Question 5

What are the two ways that the truck can be uneven?

Answer 5

Laterally side to side or longitudinally end to end

Question 6

Most apparatus can correct lateral unevenness on grades up to _______ percent or a slope that rises _______ feet for every ______ feet of distance?

Answer 6

5%
5 feet
100 feet

Question 7

On what grades do you operate the aerial device directly over the front or rear of the apparatus to minimize stress on the device?

Answer 7

Longitudinal grades

Question 8

Maximum stability is achieved when the angle of the tractor is _________ degrees from the center line of the trailer in the aerial ladder is operated towards the outside of the angle?

Answer 8

60 degrees

Question 9

The driver operator should never position the vehicle with the tractor and trailer at an angle greater than _______degrees as poor stability is produced and damage to the truck may occur?

Answer 9

90 degrees