Chapter 17

Question 1

Area beneath a wall in which the wall is likely to land of it loses structural integrity?

Answer 1

Collapse Zone

Question 2

If a building is less than five stories tall, the aerial apparatus may be positioned __________ of the pumpers?

Answer 2

Outside

Question 3

If the building is more than five stories tall, the aerial apparatus should be positioned _______ of the pumpers?

Answer 3

Inside

Question 4

Ground above underground vaults such as underground parking structures, utility chases, drainage culverts, basements that extend under sidewalks, or underground transportation systems?

Answer 4

Vaulted Surfaces

Question 5

Loads that involve motion. They include the forces arising from wind, moving vehicles, earthquakes, vibration, or falling objects, as well as the addition of a moving load force to an aerial device or structure?

Answer 5

Dynamic Load

Question 6

A condition of truck tractor semi-trailer combination when their relative positions to each other form an angle of 90° or less about the trailer kingpin such as turning the tractor portion of a tractor tiller aerial apparatus at an angle from the trailer to increase the stability when the aerial device is being used is called?

Answer 6

Jackknifing

Question 7

The maximum loading for any unsupported aerial device occurs when operated at angles between ________ and _______ degrees from horizontal?

Answer 7

70° and 80°

Question 8

How many feet should vehicles be kept away from the railroad tracks when possible?

Answer 8

25 feet