Ch.19

Question 1

1 cubic inch of ice is equals to ?

Answer 1

0.03 lbs

Question 2

Estimated wind speeds , large tree branches in motion , whistling heard in utility wires?

Answer 2

25-31 mph

Question 3

Graphical or tubular description of the load that can be distributed on an aerial device based on factors such as extensions , elevation , stabilizer set up wind , water flow and ice load?

Answer 3

Load chart

Question 4

Estimated wind speeds , twigs break off trees walking against the wind is generally impeded , minor building damage?

Answer 4

39-54 mph

Question 5

Estimated wind speeds , small trees in lotion , whitecaps visible on ponds and small lakes?

Answer 5

15-24mph

Question 6

Estimated wind speeds , while trees in motion , inconvenience felt walking against wind?

Answer 6

32-38 mph

Question 7

What are the two types of articulating aerial apparatus?

Answer 7

Water towers
Aerial platforms

Question 8

Use the 75-80-80 guideline for a quick ladder pipe use, what does each represent?

Answer 8

75 degree elevation
80 % extended length
80 psi nozzle pressure

Question 9

In regards to safety tether anchor points while operating as the tiller driver , use only structural features of the ladder or platform for an anchor points and never use a feature that will allow the clip to slide for more than____________?

Answer 9

A few inches