Chapter 4

Question 1

____________________ is a multi step process that involves evaluating the potential for specific types of responses that might occur in a jurisdiction, as well as the probability of such occurrences

Answer 1

pre-incident planning

Question 2

4 hazards associated with technical search and rescue

Answer 2

1. physical
2. environmental
3. water
4. atmospheric

Question 3

any weight near a trench lip that increases instability

Answer 3

surcharge load

Question 4

excavated materials stored during the digging of a trench

Answer 4

spoil pile

Question 5

smooth non-turbulent flow of a liquid that occurs at low velocities

Answer 5

laminar flow

Question 6

the corkscrew like flow of water

Answer 6

helical flow

Question 7

muddy, cloudy, or murky condition of water caused by the stirring up of sediment

Answer 7

turbidity

Question 8

a current of water moving in opposition to the main stream, caused by contact with an obstacle

Answer 8

eddy

Question 9

obstructions in a waterway within the water itself just below the waterline

Answer 9

strainers

Question 10

The LFL of airborne combustible grain dust can be approximated when the dust obscures vision at a distance of ________ ft.

Answer 10

5

Question 11

atmospheric sampling should be done at the top, middle, and bottom of the space or at ______ft intervals.

Answer 11

4

Question 12

comparison between the known hazards and potential benefits of any operation; used to determine the feasibility of the operation

Answer 12

risk-benefit analysis