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A __________ nozzle is used with a foam solution to produce a low-expansion,
short-lasting foam.
Question 8 options:
1) fog
2) mechanical blower
3) solid-bore
4) water-aspirating foam --CORRECT ANSWER--1) fog
Friction loss is:
Question 9 options:
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,1) the amount or volume of water that a nozzle will provide.
2) the force of nature that makes the nozzle move in the opposite direction of
the water flow.
3) the forward pressure of water as it leaves an opening.
4) that part of total pressure that is lost while water moves through a hose line. -
-CORRECT ANSWER--4) that part of total pressure that is lost while water
moves through a hose line.
Directions: Read the following statements regarding foam application and select
your answer from choices A through D.
Statement 1 Aqueous film forming foam (AFFF) can be effectively applied
through a standard fire department fog nozzle.
Statement 2 Air aspirating foam nozzles or foam nozzle adaptors on standard
fog nozzles produce effective, high quality foam.
Statement 3 Air-aspirating foam nozzles are recommended for use with
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,protein and fluoroprotein foams.
Question 10 options:
1) Statement 1 is true, statements 2 and 3 are false.
2) Statements 1 and 2 are true, statement 3 is false.
3) Statements 1 and 2 are false; statement 3 is true.
4) All three statements are true. --CORRECT ANSWER--4) All three
statements are true.
An advantage of Class A foam is that it:
Question 11 options:
1) is designed to resist hydrocarbons.
2) is designed to self-seal on a liquid surface.
3) allows water to penetrate dense materials instead of running off the surface.
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, 4) can be used on both Class A and Class B fires, in varying proportions. --
CORRECT ANSWER--3) allows water to penetrate dense materials instead of
running off the surface.
Proper protective clothing for a fire attack crew on a liquid propane gas cylinder
includes:
Question 12 options:
1) self-contained breathing apparatus.
2) proximity clothing.
3) Level A protective clothing.
4) explosive meters. --CORRECT ANSWER--1) self-contained breathing
apparatus.
Under the Incident Command System, the __________ is responsible for
determining the strategic goals for control of an incident.
Question 1 options:
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