IFSTA Driver/Operator Handbook

Question 1

Which of the following factors affect the reach of a fog stream?

Answer 1

A. Width of stream
B. Size of water droplets
C. Amount of water flowing
D. ALL OF THE ABOVE

P. 168

Question 2

According to NFPA standards, the parking brake must be able to hold the apparatus in place on what percentage of grade?

Answer 2

C. 20% grade

P. 45 Figure 3.26

Question 3

According to NFPA 1901, Standard for Automotive Fire Apparatus, the MINIMUM pump capacity for a pumper or engine is:

Answer 3

B. 750 GPM

P. 13

Question 4

If an apparatus is to be considered a true Quint, what in the MINIMUM pump capacity?

Answer 4

E. None of the above

p. 22-23

Question 5

The part of the total available pressure not used to overcome friction loss or gravity while forcing water through pipes, fitting, hose, or adapters is called?

Answer 5

B. Residual Pressure

P. 146

Question 6

The four basic methods by which foam may be proportioned are:

Answer 6

D. Injection, induction, pre-mixing, batch-mixing

P. 453

Question 7

Today’s class B Foams are mixed in a proportions of:

Answer 7

A. 1% to 6%

P. 459

Question 8

The measure of the heat absorbing capacity of a substance is known as:

Answer 8

A Specific Heat

P. 136

Question 9

The quality of heat absorbed by a substance when it changes from liquid to a vapor is:

Answer 9

D. Latent Heat of Vaporization

P. 137

Question 10

For an appartus to be classified as a Quint, what components must it have?

Answer 10

C. Ground ladders, aerial device, water tank, fire pump and fire hose

P. 22

Question 11

When water is applied to a fire what is an expected outcome?

Answer 11

A. Occupies 1700x its original volume
B. absorbs more heat faster, cooling fuel below ignition temperature
C. Displaces hot gases, smoke, and other products of combustion
D. In some cases may smother fire by excluding O2
E. ALL THE ABOVE

P. 138 Figure 6.6

Question 12

NFPA 1901 braking tests require that new apparatus be brought to a complete stop from a speed 20 mph in a distance not to exceed:

Answer 12

D. 35 feet

P. 484

Question 13

What are the four elements of the foam tetrahedron?

Answer 13

C. Foam concentrate, water, air and mechanical agitation

P. 451 (1st paragraph) and page 452 Figure 15.1

Question 14

Today’s class A-foams are mixed in proportions of:

Answer 14

A. 0.1% to 1.0%

P.457

Question 15

As an extinguishing agent, water depends on the following:

Answer 15

A. Specific Heat
B. Latent Heat of the Vaporization
C. Exposed surface area
D. Specific gravity
E. ALL THE ABOVE

P. 136