Terms

Question 1

Weight of water

Answer 1

62. 5 lbs/ft3

8. 33 lbs/gal

Question 2

Vacuum

Answer 2

Any pressure less than atmospheric pressure.

Question 3

Static Pressure

Answer 3

Stored potential energy available to force water through pipe fittings hose and adapters.

Question 4

BTU

Answer 4

The amount of heat required to raise the temp of 1 pound of water 1 degree.

Question 5

How many BTU’s absorb 1 degree of water.

Answer 5

970 BTU’s

Question 6

How many BTU’s absorbed by 1 gallon of water?

Answer 6

1,266 BTU’s

Question 7

NFPA 1582

Answer 7

Standard on comprehensive occupational medical program for the FD.

Question 8

NFPA 1002

Answer 8

Standard for fire apparatus driver/operator professional qualifications.

Question 9

NFPA 1001

Answer 9

Standard for FF professional qualifications

Question 10

NFPA 1500

Answer 10

Standard on FD occupational safety and health program.

Question 11

The weight of 1 cubic ft of water.

Answer 11

0.434 lbs

Question 12

Specific Gravity

Answer 12

The density of liquids in relation to water.
Water = 1
Less than 1 is lighter and floats on water.
More than 1 is heavier and sink in water.

Question 13

Boiling Point

Answer 13

The temp at which a liquid absorbs enough heat to change to a vapor.

Question 14

Latent heat of vaporization

Answer 14

The quantity of heat absorbed by a substance when it changes from a liquid to a vapor.

Question 15

Specific Heat

Answer 15

The measure of the heat-absorbing capacity of a substance.
Water- 1
CaCl- .70
CO2- .12
CO2- .19
Sodium BiCarb- .22

Question 16

Altitude

Answer 16

The position of an object above or below sea level.

Question 17

Atmospheric Pressure

Answer 17

Pressure exerted by the atmosphere at sea level.

14.7 psi

Question 18

Elevation Pressure

Answer 18

Elevation pressure loss and pressure gain.

Question 19

Elevation

Answer 19

The center line of the pump or the bottom of a static water source above or below ground level.

Question 20

Friction Loss

Answer 20

That part of the total pressure lost while forcing water through pipe, fittings, hose, and adapters.

Question 21

Flow Pressure

Answer 21

That forward velocity pressure at a discharge opening while water is flowing.

Question 22

Head

Answer 22

The height of a water supply above the discharge orifice.

Question 23

Head Pressure

Answer 23

The result of dividing the number of feet that the water supply is above the discharge orifice by 2.304

Question 24

Negative Pressure

Answer 24

Gauge readings of less than 0 psi

Question 25

Normal Operating Pressure

Answer 25

That pressure found in a water distribution system during normal consumption demands.

Question 26

Perfect Vacuum

Answer 26

Absolute zero pressure

Question 27

Pressure Gain

Answer 27

What happens when the nozzle is below the pump.

Question 28

Pressure Loss

Answer 28

What happens when a nozzle is above the pump.

Question 29

Psia

Answer 29

The psi above a perfect vacuum.

Question 30

Psig

Answer 30

Gauge reading

Question 31

Residual

Answer 31

A remainder or that which is left.

Question 32

Residual Pressure

Answer 32

That part of the total available pressure not used to overcome friction loss or gravity while forcing water through pipe, fittings, hose and adapters.

Question 33

Static

Answer 33

At rest or without motion.