WATER SUPPLY CHAPTER 12 TEST QUESTIONS WITH
COMPLETE SOLUTIONS
1) NFPA standards require that water tenders be designed to dump the tank at a rate
of at least
a) 500 gpm
b) 1250 gpm
c) 750 gpm
d) 1000 gpm -- Correct Answer ✔✔ d- 1000 gpm
2) By NFPA standard, what is the flow rate for a hydrant with a green bonnet?
a) 500 to 1000 gpm
b) less than 500 gpm
c) 1000 to 1500 gpm
d) 1500 or more gpm -- Correct Answer ✔✔ c- 1000 to 1500 gpm
3) A___ is a permanent pipe with a strainer submerged in a body of water at one end,
and pumper connections a the other
a) wharf hydrant
, b) dry pipe
c) drafting hydrant
d) standpipe -- Correct Answer ✔✔ c- drafting hydrant
4) What is the recommended minimum depth of water under a hard suction hose
strainer while drafting?
a) 18 inches
b) 6 inches
c) 12 inches
d) 24 inches -- Correct Answer ✔✔ d- 24 inches
5) What is the point of locating valves at frequent intervals within a water system?
a) provide more accurate regulation of flow and pressure
b) enable diversion of water supply in a fire emergency
c) provide backup in case of a valve failure
d) minimize the area affected during system maintenance -- Correct Answer ✔✔
d- minimize the area affected during system maintenance
6) In a dry barrel hydrant, where is the main control valve located?
a) in the riser
b) below the frost line
c) on the bonnet
d) at the discharge -- Correct Answer ✔✔ b- below the frost line
, 7) In a relay pumping operation, where should the engine with the largest capacity
pump be located?
a) at the dump site
b) midway between the fire and the water supply
c) at the water supply
d) at the fire -- Correct Answer ✔✔ c- at the water supply
8) Which part of a grid system consists of relatively small lines serving hydrants and
consumers?
a) primary feeders
b) distributors
c) service lines
d) street mains -- Correct Answer ✔✔ b- distributors
9) Which water system provides circulating feed from all directions?
a) redundant system
b) grid system
c) circulating feed system
d) parallel system -- Correct Answer ✔✔ b- grid system
10) What is the term for the 4__ " outlet on a fire hydrant?
a) pumper outlet nozzle
b) steamer
COMPLETE SOLUTIONS
1) NFPA standards require that water tenders be designed to dump the tank at a rate
of at least
a) 500 gpm
b) 1250 gpm
c) 750 gpm
d) 1000 gpm -- Correct Answer ✔✔ d- 1000 gpm
2) By NFPA standard, what is the flow rate for a hydrant with a green bonnet?
a) 500 to 1000 gpm
b) less than 500 gpm
c) 1000 to 1500 gpm
d) 1500 or more gpm -- Correct Answer ✔✔ c- 1000 to 1500 gpm
3) A___ is a permanent pipe with a strainer submerged in a body of water at one end,
and pumper connections a the other
a) wharf hydrant
, b) dry pipe
c) drafting hydrant
d) standpipe -- Correct Answer ✔✔ c- drafting hydrant
4) What is the recommended minimum depth of water under a hard suction hose
strainer while drafting?
a) 18 inches
b) 6 inches
c) 12 inches
d) 24 inches -- Correct Answer ✔✔ d- 24 inches
5) What is the point of locating valves at frequent intervals within a water system?
a) provide more accurate regulation of flow and pressure
b) enable diversion of water supply in a fire emergency
c) provide backup in case of a valve failure
d) minimize the area affected during system maintenance -- Correct Answer ✔✔
d- minimize the area affected during system maintenance
6) In a dry barrel hydrant, where is the main control valve located?
a) in the riser
b) below the frost line
c) on the bonnet
d) at the discharge -- Correct Answer ✔✔ b- below the frost line
, 7) In a relay pumping operation, where should the engine with the largest capacity
pump be located?
a) at the dump site
b) midway between the fire and the water supply
c) at the water supply
d) at the fire -- Correct Answer ✔✔ c- at the water supply
8) Which part of a grid system consists of relatively small lines serving hydrants and
consumers?
a) primary feeders
b) distributors
c) service lines
d) street mains -- Correct Answer ✔✔ b- distributors
9) Which water system provides circulating feed from all directions?
a) redundant system
b) grid system
c) circulating feed system
d) parallel system -- Correct Answer ✔✔ b- grid system
10) What is the term for the 4__ " outlet on a fire hydrant?
a) pumper outlet nozzle
b) steamer
