PUMP OPERATOR FSFC116
COMPREHENSIVE STUDY GUIDE 2026
SOLVED QUESTIONS AND CORRECT
ANSWERS
●● How many cubic inches in a gallon of water
Answer: 231 cubic inches
●● How much does a cubic foot of water weigh?
Answer: 62.5 LBS
●● How many gallons of water in a cubic foot?
Answer: 7.481 gallons
●● How many inches in a cubic foot?
Answer: 1728 Cubic Inches
●● How much pressure does a column of water one foot high exert at it's
base
Answer: .434 Psi
,●● HOW MANY INCHES OF MERCURY IS EQUAL TO 13.55
INCHES OF WATER?
Answer: ONE
●● ONE PSI OF PRESSURE WILL RAISE A COLUMN OF WHATER
HOW MANY FEET?
Answer: 2.304 ft
●● WHAT IS THE SYMBOL FOR MERCURY
Answer: HG
●● WHAT IS RELIABLE LIFT
Answer: 14.7 FEET ( THE HEIGHT OF A COLUMN OF WATER
THAT MAY BE LIFTED IN SUFFICIENT QUANTITY TO PROVIDE
A RELIABLE FIRE FLOW)
●● THEORETICAL LIFT IS
Answer: 33.87 Ft
●● What should pumpers flow at?
Answer: 100% CAPACITY @ 150 PSI, 70% @ 200 PSI, AND 50 % @
250 PSI
, ●● Pumper capacity at draft are set at?
Answer: WITH 10 FT OF LIFT THROUGH 20 FT OF HARD
SUCTION
●● RELAY PUMPER EVOLUTIONS SHOULD BE SHUT DOWN AT
Answer: The on scene pumper first
●● LARGEST CAPACITY pumper DURING RELAY SHOULD BE?
Answer: The source pumper
●● ELEVATING WATER DEVICES TYPICALLY RANGE IN
HEIGHT ?
Answer: From 50-75 Ft
●● INDUSTRIAL FOAM PUMPERS ARE BUILT ACCORDING TO ?
Answer: NFPA 11 C AND 1901 ( TEST ANSWER IS BOTH 11 C AND
1901)
●● WHAT IS NFPA 1901
Answer: STANDARD FOR AUTOMOTIVE FIRE APPARATUS
●● EQUIPMENT FAILURES CAN BE PREVENTED BY
PERFORMING?
COMPREHENSIVE STUDY GUIDE 2026
SOLVED QUESTIONS AND CORRECT
ANSWERS
●● How many cubic inches in a gallon of water
Answer: 231 cubic inches
●● How much does a cubic foot of water weigh?
Answer: 62.5 LBS
●● How many gallons of water in a cubic foot?
Answer: 7.481 gallons
●● How many inches in a cubic foot?
Answer: 1728 Cubic Inches
●● How much pressure does a column of water one foot high exert at it's
base
Answer: .434 Psi
,●● HOW MANY INCHES OF MERCURY IS EQUAL TO 13.55
INCHES OF WATER?
Answer: ONE
●● ONE PSI OF PRESSURE WILL RAISE A COLUMN OF WHATER
HOW MANY FEET?
Answer: 2.304 ft
●● WHAT IS THE SYMBOL FOR MERCURY
Answer: HG
●● WHAT IS RELIABLE LIFT
Answer: 14.7 FEET ( THE HEIGHT OF A COLUMN OF WATER
THAT MAY BE LIFTED IN SUFFICIENT QUANTITY TO PROVIDE
A RELIABLE FIRE FLOW)
●● THEORETICAL LIFT IS
Answer: 33.87 Ft
●● What should pumpers flow at?
Answer: 100% CAPACITY @ 150 PSI, 70% @ 200 PSI, AND 50 % @
250 PSI
, ●● Pumper capacity at draft are set at?
Answer: WITH 10 FT OF LIFT THROUGH 20 FT OF HARD
SUCTION
●● RELAY PUMPER EVOLUTIONS SHOULD BE SHUT DOWN AT
Answer: The on scene pumper first
●● LARGEST CAPACITY pumper DURING RELAY SHOULD BE?
Answer: The source pumper
●● ELEVATING WATER DEVICES TYPICALLY RANGE IN
HEIGHT ?
Answer: From 50-75 Ft
●● INDUSTRIAL FOAM PUMPERS ARE BUILT ACCORDING TO ?
Answer: NFPA 11 C AND 1901 ( TEST ANSWER IS BOTH 11 C AND
1901)
●● WHAT IS NFPA 1901
Answer: STANDARD FOR AUTOMOTIVE FIRE APPARATUS
●● EQUIPMENT FAILURES CAN BE PREVENTED BY
PERFORMING?