Driver Operator Study State Questions
2025 With Correct Answers
8.35 pounds - correct answer How much does 1 gallon of water weigh?
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231 cubic inches - correct answer How many cubic inches does 1 gallon of water contain?
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62.5 pounds - correct answer How many pounds does 1 cubic foot of water weigh?
h h h h h h h h h h h h h h
7.481 gallons - correct answer How many gallons of water does 1 cubic foot contain?
h h h h h h h h h h h h h h
1,728 cubic inches - correct answer How many cubic inches are there in 1 cubic foot?
h h h h h h h h h h h h h h h
.434 psi - correct answer A 1 foot high column of water exerts how much psi at it's base?
h h h h h h h h h h h h h h h h h h
2.304 feet - correct answer How many feet will 1 psi of pressure raise a column of water?
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13.55 inches - correct answer 1 inch of mercury is equal to how many inches of water?
h h h h h h h h h h h h h h h h
,HG - correct answer What is the symbol for inches of mercury?
h h h h h h h h h h h
14.7 feet - correct answer How many feet is dependable lift?
h h h h h h h h h h
33.87 feet - correct answer How many feet is theoretical lift?
h h h h h h h h h h
By performing routine maintenance checks on a regular basis. - correct answer How can most apparatus or
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equipment failures be prevented? h h h
No - correct answer Is exercising the volume-series control lever part of the daily apparatus inspection?
h h h h h h h h h h h h h h h
1 inch - correct answer Apparatus with water tanks of 1000 gallons or less must have a tank fill line of at least
h h h h h h h h h h h h h h h h h h h h h h h
how many inches? h h
2 inches - correct answer Apparatus with water tanks more than 1000 gallons must have a tank fill line of how
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many inches? h
NFPA 1901 - correct answer What NFPA is the standard for automotive fire apparatus?
h h h h h h h h h h h h h
NFPA 11C h
NFPA 1901 - correct answer Industrial foam pumpers are built according to what NFPA numbers?
h h h h h h h h h h h h h h
50-75 feet - correct answer At what height do elevating water devices typically range?
h h h h h h h h h h h h h
The source pumper - correct answer During relay pumping, which pumper should be the largest capacity
h h h h h h h h h h h h h h h h
pumper?
The scene pumper - correct answer Relay pumping evolutions should be shut down at what pumper first?
h h h h h h h h h h h h h h h h
, 10 feet of lift
h h h
20 feet of hard suction - correct answer Pumper capacities are set at draft with how many feet of lift? And
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through how many feet of hard suction? h h h h h h
150 psi - correct answer Pumpers should flow how many psi at 100% capacity?
h h h h h h h h h h h h h
200 psi - correct answer Pumpers should flow how many psi at 70% capacity?
h h h h h h h h h h h h h
250 psi - correct answer Pumpers should flow how many psi at 50% capacity?
h h h h h h h h h h h h h
Back pressure - correct answer Head pressure equals?
h h h h h h h
Acceptance test - correct answer What is the test performed at the factory or after delivery to assure the
h h h h h h h h h h h h h h h h h h h
purchaser that the apparatus meets BID specifications? h h h h h h
True - correct answer Pressure supplied to a hose should not exceed that at which it is annually tested. True or
h h h h h h h h h h h h h h h h h h h h h
False?
300 gpm - correct answer Master streams have flows of over how many gpm?
h h h h h h h h h h h h h
True - correct answer On a standpipe system, firefighters should disconnect house lines and use their own
h h h h h h h h h h h h h h h h h
hoses. True or False? h h h
200 psi - correct answer The maximum allowable pressure for a relay is how many psi?
h h h h h h h h h h h h h h h
0 psi - correct answer What is the friction loss for appliances with flows of less than 350 psi?
h h h h h h h h h h h h h h h h h h
10 psi - correct answer What is the friction loss for appliances with flows of more than 350 psi?
h h h h h h h h h h h h h h h h h h
2025 With Correct Answers
8.35 pounds - correct answer How much does 1 gallon of water weigh?
h h h h h h h h h h h h
231 cubic inches - correct answer How many cubic inches does 1 gallon of water contain?
h h h h h h h h h h h h h h h
62.5 pounds - correct answer How many pounds does 1 cubic foot of water weigh?
h h h h h h h h h h h h h h
7.481 gallons - correct answer How many gallons of water does 1 cubic foot contain?
h h h h h h h h h h h h h h
1,728 cubic inches - correct answer How many cubic inches are there in 1 cubic foot?
h h h h h h h h h h h h h h h
.434 psi - correct answer A 1 foot high column of water exerts how much psi at it's base?
h h h h h h h h h h h h h h h h h h
2.304 feet - correct answer How many feet will 1 psi of pressure raise a column of water?
h h h h h h h h h h h h h h h h h
13.55 inches - correct answer 1 inch of mercury is equal to how many inches of water?
h h h h h h h h h h h h h h h h
,HG - correct answer What is the symbol for inches of mercury?
h h h h h h h h h h h
14.7 feet - correct answer How many feet is dependable lift?
h h h h h h h h h h
33.87 feet - correct answer How many feet is theoretical lift?
h h h h h h h h h h
By performing routine maintenance checks on a regular basis. - correct answer How can most apparatus or
h h h h h h h h h h h h h h h h h
equipment failures be prevented? h h h
No - correct answer Is exercising the volume-series control lever part of the daily apparatus inspection?
h h h h h h h h h h h h h h h
1 inch - correct answer Apparatus with water tanks of 1000 gallons or less must have a tank fill line of at least
h h h h h h h h h h h h h h h h h h h h h h h
how many inches? h h
2 inches - correct answer Apparatus with water tanks more than 1000 gallons must have a tank fill line of how
h h h h h h h h h h h h h h h h h h h h h
many inches? h
NFPA 1901 - correct answer What NFPA is the standard for automotive fire apparatus?
h h h h h h h h h h h h h
NFPA 11C h
NFPA 1901 - correct answer Industrial foam pumpers are built according to what NFPA numbers?
h h h h h h h h h h h h h h
50-75 feet - correct answer At what height do elevating water devices typically range?
h h h h h h h h h h h h h
The source pumper - correct answer During relay pumping, which pumper should be the largest capacity
h h h h h h h h h h h h h h h h
pumper?
The scene pumper - correct answer Relay pumping evolutions should be shut down at what pumper first?
h h h h h h h h h h h h h h h h
, 10 feet of lift
h h h
20 feet of hard suction - correct answer Pumper capacities are set at draft with how many feet of lift? And
h h h h h h h h h h h h h h h h h h h h h
through how many feet of hard suction? h h h h h h
150 psi - correct answer Pumpers should flow how many psi at 100% capacity?
h h h h h h h h h h h h h
200 psi - correct answer Pumpers should flow how many psi at 70% capacity?
h h h h h h h h h h h h h
250 psi - correct answer Pumpers should flow how many psi at 50% capacity?
h h h h h h h h h h h h h
Back pressure - correct answer Head pressure equals?
h h h h h h h
Acceptance test - correct answer What is the test performed at the factory or after delivery to assure the
h h h h h h h h h h h h h h h h h h h
purchaser that the apparatus meets BID specifications? h h h h h h
True - correct answer Pressure supplied to a hose should not exceed that at which it is annually tested. True or
h h h h h h h h h h h h h h h h h h h h h
False?
300 gpm - correct answer Master streams have flows of over how many gpm?
h h h h h h h h h h h h h
True - correct answer On a standpipe system, firefighters should disconnect house lines and use their own
h h h h h h h h h h h h h h h h h
hoses. True or False? h h h
200 psi - correct answer The maximum allowable pressure for a relay is how many psi?
h h h h h h h h h h h h h h h
0 psi - correct answer What is the friction loss for appliances with flows of less than 350 psi?
h h h h h h h h h h h h h h h h h h
10 psi - correct answer What is the friction loss for appliances with flows of more than 350 psi?
h h h h h h h h h h h h h h h h h h
