Driver Operator Study – State Exam Questions with Answers

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DRIVER OPERATOR STUDY
STATE QUESTIONS WITH
VERIFIED CORRECT ANSWERS
(GRADED A+)




8.35 pounds
How much does 1 gallon of water weigh?




231 cubic inches
How many cubic inches does 1 gallon of water contain?




62.5 pounds
How many pounds does 1 cubic foot of water weigh?




7.481 gallons
How many gallons of water does 1 cubic foot contain?




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,DRIVER OPERATORDRIVER
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1,728 cubic inches
How many cubic inches are there in 1 cubic foot?




.434 psi
A 1 foot high column of water exerts how much psi at it's base?




2.304 feet
How many feet will 1 psi of pressure raise a column of water?




13.55 inches
1 inch of mercury is equal to how many inches of water?




HG
What is the symbol for inches of mercury?




14.7 feet
How many feet is dependable lift?




33.87 feet
How many feet is theoretical lift?




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,DRIVER OPERATORDRIVER
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By performing routine maintenance checks on a regular basis.
How can most apparatus or equipment failures be prevented?




No
Is exercising the volume-series control lever part of the daily apparatus inspection?




1 inch
Apparatus with water tanks of 1000 gallons or less must have a tank fill line of at least how
many inches?




2 inches
Apparatus with water tanks more than 1000 gallons must have a tank fill line of how many
inches?




NFPA 1901
What NFPA is the standard for automotive fire apparatus?




NFPA 11C
NFPA 1901
Industrial foam pumpers are built according to what NFPA numbers?




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50-75 feet
At what height do elevating water devices typically range?




The source pumper
During relay pumping, which pumper should be the largest capacity pumper?




The scene pumper
Relay pumping evolutions should be shut down at what pumper first?




10 feet of lift
20 feet of hard suction
Pumper capacities are set at draft with how many feet of lift? And through how many feet of
hard suction?




150 psi
Pumpers should flow how many psi at 100% capacity?




200 psi
Pumpers should flow how many psi at 70% capacity?




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