Pump Ops Test ACTUAL Exam Questions
and CORRECT Answers
Water is in a liquid state between - CORRECT ANSWER - 32-212 degrees F
What is water's weight? - CORRECT ANSWER - 8.33 lbs per gallon
Specific heat - CORRECT ANSWER - The heat absorbing capacity of a substance
Boiling point - CORRECT ANSWER - The temperature at which a liquid absorbs enough
heat to change into a vapor.
Specific gravity - CORRECT ANSWER - the density of liquids as relation to water.
Density of water - CORRECT ANSWER -1
What is steam expansion rate at boiling point? - CORRECT ANSWER - 1700x
Water exerts a pressure of - CORRECT ANSWER - .434 per ft. of elevation
FL increases as - CORRECT ANSWER - the length of the hose or pipe increases
Close hydrants valves and nozzles slowly to - CORRECT ANSWER - prevent waterhammer
Water systems must have - CORRECT ANSWER - a source, a means of moving, treatment or
processing, and distribution.
, Gravity System - CORRECT ANSWER - When the means of moving the water is higher than
the distribution system
What could disable pumping and treatment facilities in a water system? - CORRECT
ANSWER - Loss of power and natural disasters
A grid system provides - CORRECT ANSWER - circulating feeds from several mains
Dead end hydrant - CORRECT ANSWER - A fire hydrant that only receives water from only
one direction
In industrial and business districts, water main minimum is - CORRECT ANSWER - 8"
crossed by 12" every 600ft
In residential districts, water main minimum is - CORRECT ANSWER - 6" crossed by 8"
every 600ft
Main function of a main water line valve is - CORRECT ANSWER - to control the flow of
water in distribution piping
OS and Y valves have a threaded stem that - CORRECT ANSWER - controls the gate opening
and closing.
What reduces the diameter on the inside of pipes increasing friction loss? - CORRECT
ANSWER - Encrustation of minerals
When using a Wye valve - CORRECT ANSWER - the attack lines should be the same length
and diameter
What provides water flow in GPM? - CORRECT ANSWER - Flow meters
and CORRECT Answers
Water is in a liquid state between - CORRECT ANSWER - 32-212 degrees F
What is water's weight? - CORRECT ANSWER - 8.33 lbs per gallon
Specific heat - CORRECT ANSWER - The heat absorbing capacity of a substance
Boiling point - CORRECT ANSWER - The temperature at which a liquid absorbs enough
heat to change into a vapor.
Specific gravity - CORRECT ANSWER - the density of liquids as relation to water.
Density of water - CORRECT ANSWER -1
What is steam expansion rate at boiling point? - CORRECT ANSWER - 1700x
Water exerts a pressure of - CORRECT ANSWER - .434 per ft. of elevation
FL increases as - CORRECT ANSWER - the length of the hose or pipe increases
Close hydrants valves and nozzles slowly to - CORRECT ANSWER - prevent waterhammer
Water systems must have - CORRECT ANSWER - a source, a means of moving, treatment or
processing, and distribution.
, Gravity System - CORRECT ANSWER - When the means of moving the water is higher than
the distribution system
What could disable pumping and treatment facilities in a water system? - CORRECT
ANSWER - Loss of power and natural disasters
A grid system provides - CORRECT ANSWER - circulating feeds from several mains
Dead end hydrant - CORRECT ANSWER - A fire hydrant that only receives water from only
one direction
In industrial and business districts, water main minimum is - CORRECT ANSWER - 8"
crossed by 12" every 600ft
In residential districts, water main minimum is - CORRECT ANSWER - 6" crossed by 8"
every 600ft
Main function of a main water line valve is - CORRECT ANSWER - to control the flow of
water in distribution piping
OS and Y valves have a threaded stem that - CORRECT ANSWER - controls the gate opening
and closing.
What reduces the diameter on the inside of pipes increasing friction loss? - CORRECT
ANSWER - Encrustation of minerals
When using a Wye valve - CORRECT ANSWER - the attack lines should be the same length
and diameter
What provides water flow in GPM? - CORRECT ANSWER - Flow meters
