ILLINOIS EXAM 2025 QUESTIONS AND
ANSWERS
What does one cubic foot of water weigh? - ANS 62.5 lbs
What does One cubic foot of water contain in inches? - ANS 1.728 cubic inches
What does One cubic foot of water contain in gallons? - ANS 7.5 gallons
What does One gallon of water weigh? - ANS 8.35 lbs
What does One gallon of water contain in inches? - ANS 231 cubic inches
How high will One psi elevate water? - ANS 2.304 feet
What is atmospheric pressure at sea level? - ANS 14.7 psi
What is the maximum lift for drafting? (Theoretically) - ANS 34 feet
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, How high does One inch (1") mercury (inches in vacuum) lift? - ANS 1.13 feet of lift
What is the recommended minimum psi that should be maintained on the compound gauge
when taking water from a hydrant? - ANS 10 psi
What is Static pressure? - ANS Stored or potential energy that is available to force water
through pipes and fittings, fire hose, and adapters.
What are all the steps in Certification Test (pre-service tests)? - ANS 1. 2 Hour: 100% @ 150
psi
2. 1/2 hour: 70% @ 200 psi
3. 1/2 hour: 50% @ 250 psi
4. 10 minutes: 100% @ 165 psi (overload or spurt test)
What is a Spurt or Overload test? - ANS 100% @ 165 psi (done in certification test for 10
minutes)
What are all the steps in a Service Test? - ANS 1. 20 minutes: 100% @ 150 psi
2. 10 minutes: 70 % @ 200 psi
3. 10 minutes: 50% @ 250 psi
Optional: 100% @ 165 psi (overload or spurt test)
What are Pump Tests? - ANS 100% capacity @ 150 psi net pump pressure
70% capacity @ 200 psi net pump pressure
50% capacity @ 250 psi net pump pressure
What is Net Engine/Pump Pressure (NEP)? - ANS Net Pump Pressure (NEP) is the
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measurement of the total work performed by the pump:
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