FAE (Fire Apparatus Engineer) Illinois Questions and Answers 100% Pass

FAE (Fire Apparatus Engineer) Illinois Questions and Answers 100% Pass What does one cubic foot of water weigh? 62.5 lbs What does One cubic foot of water contain in inches? 1.728 cubic inches What does One cubic foot of water contain in gallons? 7.5 gallons What does One gallon of water weigh? 8.35 lbs What does One gallon of water contain in inches? 231 cubic inches How high will One psi elevate water? 2.304 feet What is atmospheric pressure at sea level? 14.7 psi What is the maximum lift for drafting? (Theoretically) 34 feet How high does One inch (1") mercury (inches in vacuum) lift? 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? 10 psi What is Static pressure? 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)? 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? 100% @ 165 psi (done in certification test for 10 minutes) What are all the steps in a Service Test? 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? 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)? Net Pump Pressure (NEP) is the measurement of the total work performed by the pump: a. To lift water into the pump (drafting) b. To discharge water from the pump NEP= Suction Side Work(drafting) + Discharge Side Work How do you figure out Suction Side Work ? Suction Side Work(psi)= Lift (ft)+Intake Hose FL(Friction Loss) (psi) Divided by 2.3 What is Fog nozzle pressure for Hand held nozzle and Master Stream? 100 psi What is Smooth Bore nozzle pressures for Hand held nozzle and Master Stream? Hand Held : 50 psi Master Stream: 80 psi