FAE Illinois Study Guide questions with verified
answers
1 cubic ft of water is how many gallons? Ans✓✓✓ 7.48 Gal
1 cubic ft of water weighs Ans✓✓✓ 62.4 lbs
1 gallon weighs Ans✓✓✓ 8.33 lbs
1 Inch of water that is 1 ft tall exerts how many psi? Ans✓✓✓ .434 psi
3 Components influence a Centrifugal Pumps Discharge Pressure Ans✓✓✓
Pressure of the water when it enters the pump
Amount of water being discharged
Speed at which the impellar is being turned
3 Ways to Apply Foam Ans✓✓✓ Roll on
Bank down
Rain down
A vacuum is Ans✓✓✓ any pressure less than atmospheric pressure
Atmospheric Pressure is how many psi? Ans✓✓✓ 14.7 psi
CAFS Ans✓✓✓ Compressed Air Foam Systems
, Centrifugal Pump Modes Ans✓✓✓ Series/Pressure
Parallel/Volume
Class B Fuels Ans✓✓✓ Hydrocarbons and Polar Solvents
Components of Centrifugal Pump Ans✓✓✓ Impeller
Vanes
Eye
Shaft
Volute
Condensed Q Formula Ans✓✓✓ Q = GPM/100
3" = Q^2
4" = Q^
5" = Q^
Distributors Ans✓✓✓ The Hydrants/spots going into homes or buildings
Engine Pressure (EP) / Pump Discharge Pressure (PDP) / Net Pump Pressure (NPP)
Ans✓✓✓ Friction Loss (FR) + Nozzle Pressure (NP) + Elevation
First Principle of Friction Loss Ans✓✓✓ If all other conditions are the same,
friction loss varies directly with the length of the hose or pipe
answers
1 cubic ft of water is how many gallons? Ans✓✓✓ 7.48 Gal
1 cubic ft of water weighs Ans✓✓✓ 62.4 lbs
1 gallon weighs Ans✓✓✓ 8.33 lbs
1 Inch of water that is 1 ft tall exerts how many psi? Ans✓✓✓ .434 psi
3 Components influence a Centrifugal Pumps Discharge Pressure Ans✓✓✓
Pressure of the water when it enters the pump
Amount of water being discharged
Speed at which the impellar is being turned
3 Ways to Apply Foam Ans✓✓✓ Roll on
Bank down
Rain down
A vacuum is Ans✓✓✓ any pressure less than atmospheric pressure
Atmospheric Pressure is how many psi? Ans✓✓✓ 14.7 psi
CAFS Ans✓✓✓ Compressed Air Foam Systems
, Centrifugal Pump Modes Ans✓✓✓ Series/Pressure
Parallel/Volume
Class B Fuels Ans✓✓✓ Hydrocarbons and Polar Solvents
Components of Centrifugal Pump Ans✓✓✓ Impeller
Vanes
Eye
Shaft
Volute
Condensed Q Formula Ans✓✓✓ Q = GPM/100
3" = Q^2
4" = Q^
5" = Q^
Distributors Ans✓✓✓ The Hydrants/spots going into homes or buildings
Engine Pressure (EP) / Pump Discharge Pressure (PDP) / Net Pump Pressure (NPP)
Ans✓✓✓ Friction Loss (FR) + Nozzle Pressure (NP) + Elevation
First Principle of Friction Loss Ans✓✓✓ If all other conditions are the same,
friction loss varies directly with the length of the hose or pipe