BASIC PUMPOLOGY
ELECTRICAL
PUMP PARTS
APPLICATIONS
100
The constant in the BHP formula.
What is 3960?
100
Step 1 in electrical and mechanical Safety.
What is lock-out/tag-out?
100
The component that directs the energy created from an impeller to the piping system.
What is a volute?
(OR...What is an I/O Port?)
100
Water weighs more than 8# per gallon. There's a 1 Million Gallon tank, 50' diameter and 115.5' tall. If the tank were full, the gauge at the bottom of the tank indicates a pressure of ___________.
What is 50-psi?
200
2-gallon of water weighs this much at standard temperature and pressure.
What is 16.68 lbs?
200
Amps x Volts = ______.
What is Watts?
200
This is the moving part of a pump motor.
What is a rotor?
200
Flow will ________ and pressure will _______ when a 2nd identical pump in parallel with the first is started.
What is "increase" and "increase"?
300
This is derived by adding static discharge head, static suction head, and friction head.
What is TDH (Total Dynamic Head)?
300
A pump that typically draws 100-AMPS is now pulling 80-AMPS. Check this problem first.
What is the Inlet/Suction?
Check strainer or filter.
300
The component, when installed properly, ensures the pump and the motor spin at the same RPM.
What is the COUPLING?
300
H = 100, Q = 500, L = 1000, ID = 5.421
In this scenario, the GPM should be _________.
What is a 500-gpm?
400
This value used to indicate the smoothness of the interior of a pipe.
What is C-Factor?
For a Double Score, The C-Factor for new steel? (must be precise).
400
Grease a motor every ________ and with _______ type of grease.
What is "Read the Owner's Manual"?
400
This single part is made up of a spring, o-ring(s), rotating portion, and a stationary portion.
What is a Mechanical Seal?
400
The pumped water has a pH of 8.0. I should use this MOC.
What is Standard Construction? (Range 6-8 is considered neutral)
500
Rule #1 is _______.
What is, You must have water to pump water?
500
DAILY DOUBLE
There are _______watts in 1-HP?
500
Rotating component in a pump that turns static liquid in dynamic liquid.
What is an impeller?
500
NPSH
The "r" stands for __________.
What is required?
For DOUBLE SCORE:
Where do I find this number?
600
The amount of required atmospheric pressure available at sea level is _____.
What is 33.96'? (14.7 PSI, 29.92 inHG)
600
When a pump is tripping the breaker, this is likely the problem.
What is short circuit (bad motor)?
600
The part(s) of a pump used to support the shaft with radial and axial loads.
What are bearings?
600
Divide Pipe OD by the DR Rating to find ___________.
What is wall thickness?
700
Proper rotation of this pump.
What is Counter Clockwise?
700
On 480-Volts, HP x ____ will give you estimated nameplate AMPS.
What is 1.25?
700
Component used to control internal bypass resulting in a change of flow.
What is a FAV (Flow Adjust Valve)?
700
A pump that has cavitation on the tips of the impeller is said to have _______________cavitation.
What is high head?
800
DAILY DOUBLE
Flow is proportional to the shaft speed. Head is proportional to the square of the shaft speed. Power is proportional to the cube of the shaft speed.
800
You should set the instantaneous trip to ___________ on a motor tagged for 100-AMPS.
What is 700-Amps?
800
2 most common items for recommended spare parts are ____________ and ______________.
What are MECHANICAL SEAL and ROTATING ASSEMBLY?
800
This is a disadvantage when running pumps in a lead/lag scenario.
What is "both pumps wear out at the same time"?
Best Practice-Use hour meters.