Unit 18
Unit 17
Unit 19
Unit 20
Final Jep. Score x10 Combined Unit ?'s
100
This instrument is used to check the alignment of a motor shaft to a compressor shaft
What is a dial indicator.
100
This winding has more turns that the run winding...
What is the start winding.
100
This is the most accurate type of device used for overload protection.
What is a magnetic overload.
100
The purpose of a bleed resistor is to do this...
What is extend contact life.
100
When a split phase motor reaches approximately 75% of its rated speed it uses this kind of switch to shut out the start winding.
What is centrifugal switch.
200
This motor is potentially used in a wet area.
What is a drip proof motor.
200
This motor has very little starting torque.
What is a shaded pole motor.
200
Motor overload protections are set by this organization...
What is NEC.
200
If a motor hums and will not start it could be because of this...(more than one answer)
What is Start components; open winding; insufficient supply voltage.
200
Vibration of a motor is not carried to the motor mount with this type of mount...
What is a resilient mount.
300
Voltage tolerance of a standard electric motor is between these two percentages.
What is +10%to-10%.
300
A motors speed is determined by these two factors.
What is frequency and # of poles.
300
The service factor of an electric motor is determined by this
What is the motors reserve capacity.
300
You should do this to repair a fractional horsepower motor that has worn sleeve bearings...
What is replace the entire motor.
300
A capacitor should be discharged with this...
What is a resistor.
400
A large direct drive blower is usually connected to a load with this.
What is a coupling.
400
A single phase two speed motor operates on this number of poles in low speed.
What is 4 poles in low speed.
400
This type of overload device is not affected by ambient temperature.
What is a Magnetic overload device.
400
This type of capacitor is oil filled, and metal.
What is a run capacitor.
400
If the voltage to a motor is lower than the motors rated voltage, the current draw will be this... (Higher/Lower)
What is Higher.
500
The screw at the bottom of the bearing housing which has a grease fill fitting is known as this.
What is a relief plug.
500
This relay opens and closes its contacts based on the current in the RUN winding...
What is current start relay.
500
The RLA of an electric motor is approximately this percent of LRA.
What is 20%
500
This relay operates off of the counter emf generated by the start winding.
What is potential relay.
500
"Insulation Class" relates to this when referring to motor...
What is normal operating temps of the motor.