HVAC 102 BASIC ELECTRICITY QUESTIONS AND ANSWERS
100% PASS
When a general duty split phase motor reaches approximately
75 percent of its operating speed the start winding is de
energized by __________.
Centrifugal switch
Run capacitors are wired in series with the starting winding
provide __________.
Greater starting torque
The shaded pole motor _______ .
Low/little starting torque
Three phase motors have _______.
Run windings only
A (psc) permanent split capacitor motor has a blank _________.
Run capacitor only
, When referring to motors, what does the term insulation class
refer to?
The normal operating temperature
The motor that should be used in a potentially wet area is a
___________.
Drip proof
Which of the following voltages are not safe for a 208 motor to
operate?
170v and 238v (both a and c)
A sleeve bearing would typically be used in a motor that
operates with a ________.
A light load where noise is a factor
If the voltage supplied to the motor is well below the motor
rated voltage, the current draw will be _______ it should be.
Higher than
The voltage tolerance of a standard single voltage electric
motor is ____________
100% PASS
When a general duty split phase motor reaches approximately
75 percent of its operating speed the start winding is de
energized by __________.
Centrifugal switch
Run capacitors are wired in series with the starting winding
provide __________.
Greater starting torque
The shaded pole motor _______ .
Low/little starting torque
Three phase motors have _______.
Run windings only
A (psc) permanent split capacitor motor has a blank _________.
Run capacitor only
, When referring to motors, what does the term insulation class
refer to?
The normal operating temperature
The motor that should be used in a potentially wet area is a
___________.
Drip proof
Which of the following voltages are not safe for a 208 motor to
operate?
170v and 238v (both a and c)
A sleeve bearing would typically be used in a motor that
operates with a ________.
A light load where noise is a factor
If the voltage supplied to the motor is well below the motor
rated voltage, the current draw will be _______ it should be.
Higher than
The voltage tolerance of a standard single voltage electric
motor is ____________
