CFESA ELECTRICAL PRACTICE TEST
100% CORRCET
In order to be used for motor circuits a switch must be rated: - ANSWER
How can you tell if a thermostat is pilot duty? - ANSWER
Solid-state temperature controllers can usually maintain temperature differentials
of_____by cycling the heat off and on as it approaches the setpoint. - ANSWER
A capacitor start motor should be used in what applications? - ANSWER
You have 120 V super warmer that is not heating. Your meter reads 120 V from each
side of the element to the ground. The voltage across the element reads 0 V. What is
the issue? - ANSWER
A ground fault breaker is considered more reliable than a ground fault receptacle. T or
F? - ANSWER
It is still possible to get shocked by touching the casing of a piece of equipment if it is
properly grounded. T or F? - ANSWER
Before working on electrical equipment with the power on: - ANSWER
Add 240 V range connected to a 208 V power supply will: - ANSWER
When removing a thermostat from a piece of equipment that may be under warranty, it
is permissible to cut off the capillary tube to make a faster repair when: - ANSWER
A thermostat has a differential of 5°F. This means: - ANSWER
A step down transformer is rated at 60 VA. The primary side is connected to on 120
VAC and the secondary output is 30 VAC. - ANSWER
Wall receptacles failed due to: - ANSWER
Contacts on a contactor that are melted together indicate: - ANSWER
If a neon signal light is shorted: - ANSWER
AC power has a negative and a positive line. T or F? - ANSWER
Which formula should you use to determine the power consumed by a 15 heater
element with 8 A of current flowing through it? - ANSWER
100% CORRCET
In order to be used for motor circuits a switch must be rated: - ANSWER
How can you tell if a thermostat is pilot duty? - ANSWER
Solid-state temperature controllers can usually maintain temperature differentials
of_____by cycling the heat off and on as it approaches the setpoint. - ANSWER
A capacitor start motor should be used in what applications? - ANSWER
You have 120 V super warmer that is not heating. Your meter reads 120 V from each
side of the element to the ground. The voltage across the element reads 0 V. What is
the issue? - ANSWER
A ground fault breaker is considered more reliable than a ground fault receptacle. T or
F? - ANSWER
It is still possible to get shocked by touching the casing of a piece of equipment if it is
properly grounded. T or F? - ANSWER
Before working on electrical equipment with the power on: - ANSWER
Add 240 V range connected to a 208 V power supply will: - ANSWER
When removing a thermostat from a piece of equipment that may be under warranty, it
is permissible to cut off the capillary tube to make a faster repair when: - ANSWER
A thermostat has a differential of 5°F. This means: - ANSWER
A step down transformer is rated at 60 VA. The primary side is connected to on 120
VAC and the secondary output is 30 VAC. - ANSWER
Wall receptacles failed due to: - ANSWER
Contacts on a contactor that are melted together indicate: - ANSWER
If a neon signal light is shorted: - ANSWER
AC power has a negative and a positive line. T or F? - ANSWER
Which formula should you use to determine the power consumed by a 15 heater
element with 8 A of current flowing through it? - ANSWER
