HVAC Excellence ELECTRICITY ACTUAL EXAM ALL QUESTIONS
and CORRECT ANSWERS LATEST UPDATE THIS YEAR
, 2 of 110
Term
Circuit breakers & fuses are primarily used to provide;
Give this one a try later!
enhance the efficiency of the circuit. control the flow of current.
protection from an overload of
regulate the voltage level.
current.
Don't know?
3 of 110
Term
In the schematic, what voltage would be found across the condenser
fan motor?
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O volts, 0 volts
24 Volts 240 volts.
, Don't know?
4 of 110
Term
When current flows, a _______________ is produced around the conductor.
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thermal field magnetic field
electric field gravitational field
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5 of 110
Term
The symbol for a pressure switch that opens on pressure rise is
represented by diagram.
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B Z
, C A
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6 of 110
Term
The synchronous speed of a four pole, 60 Hz single phase motor is;
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1800 rpm. 1200 rpm.
900 rpm. 3600 rpm.
Don't know?
7 of 110
Term
When the temperature of a negative temperature coefficient (NTC)
thermistor increases, its resistance will.
Give this one a try later!
and CORRECT ANSWERS LATEST UPDATE THIS YEAR
, 2 of 110
Term
Circuit breakers & fuses are primarily used to provide;
Give this one a try later!
enhance the efficiency of the circuit. control the flow of current.
protection from an overload of
regulate the voltage level.
current.
Don't know?
3 of 110
Term
In the schematic, what voltage would be found across the condenser
fan motor?
Give this one a try later!
O volts, 0 volts
24 Volts 240 volts.
, Don't know?
4 of 110
Term
When current flows, a _______________ is produced around the conductor.
Give this one a try later!
thermal field magnetic field
electric field gravitational field
Don't know?
5 of 110
Term
The symbol for a pressure switch that opens on pressure rise is
represented by diagram.
Give this one a try later!
B Z
, C A
Don't know?
6 of 110
Term
The synchronous speed of a four pole, 60 Hz single phase motor is;
Give this one a try later!
1800 rpm. 1200 rpm.
900 rpm. 3600 rpm.
Don't know?
7 of 110
Term
When the temperature of a negative temperature coefficient (NTC)
thermistor increases, its resistance will.
Give this one a try later!
