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HVAC Excellence - ELECTRICITY Exam 2024 Questions With Complete Solutions.
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HVAC Excellence - ELECTRICITY Exam 2024 Questions With Complete Solutions.
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Name: Score:110 Multiple choice questions
Term 1 of 110
When testing the windings of a single phase motor,
the common to run terminals show the lowest resistance.
the neutral to ground terminals show the lowest resistance.
three supply lines.
the high to low terminals show the lowest resistance.
Term 2 of 110
In the schematic, what voltage would be found across the contacts when energized in line #8
240 volts.
o volts,
24 volts
0 volts.
Term 3 of 110
In the schematic, what voltage would be found from terminal G to the load side of the
transformer?
240 volts
24 volts
0 volts
o volts,
,Term 4 of 110
A three phase load requires a minimum of;
line starter.
decrease.
three supply lines.
two supply lines.
Definition 5 of 110
electromagnetism.
The total resistance of a parallel circuit will be;
Single phase motor speed is determined by the.
A solenoid valve coil operates on the principle of
Which of the following would be considered an inductive load?
Term 6 of 110
Which of the following in not a factor in determining impedance in an AC circuit?
Frequency
Intensity
Amplitude
Wavelength
,Definition 7 of 110
generate a small DC electrical current.
Circuit breakers & fuses are primarily used to provide;
The total resistance of a parallel circuit will be;
In the schematic, the coil on line #11 does not control.
A typical thermocouple used on a gas furnace can.
Definition 8 of 110
short circuit.
Resistance can be calculated by:
Divided voltage can be calculated by;
Excessive current can be caused by;
Fuses are sized by:
Term 9 of 110
Single phase motor speed is determined by the.
number of stator poles.
blower motor relay.
protection from an overload of current.
supply voltage.
, Term 10 of 110
A step up transformer increases;
voltage.
wattage.
electromagnetism.
pressure.
Term 11 of 110
Relays are generally used to control inductive loads up to __________ amps.
10
208
top
Z
Term 12 of 110
The ______________ drawing illustrates where the components are located in small appliances.
abstract
pictorial
schematic
narrative
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