HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: The blower motor is not running. This could be caused by.
Answer:
a faulty blower motor or blower
relay.
Q: thermostat contacts are closed. The compressor and condenser fan are not
running. The blower
Answer:
motor is running. This could be caused by. the HP, LP, overloads, or oil pressure
switch are
open (line #11).
Q: The blower motor is not running. When the fan switch at the thermostat is
moved from the
Answer:
AUTO position to the FAN ON position, the blower runs. This could be caused by. a
faulty
thermostat - AUTO / FAN ON switch.
, HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: In the schematic, the crankcase heater will operate;
Answer:
when the compressor is off.
Q: in the schematic, the coil on line #11 does NOT control.
Answer:
the blower motor.
Q: In the schematic, the coil on line #12 controls the.
Answer:
blower motor relay.
Q: In the schematic, if the fuse in L2 is blown the.
Answer:
blower motor will continue to operate.
, HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: In the schematic, with the thermostat bulb closed, what voltage would be found
from Terminal Y to the Common side of the Contactor Coil on Line #11?
Answer:
24 Volts
Q: In the schematic, with the thermostat bulb closed and the fan switch in the
AUTO position, what voltage would be found from Terminal R to Terminal G
on the Thermostat?
Answer:
24 Volts
Q: How many Watts of Power are used by a heater operating at 460 Volts and
drawing 5 Amps?
Answer:
2,300 Watts
, HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: Two 120 volt incandescent light bulbs are wired in series, one is a 60 watt bulb,
the other is a 4
Answer:
watt bulb. The result would be both bulbs light
Q: A 240 Volt, 3 wire circuit can be split into two 120 Volt circuits.
Answer:
TRUE
Q: Which of the following in not a factor in determining impedance in an AC
circuit?
Answer:
Frequency
Q: When current flows, a _______________ is produced around the conductor.
Answer:
magnetic field
Verified Solutions | Latest 2026 Update
Q: The blower motor is not running. This could be caused by.
Answer:
a faulty blower motor or blower
relay.
Q: thermostat contacts are closed. The compressor and condenser fan are not
running. The blower
Answer:
motor is running. This could be caused by. the HP, LP, overloads, or oil pressure
switch are
open (line #11).
Q: The blower motor is not running. When the fan switch at the thermostat is
moved from the
Answer:
AUTO position to the FAN ON position, the blower runs. This could be caused by. a
faulty
thermostat - AUTO / FAN ON switch.
, HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: In the schematic, the crankcase heater will operate;
Answer:
when the compressor is off.
Q: in the schematic, the coil on line #11 does NOT control.
Answer:
the blower motor.
Q: In the schematic, the coil on line #12 controls the.
Answer:
blower motor relay.
Q: In the schematic, if the fuse in L2 is blown the.
Answer:
blower motor will continue to operate.
, HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: In the schematic, with the thermostat bulb closed, what voltage would be found
from Terminal Y to the Common side of the Contactor Coil on Line #11?
Answer:
24 Volts
Q: In the schematic, with the thermostat bulb closed and the fan switch in the
AUTO position, what voltage would be found from Terminal R to Terminal G
on the Thermostat?
Answer:
24 Volts
Q: How many Watts of Power are used by a heater operating at 460 Volts and
drawing 5 Amps?
Answer:
2,300 Watts
, HVAC Excellence - ELECTRICITY Questions and Answers with
Verified Solutions | Latest 2026 Update
Q: Two 120 volt incandescent light bulbs are wired in series, one is a 60 watt bulb,
the other is a 4
Answer:
watt bulb. The result would be both bulbs light
Q: A 240 Volt, 3 wire circuit can be split into two 120 Volt circuits.
Answer:
TRUE
Q: Which of the following in not a factor in determining impedance in an AC
circuit?
Answer:
Frequency
Q: When current flows, a _______________ is produced around the conductor.
Answer:
magnetic field
