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1. What electro-mechanical control would you use on C: A thermostatic control
a cap tube or automatic expansion valve system to
maintain the space temperature?
A: A dual pressure control
B: A low pressure control
C: A thermostatic control
D: A high pressure control
2. Open motors are designed to operate at a given A: indicates the temp. rise over
temperature rise as indicated on the motor name- the surrounding air of a motor
plate. What does this mean? when the motor is operating
at full-load conditions
A: indicates the temp. rise over the surrounding air
of a motor when the motor is operating at full-load
conditions
B: indicates the temp. rise of the motor.
C: indicates the temp. drop of the surrounding air.
D: indicates the temp. drop of the motor at rest.
3. A voltmeter is connected into a circuit in which of the B: Parallel
following ways?
A: Series
B: Parallel
C: Series-parallel
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D: Delta
4. A low pressure control is usually located on the: A: Condensing unit
A: Condensing unit
B: Evaporator
C: Cabinet
D: Blower
5. A high pressure control is usually located on the: A: Condensing unit
A: Condensing unit
B: Evaporator
C: Cabinet
D: Blower
6. The term "nominal voltage" refers to: D: The listed voltage
A: The actual voltage
B: The measured voltage
C: The average voltage
D: The listed voltage
7. Which of the following is a safety control? B: High pressure control
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A: Thermostat
B: High pressure control
C: Low pressure control
D: Humidistat
8. Low voltage controls are usually designed to operate A: 25 volts
at no more than:
A: 25 volts
B: 80 volts
C: 120 volts
D: 230 volts
9. A unit of power equal to one horsepower and deliv- B: Brake horsepower
ered at the shaft of a motor is known as:
A: Amperage
B: Brake horsepower
C: Horsepower
D: Voltage
10. What is the purpose of the holding circuit in a mag- B: Holds the main contacts
netic motor starter? closed until the control circuit
A: Holds the main contacts open until the control through the interlock is bro-
circuit through the interlock is made. ken.
Study online at https://quizlet.com/_6wz4rs
1. What electro-mechanical control would you use on C: A thermostatic control
a cap tube or automatic expansion valve system to
maintain the space temperature?
A: A dual pressure control
B: A low pressure control
C: A thermostatic control
D: A high pressure control
2. Open motors are designed to operate at a given A: indicates the temp. rise over
temperature rise as indicated on the motor name- the surrounding air of a motor
plate. What does this mean? when the motor is operating
at full-load conditions
A: indicates the temp. rise over the surrounding air
of a motor when the motor is operating at full-load
conditions
B: indicates the temp. rise of the motor.
C: indicates the temp. drop of the surrounding air.
D: indicates the temp. drop of the motor at rest.
3. A voltmeter is connected into a circuit in which of the B: Parallel
following ways?
A: Series
B: Parallel
C: Series-parallel
, Nate Electrical Exam Nate Electrical Exam
Study online at https://quizlet.com/_6wz4rs
D: Delta
4. A low pressure control is usually located on the: A: Condensing unit
A: Condensing unit
B: Evaporator
C: Cabinet
D: Blower
5. A high pressure control is usually located on the: A: Condensing unit
A: Condensing unit
B: Evaporator
C: Cabinet
D: Blower
6. The term "nominal voltage" refers to: D: The listed voltage
A: The actual voltage
B: The measured voltage
C: The average voltage
D: The listed voltage
7. Which of the following is a safety control? B: High pressure control
, Nate Electrical Exam Nate Electrical Exam
Study online at https://quizlet.com/_6wz4rs
A: Thermostat
B: High pressure control
C: Low pressure control
D: Humidistat
8. Low voltage controls are usually designed to operate A: 25 volts
at no more than:
A: 25 volts
B: 80 volts
C: 120 volts
D: 230 volts
9. A unit of power equal to one horsepower and deliv- B: Brake horsepower
ered at the shaft of a motor is known as:
A: Amperage
B: Brake horsepower
C: Horsepower
D: Voltage
10. What is the purpose of the holding circuit in a mag- B: Holds the main contacts
netic motor starter? closed until the control circuit
A: Holds the main contacts open until the control through the interlock is bro-
circuit through the interlock is made. ken.
