Nate Electrical
Exam
1. What electro-mechanical control would you
C: A thermostatic control
use on a cap tube or automatic expansion valve
system to main- tain the space temperature?
2. Open motors are designed to operate at a
A: indicates the temp.
given tem- perature rise as indicated on the
rise over the
motor nameplate. What does this mean?
surrounding air of a
motor when the motor
is operating at full-load
3. A voltmeter is connected into a circuit in which con- ditions
of the following ways?
B: Parallel
4. A low pressure control is usually located on the: A: Condensing unit
5. A high pressure control is usually located on the:A: Condensing unit
6. The term "nominal voltage" refers to: D: The listed voltage
7. Which of the following is a safety control? B: High pressure
control
8. Low voltage controls are usually designed to A: 25 volts
operate at no more than:
9. A unit of power equal to one horsepower and delivered B: Brake
horsepower
at the shaft of a motor is known as:
10. What is the purpose of the holding circuit in a magnetic B: Holds the
main contacts
motor starter? closed until the control cir- cuit
through the interlock is
broken.
1/
12
, Nate Electrical
Exam
11. D: Trip armature
2/
12
Exam
1. What electro-mechanical control would you
C: A thermostatic control
use on a cap tube or automatic expansion valve
system to main- tain the space temperature?
2. Open motors are designed to operate at a
A: indicates the temp.
given tem- perature rise as indicated on the
rise over the
motor nameplate. What does this mean?
surrounding air of a
motor when the motor
is operating at full-load
3. A voltmeter is connected into a circuit in which con- ditions
of the following ways?
B: Parallel
4. A low pressure control is usually located on the: A: Condensing unit
5. A high pressure control is usually located on the:A: Condensing unit
6. The term "nominal voltage" refers to: D: The listed voltage
7. Which of the following is a safety control? B: High pressure
control
8. Low voltage controls are usually designed to A: 25 volts
operate at no more than:
9. A unit of power equal to one horsepower and delivered B: Brake
horsepower
at the shaft of a motor is known as:
10. What is the purpose of the holding circuit in a magnetic B: Holds the
main contacts
motor starter? closed until the control cir- cuit
through the interlock is
broken.
1/
12
, Nate Electrical
Exam
11. D: Trip armature
2/
12
