Nate Electrical Exam
1. What electro-mechanical control would you use on a C: A thermostatic control
cap tube or automatic expansion valve system to main-
tain the space temperature?
2. Open motors are designed to operate at a given tem- A: indicates the temp. rise
perature rise as indicated on the motor nameplate. over the surrounding air of
What does this mean? a motor when the motor is
operating at full-load con-
ditions
3. A voltmeter is connected into a circuit in which of the B: Parallel
following ways?
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 operate A: 25 volts
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.
11. D: Trip armature
1/6
, Nate Electrical Exam
On a magnetic motor starter, the alloy piece that caus-
es the motor starter to open and shut off the motor if
too much motor current is drawn is called the:
12. A set of contacts in a pressure control that close when A: Direct acting
the pressure increases are Direct acting means "clos-
es on rise". Contacts close
on an increase
13. Which of the following control settings is typically B: Range
non-adjustable?
14. Ohm's law states: A: E = IR
15. All else being equal, which of the following wire sizes A: 10 ga
will carry the most current?
A: 10 ga B: 14 ga C: 12 ga D: 18 ga
16. The run capacitor on a motor is used to: A: Increase torque
17. Doubling the voltage to a resistance will cause the C: Quadruple
power or watts to:
18. What is impedance? A: Opposition to alternat-
ing current flow
19. How are fuses sized? A: By amperage C: By volt-
age
20. Capacitors are rated in: B: Microfarads C: Volts
21. One horsepower is equal to watts. B: 746
22. B: 110 ohms
2/6
1. What electro-mechanical control would you use on a C: A thermostatic control
cap tube or automatic expansion valve system to main-
tain the space temperature?
2. Open motors are designed to operate at a given tem- A: indicates the temp. rise
perature rise as indicated on the motor nameplate. over the surrounding air of
What does this mean? a motor when the motor is
operating at full-load con-
ditions
3. A voltmeter is connected into a circuit in which of the B: Parallel
following ways?
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 operate A: 25 volts
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.
11. D: Trip armature
1/6
, Nate Electrical Exam
On a magnetic motor starter, the alloy piece that caus-
es the motor starter to open and shut off the motor if
too much motor current is drawn is called the:
12. A set of contacts in a pressure control that close when A: Direct acting
the pressure increases are Direct acting means "clos-
es on rise". Contacts close
on an increase
13. Which of the following control settings is typically B: Range
non-adjustable?
14. Ohm's law states: A: E = IR
15. All else being equal, which of the following wire sizes A: 10 ga
will carry the most current?
A: 10 ga B: 14 ga C: 12 ga D: 18 ga
16. The run capacitor on a motor is used to: A: Increase torque
17. Doubling the voltage to a resistance will cause the C: Quadruple
power or watts to:
18. What is impedance? A: Opposition to alternat-
ing current flow
19. How are fuses sized? A: By amperage C: By volt-
age
20. Capacitors are rated in: B: Microfarads C: Volts
21. One horsepower is equal to watts. B: 746
22. B: 110 ohms
2/6
