Nate Electrical Exam
What electro-mechanical control would you use on a cap tube or automatic
expansion
valve system to maintain the space temperature? correct answers C: A
thermostatic
contr
ol
Open motors are designed to operate at a given temperature rise as
indicated
motor on the What does this mean? correct answers A: indicates the
nameplate.
temp.the
over risesurrounding air of a motor when the motor is operating at full-load
conditions
A voltmeter is connected into a circuit in which of the following ways?
correct answers
B:
Parallel
A low pressure control is usually located on the: correct answers A:
Condensing unit
A high pressure control is usually located on the: correct answers A:
Condensing unit
The term "nominal voltage" refers to: correct answers D: The
listed voltage
Which of the following is a safety control? correct answers B: High
pressure control
Low voltage controls are usually designed to operate at no more than:
correct
A: 25 answers
volts
A unit of power equal to one horsepower and delivered at the shaft of a
motor is known
as: correct answers B: Brake
horsepower
What is the purpose of the holding circuit in a magnetic motor starter?
correct
B: Holdsanswers
the main contacts closed until the control circuit through the
interlock is broken.
On a magnetic motor starter, the alloy piece that causes the motor starter
to open
shut off and
the motor if too much motor current is drawn is called the: correct
answers D:
Trip
armature
A set of contacts in a pressure control that close when the pressure
increases
correct are
answers A: Direct
acting
Direct acting means "closes on rise". Contacts close on an
increase
Which of the following control settings is typically non-adjustable? correct
answers B:
Rang
e
Ohm's law states: correct answers A: E
= IR
All else being equal, which of the following wire sizes will carry the
most current?
What electro-mechanical control would you use on a cap tube or automatic
expansion
valve system to maintain the space temperature? correct answers C: A
thermostatic
contr
ol
Open motors are designed to operate at a given temperature rise as
indicated
motor on the What does this mean? correct answers A: indicates the
nameplate.
temp.the
over risesurrounding air of a motor when the motor is operating at full-load
conditions
A voltmeter is connected into a circuit in which of the following ways?
correct answers
B:
Parallel
A low pressure control is usually located on the: correct answers A:
Condensing unit
A high pressure control is usually located on the: correct answers A:
Condensing unit
The term "nominal voltage" refers to: correct answers D: The
listed voltage
Which of the following is a safety control? correct answers B: High
pressure control
Low voltage controls are usually designed to operate at no more than:
correct
A: 25 answers
volts
A unit of power equal to one horsepower and delivered at the shaft of a
motor is known
as: correct answers B: Brake
horsepower
What is the purpose of the holding circuit in a magnetic motor starter?
correct
B: Holdsanswers
the main contacts closed until the control circuit through the
interlock is broken.
On a magnetic motor starter, the alloy piece that causes the motor starter
to open
shut off and
the motor if too much motor current is drawn is called the: correct
answers D:
Trip
armature
A set of contacts in a pressure control that close when the pressure
increases
correct are
answers A: Direct
acting
Direct acting means "closes on rise". Contacts close on an
increase
Which of the following control settings is typically non-adjustable? correct
answers B:
Rang
e
Ohm's law states: correct answers A: E
= IR
All else being equal, which of the following wire sizes will carry the
most current?
