The automatic control of a system is intended to ____.
04. ACR-105 UNIT 13 END OF UNIT TEST

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Instructional Technology
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University
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Easy

Jansen Godley
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
maintain the working conditions of the equipment with a controllable device
evaluate overloading situations
maintain stable or constant conditions without excessive human interference
maintain safe operations for service technicians
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Modulating controls are used to ____.
start motors
stop motors
vary the speed of a motor
stop the flow of a liquid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a control is required to control space or product temperature, it is called a ____.
safety device
thermostat
pressure control
speed control
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A thermal system overload may occur if a specific electrical or mechanical component is not cooled properly, resulting in ____.
underload
failure
stagnation pressure
overheating
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Devices, such as thermostats, that open and close their contacts during the ____ operation of the system are referred to as operational controls.
normal
initial
most recent
final
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The compressor in the refrigerator has a protective device that keeps it from overloading and damaging itself. This device is called a(n) ____.
overload
capacitor
mass control
speed control
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The metals most often used in a bimetal temperature control are ____.
copper and brass
copper and steel
brass and steel
brass and aluminum
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