
ACR 105 Final
Quiz
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Other
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University
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Practice Problem
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Easy
Devell Young
Used 17+ times
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57 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The automatic control of a system is intended to ___.
evaluate overloading situations
maintain safe operations for service technicians
maintain stable or constant conditions without excessive human interference
maintain the working conditions of the equipment with a controllable device
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Modulating controls are used to ___.
start motors
stop the flow of a liquid
vary the speed of a motor
stop motors
3.
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 ___.
overheating
underheating
stable temperature
constant temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The metals most often used in a bimetal temperature control are ____.
copper and brass
brass and steel
copper and steel
brass and aluminum
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Bourdon tube ____.
curls inward with an increase in vapor pressure
straightens out with an increase in vapor pressure
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fluid expansion is a way to sense temperature change.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The most popular type of bimetal element used for temperature control of a gas hot water heater is rod and _______________.
tube
strip
coil
plate
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