04. ACR-105 UNIT 13 END OF UNIT TEST

04. ACR-105 UNIT 13 END OF UNIT TEST

University

28 Qs

quiz-placeholder

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04. ACR-105 UNIT 13 END OF UNIT TEST

04. ACR-105 UNIT 13 END OF UNIT TEST

Assessment

Quiz

Instructional Technology

University

Practice Problem

Easy

Created by

Jansen Godley

Used 2+ times

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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The automatic control of a system is intended to ____.

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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