02. ACR-104 UNIT 21 REVIEW QUESTIONS

02. ACR-104 UNIT 21 REVIEW QUESTIONS

University

7 Qs

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02. ACR-104 UNIT 21 REVIEW QUESTIONS

02. ACR-104 UNIT 21 REVIEW QUESTIONS

Assessment

Quiz

Instructional Technology

University

Practice Problem

Easy

Created by

Jansen Godley

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sensible heat that is added to a saturated vapor after all of the liquid

has boiled away is referred to as _______.

radiant heat

superheat

real heat

thermal heat

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refrigerant in the evaporator

changes from vapor to liquid.

changes from liquid to vapor.

stays in the vapor state.

stays in the liquid state.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A refrigerant system’s evaporator typically runs about______degrees of superheat.

16°F-20°F

10°F-14°F

8°F-12°F

8°F-15°F

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A low evaporator superheat indicates

undercharge.

system restriction.

overcharge.

dirt buildup.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Flooded evaporators use a(n)_______type of expansion device.

even-flow

low-side float

high-side float

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an evaporator experiences a heat-load increase, the suction pressure

remains constant.

decreases.

varies up and down.

increases.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A medium-temperature refrigeration box operates within what temperature range?

28°F to 40°F

40°F to 60°F

0°F to 220°F

0°F to 50°F