Unit 47 Review

Unit 47 Review

University

35 Qs

quiz-placeholder

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Unit 47 Review

Unit 47 Review

Assessment

Quiz

Professional Development

University

Practice Problem

Medium

Created by

Randall Graham

Used 4+ times

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35 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The refrigerated cabinet temperature of a high-temperature refrigeration unit ranges from ____.

25°F to 45°F

45°F to 60°F

60°F to 75°F

75°F to 95°F

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a high-temperature refrigeration unit, the boiling point of the refrigerant in the coil is normally ____ lower than the cabinet temperature.

5°F to 15°F

10°F to 20°F

25°F to 35°F

35°F to 46°F

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Medium-temperature refrigerated cabinet temperatures range from ____.

5°F to 20°F

20°F to 35°F

30°F to 45°F

35°F to 50°F

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The process of ice making usually occurs in which temperature range?

0°C to 4°C

-1°C to 0°C

-2°C to 0°C

-10°C to -5°C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical evaporator temperature range for low-temperature applications?

-10°F to 0°F

0°F to 5°F

5°F to 20°F

20°F to 30°F

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Condensing units located outside that are required to operate year-round must have ____.

larger fan motors

CPR valves

all weather protection

head pressure control

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

With the entering air to the condenser above 70°F, the temperature difference between the outdoor air and the condensing temperature on standard units will be ____.

10°F to 15°F

15°F to 20°F

20°F to 25°F

25°F to 30°F

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