CHS type III

CHS type III

12th Grade

77 Qs

quiz-placeholder

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CHS type III

CHS type III

Assessment

Quiz

Specialty

12th Grade

Hard

Created by

Mark Howell

Used 2+ times

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77 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of appliance can a technician work on with a Type III Certification?

Convenience store refrigerators

Ice machines that fit under the counter

Low pressure appliances such as chillers

High pressure appliances such as heat pumps

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Low pressure appliances operate...

As a high pressure system.

In a vacuum or below atmospheric pressure.

Above atmospheric pressure.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the purge unit take its suction from?

The lowest point of the system

The top of the condenser

The evaporator charging valve

The bottom of the condenser

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pressure relief device on a low-pressure chiller called?

A vent pipe

A purge unit

An evaporator valve

A rupture disc

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the boiling point of R-123 refrigerant at atmospheric pressure?

0 degrees F

83 degrees F

- 15 degrees F

26 degrees F

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When charging a low pressure water chiller with R-123, charging begins with vapor, until what pressure is reached in the system?

25 "hg

18.9 "hg

0 "hg

84 psig

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the condensing temperature of a low pressure chiller is 100 degrees F, that means the high side pressure is:

19 psig

6.1 "hg

83 psig

6.1 psig

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