Type 3 Quiz

Type 3 Quiz

Professional Development

46 Qs

quiz-placeholder

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Type 3 Quiz

Type 3 Quiz

Assessment

Quiz

Other

Professional Development

Hard

Created by

Daniel Perez

Used 12+ times

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46 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

A technician servicing low- pressure appliances must be certified under

Type III cert. Of section 608

Type II cert. Of section 608

Type I Of section 608

All of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

When recharging a low-pressure system, you should allow enough ____________ to enter the system until the refrigerant saturation temperature increases to _______degrees before introducing liquid refrigerant.

vapor / 32

vapor / 36

liquid / 32

liquid / 36

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

EPA regulations require that all chillers containing 50 or more pounds of ozone-depleting refrigerant that are used for comfort cooling be reparied when the leak rate exceeds___________percent fo the charge per year.

5

10

15

30

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Charging liquid R-245f refrigerant into a low-pressure refrigeration system under ___ mercury vacuum can cause the system water to freeze.

10"

25"

29"

18"

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The leak rate threshold for comfort cooling appliances with a full charge of 50 pounds or more of HCFC refrigerant is _________%.

30

20

25

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The purpose of a hydrostatic tube test is to:

determine if a tube has refrigerant in it

determine if a tube is leaking

determine if the pressure inside of the tube is less than required

none of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

In low pressure chillers, the most frequent route of moisture entry is:

air leak from gasketed areas or fittings

around compressor sweat fittings

above the condenser inlet

either a or b

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