ACR 105

ACR 105

Professional Development

20 Qs

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ACR 105

ACR 105

Assessment

Quiz

Other

Professional Development

Practice Problem

Easy

Created by

Jamey Amparo

Used 1+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of all metering devices?

To maintain superheat


To provide refrigerant to the evaporator in order to absorb heat

To prevent floodback

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What could be a potential consequence of floodback in a refrigeration system?

Increased efficiency of the system

Damage to the compressor

Improved cooling capacity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to maintain superheat in a refrigeration system?

To ensure the refrigerant is at the correct temperature before it enters the compressor

To increase the cooling capacity of the system

To prevent the evaporator from freezing

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are two ways a metering device lowers the temperature of refrigerant as it enters the evaporator?

Subcooling and de-superheating

Drop in pressure and increase in superheat

Drop in pressure and adiabatic expansion

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the compressor in a refrigeration system?

To increase the pressure of the refrigerant

To decrease the temperature of the refrigerant

To prevent floodback

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What could be a potential consequence of having too much superheat in a refrigeration system?

Increased efficiency of the system

Damage to the compressor

Decreased cooling capacity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the cap on a service valve stem?

To keep the valve stem from being hit accidentally

To prevent dirt from damaging the packing when the valve is opened

To prevent refrigerant leaks

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