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HVAC 201

Authored by Jamey Amparo

Science

Professional Development

Used 1+ times

HVAC 201
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the tool used to open and close the service valve?

Service port wrench

Valve opening tool

Adjustable service key

Ratcheting service wrench

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the service port in the valve?

To regulate the flow of refrigerant

To isolate and seal off one side of the system

To release excess pressure from the system

To connect the valve to the compressor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can happen if the service port is unscrewed all the way out?

The refrigerant charge is lost

The valve becomes permanently closed

The valve becomes damaged

The system pressure increases

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the keeper ring on the service port?

To secure the service port in place

To stop the service port from unscrewing completely

To prevent the valve from opening too wide

To indicate the maximum pressure allowed in the system

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can happen if the service valve is overheated during brazing?

The o-ring inside the valve melts

The system pressure increases

The refrigerant charge is lost

The valve becomes permanently closed

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of valve is commonly used in refrigeration and has a ball valve design?

Service port valve

Ball valve

Mid seat valve

Back seat valve

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is the king valve located in a refrigeration system?

On the compressor

On the liquid receiver

On the service port

On the condenser

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