Title: Unit 7 Quiz
Course: HAC 131 Refrigeration & Air Conditioning 1 > Section: HAC 131 Refrigeration & Air Conditioning 1

Q: Indicate whether the statement is true or false.

The temperature inside of the fresh food section of a standard refrigerator should be 35 degrees.
- True
- False
A: True

Q: Indicate whether the statement is true or false.

A ton of refrigeration is equal to about 28,000 Btu/24-hr.
- True
- False
A: False

Q: Indicate whether the statement is true or false.

Reciprocating compressors have a piston and a cylinder.
- True
- False
A: True

Q: Indicate whether the statement is true or false.

The compressor controls the flow of the refrigeration system and is located at the inlet of the evaporator.
- True
- False
A: False

Q: Indicate whether the statement is true or false.

Good ventilation is preferred when working around refrigerants.
- True
- False
A: True

Q: Indicate whether the statement is true or false.

The evaporator in a refrigeration system must be colder than the air surrounding it.
- True
- False
A: True

Q: Indicate whether the statement is true or false.

The reciprocating compressor is a positive displacement compressor that is used to large AC system and refrigeration equipment.
- True
- False
A: False

Q: Identify the choice that best completes the statement or answers the question.

High temperature refrigeration is produced by ______________.
- heating system
- an AC system
- freezer
- refrigerator
A: an AC system

Q: Identify the choice that best completes the statement or answers the question.

Refrigeration is ______________.
- the process of removing heat from a place where it is not wanted to a place where it makes little or no difference.
- the removal of heat.
- the absorption of heat.
- the process of making products stay cold.
A: the process of removing heat from a place where it is not wanted to a place where it makes little or no difference.

Q: Identify the choice that best completes the statement or answers the question.

The __________ is used to change the vapor to a liquid and the liquid back into a vapor in the refrigeration cycle.
- condenser and compressor
- condenser and evaporator
- metering device and evaporator
- evaporator and compressor
A: condenser and evaporator

Q: Identify the choice that best completes the statement or answers the question.

The evaporator ____________________.
- pumps refrigerant
- rejects heat
- controls flow
- absorbs heat
A: absorbs heat

Q: Identify the choice that best completes the statement or answers the question.

The condenser ______________.
- absorbs heat
- rejects heat
- controls flow
- pumps the refrigerant
A: rejects heat

Q: Identify the choice that best completes the statement or answers the question.

When refrigerant enters the compressor is it _____________.
- low pressure, low temp superheated vapor
- high pressure vapor
- high pressure liquid
- low pressure, low temp superheated liquid
A: low pressure, low temp superheated vapor

Q: Identify the choice that best completes the statement or answers the question.

When refrigerant leaves the compressor it is ______________.
- a high pressure, high temp liquid.
- superheat liquid.
- high pressure, high temp superheated vapor.
- a mixture of liquid and vapor.
A: high pressure, high temp superheated vapor.