RSES Refrigeration Fundamentals & System Components

Question 1

What is the primary function of a refrigeration system?

Accepted Answer

Remove heat and maintain cooling

Answer

Generate electricity

Answer

Create sound waves

Answer

Produce light

Question 2

Which component compresses the refrigerant gas in a system?

Accepted Answer

Compressor

Answer

Condenser

Answer

Evaporator

Answer

Thermostat

Question 3

What role does the evaporator play in the refrigeration cycle?

Accepted Answer

Absorbs heat

Answer

Condenses refrigerant

Answer

Stores liquid

Answer

Produces electricity

Question 4

Which refrigerant is known for being environmentally friendly?

Accepted Answer

R-134a

Answer

R-22

Answer

R-11

Answer

Ammonia

Question 5

What is subcooling in refrigeration?

Accepted Answer

Cooling below condensing point

Answer

Warming refrigerant

Answer

Freezing coils

Answer

Insulating pipes

Question 6

Which device controls the refrigerant flow into the evaporator?

Accepted Answer

TXV

Answer

Accumulator

Answer

Filter-drier

Answer

Solenoid coil

Question 7

What happens in the condenser unit?

Accepted Answer

Releases heat and condenses

Answer

Expands gas

Answer

Absorbs moisture

Answer

Blocks airflow

Question 8

What type of heat transfer occurs in a refrigeration system?

Accepted Answer

Conduction, convection, and radiation

Answer

Only conduction

Answer

Only radiation

Answer

Magnetic force

Question 9

Which tool measures refrigerant pressure in a system?

Accepted Answer

Manifold gauge

Answer

Thermometer

Answer

Ohmmeter

Answer

Clamp meter