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Worksheets

How does a Refrigerator work

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

How does the refrigerator cool down?

a)

Through evaporator

b)

Through compressor

c)

Through condenser

d)

Through refrigerant controller

2.

What is the function of the evaporator fan in the refrigerator?

a)

Reduce refrigerant flow

b)

Maintain even temperature

c)

Heat the air

d)

Increase pressure

3.

What is the advantage of inverter compressor over single-speed compressor?

a)

More stable temperature control

b)

Lower energy consumption

c)

Higher durability

d)

Faster cooling speed

4.

The function of the refrigerant controller in the refrigerator is?

a)

Increase pressure

b)

Decrease pressure

c)

Control refrigerant flow

d)

Heat refrigerant

5.

In what state does the refrigerant enter the evaporator in the refrigerator?

a)

Liquid

b)

Solid

c)

Gas

d)

Isothermal

6.

In what state does the refrigerant enter the capillary tube in the refrigerator?

a)

Gaseous

b)

Liquid

c)

Solid

d)

Isothermal

7.

In what state does the refrigerant in the refrigerator enter the condenser?

a)

Gaseous

b)

Liquid

c)

Solid

d)

Isothermal

8.

What is the purpose of the condenser in a refrigerator?

a)

Heat the refrigerant

b)

Cool the refrigerant

c)

Control refrigerant flow

d)

Reduce pressure

9.

How does the evaporator in a refrigerator function?

a)

Heats the air

b)

Reduces pressure

c)

Cools the air

d)

Controls refrigerant flow

10.

What is the role of the capillary tube in a refrigerator?

a)

Heating the refrigerant

b)

Controlling refrigerant flow

c)

Reducing pressure

d)

Cooling the refrigerant

11.

How does the evaporator in an air conditioner function?

a)

Heats the air

b)

Reduces pressure

c)

Cools the air

d)

Controls refrigerant flow

12.

What is the function of the refrigerant controller in an air conditioner?

a)

Increase pressure

b)

Decrease pressure

c)

Control refrigerant flow

d)

Heat refrigerant

13.

What is the purpose of the evaporator in a refrigerator?

a)

Heats the air

b)

Reduces pressure

c)

Cools the air

d)

Controls refrigerant flow

14.

What is the role of the expansion valve in a refrigerator?

a)

Heating the refrigerant

b)

Controlling refrigerant flow

c)

Reducing pressure

d)

Cooling the refrigerant