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Compressor

Total questions: 13

Worksheet time: 13mins

Name
Class
Date
1.

State the two functions of the compressor

4 lines
2.

The pressure within the compressor crankcase is the same as the _ side pressure

a)

High

b)

Low

3.

The suction reed will only open when the pressure within the cylinder is _ than the suction pressure

a)

Higher

b)

Lower

4.

The discharge reed will only open when the pressure within the cylinder is _ than the discharge pressure.

a)

Higher

b)

Lower

5.

The Hermetic compressor  has a body made from _ that is _ together

a)

Cast iron

b)

Pressed steel

c)

bolted

d)

Welded

6.

The Semi-Hermetic compressor has a body made from _ that is _ together

a)

Cast iron

b)

Pressed steel

c)

bolted

d)

welded

7.

The Open-Drive compressor has a body made from _ that is _ together

a)

Cast iron

b)

Pressed steel

c)

Welded

d)

Bolted

8.

Which compressor body style can not be serviced?  

a)

Hermetic

b)

Open Drive

c)

Semi Hermetic

9.

Which compressor body style has a shaft seal?  

a)

Hermetic

b)

Semi Hermetic

c)

Open Drive

10.

Which compressor body style does not rely on suction gasses to help cool the electric motor windings?

a)

Hermetic

b)

Semi Hermetic

c)

Open Drive

11.

The discharge line from the compressor is connected to the _ of the _

a)

Top

b)

Bottom

c)

Condenser

d)

Evaporator

12.

Which compressor body style is serviceable and contains the electric motor, compression device and the crankshaft? 

a)

Hermetic

b)

Semi Hermetic

c)

Open Drive

13.

Name the six vapour compression devices

4 lines