Quiz test 4

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Quiz test 4

What is the suction pressure of R22? *

1 point

225 to 230 psi

115 to 200 psi

250 to 300 psi

60 to 70 psi

Fahrenheit is unit of________. *

1 point

Speed

Pressure

Force

None of the above

What is the unit of refrigeration in MKS system? *

1 point

BTU/hr

Kcal/hr

Kilo joule/hr

None of the above

Naturally, heat flows from________. *

1 point

Low level to higher level

Higher temperature to lower temperature

Lower temperature to higher temperatue

None of the above

which of the following is the mode of heat transfer? *

1 point

Conduction

convection

Rediation

all of the above

Which of the following is the function of an air conditioner? *

1 point

Air circulation

control of humidity and temperature

both a & b

In ______ compressor piston is used to compress the refrigerant. *

1 point

Reciprocating

Screw

Centrifugal

Scroll

Volume of air measured in_____. *

1 point

CFM

CMH

both

Full form of CFM? *

1 point

Which system is power saving? *

1 point

Vapor compression system

vapor absorption system

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