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Refrigeration and Air Conditioning Technician
BASIC REFRIGERATION
Set 4
Set 4
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Q9750
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Which law is related to the constant PV at constant T?
A
Boyles law
B
Charles s law
C
Pascal s law
D
Renaults law
Q9751
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Which thermodynamic process the temperature is kept constant?
A
Isobaric process
B
Isothermal process
C
Constant volume process
D
Constant pressure process
Q9752
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What is the equivalent absolute scale for centigrade?
A
Kelvin
B
Celsius
C
Rankine
D
Fahrenheit
Q9753
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Which method is used to connect the swaged joint in copper tubes?
A
TIG welding
B
Silver brazing
C
Lead soldering
D
Fusion welding
Q9754
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Which components maintain the pressure difference in RAC system?
A
Condenser and filter
B
Evaporator and motor
C
Receiver and condenser
D
Compressor and expansion device
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