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Refrigeration and Air Conditioning

The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will__________________?

Refrigeration and Air Conditioning /
The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeg the evaporator temperature constant, will__________________?

A. increase
B. decrease
C. may increase or decrease depending on the type of refrigerant used
D. remain unaffected
E. unpredictable

The C.O.P. of a refrigeration cycle with lowering of condenser temperature, keeping the evaporator temperature constant, will__________________? Read More »

Refrigeration and Air Conditioning

The evolution of heat of solution takes place in ammonia absorption plant when _____________________?

Refrigeration and Air Conditioning /
The evolution of heat of solution takes place in ammonia absorption plant when _____________________?

A. ammonia vapour goes into solution
B. ammonia vapour is driven out of solution
C. lithium bromide mixes with ammonia
D. weak solution mixes with strong solution
E. lithium bromide is driven out of solution

The evolution of heat of solution takes place in ammonia absorption plant when _____________________? Read More »

Refrigeration and Air Conditioning

The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P_____________________?

Refrigeration and Air Conditioning /
The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P_____________________?

A. more
B. less
C. equally.
D. unpredictable
E. none of the above

The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P_____________________? Read More »

Refrigeration and Air Conditioning

The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is_________________?

Refrigeration and Air Conditioning /
The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is_________________?

A. same
B. more
C. less
D. more or less depending on ambient conditions
E. unpredictable

The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is_________________? Read More »

Refrigeration and Air Conditioning

The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________?

Refrigeration and Air Conditioning /
The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeg condenser temperature constant, will______________________?

A. increase
B. decrease
C. remain unaffected
D. may increase or decrease depending on the type of refrigerant used
E. unpredictable

The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________? Read More »

Refrigeration and Air Conditioning