Refrigeration and Air Conditioning
Ammonia absorption refrigeration cycle requires

Maximum work input
Very little work input
Zero work input
Nearly same work input as for vapour compression cycle

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Refrigeration and Air Conditioning
Which of the following statement is wrong?

None of the listed here
The value of C.O.P. is always greater than one
In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour
The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region

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