Refrigeration and Air Conditioning In case of sensible cooling of air, the coil efficiency is given by 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B.P.F. 1/ B.P.F. 1 + B.P.F. P.F. - 1 1 - B.P.F. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In S.J. unit, one ton of refrigeration is equal to 210 kJ/ min 840 kJ/ min 21 kJ/ min 420 kJ/ min 210 kJ/ min 840 kJ/ min 21 kJ/ min 420 kJ/ min ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It reacts with copper and its alloys. It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. All of these It reacts with copper and its alloys. It is toxic to mucous membranes. It requires large displacement per TR compared to fluoro carbons. All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Maximum work input Very little work input Nearly same work input as for vapour compression cycle Zero work input Maximum work input Very little work input Nearly same work input as for vapour compression cycle Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Lithium bromide Carbon dioxide R-12 Sulphur dioxide Lithium bromide Carbon dioxide R-12 Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the wrong statement. A refrigerant should have Tow specific heat of liquid High boiling point Higher critical temperature High latent heat of vaporisation Tow specific heat of liquid High boiling point Higher critical temperature High latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
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