Refrigeration and Air Conditioning The sub-cooling in a refrigeration cycle Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these Does not alter C.O.P. Increases C.O.P. Decreases C.O.P. None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia is Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable Highly toxic and inflammable Toxic and non-inflammable Non-toxic Non-inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During cooling and dehumidification, dry bulb temperature Remains constant Increases Decreases None of these Remains constant Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning If the evaporator temperature of a plant is lowered, keeping the condenser temperature constant, the h.p. of compressor required will be Less Same More More/less depending on rating Less Same More More/less depending on rating ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Air refrigeration cycle Vapour absorption cycle Vapour compression cycle None of the listed here Air refrigeration cycle Vapour absorption cycle Vapour compression cycle None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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