Refrigeration and Air Conditioning In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively Ammonia and lithium bromide Water and water Ammonia and water Water and lithium bromide Ammonia and lithium bromide Water and water Ammonia and water Water and lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Newton's law of gases Dalton's law of partial pressures Avogadro's hypothesis Kinetic theory of gases Newton's law of gases Dalton's law of partial pressures Avogadro's hypothesis Kinetic theory of gases ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The capillary tube is not used in large capacity refrigeration systems because Cost is too high It is made of copper Required pressure drop cannot be achieved Capacity control is not possible Cost is too high It is made of copper Required pressure drop cannot be achieved Capacity control is not possible 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. All of these It requires large displacement per TR compared to fluoro carbons. It reacts with copper and its alloys. It is toxic to mucous membranes. All of these It requires large displacement per TR compared to fluoro carbons. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The optimum effective temperature for human comfort is Same in winter and summer Lower in winter than in summer Higher in winter than in summer Not dependent on season Same in winter and summer Lower in winter than in summer Higher in winter than in summer Not dependent on season ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a refrigerating machine, heat rejected is _________ heat absorbed. Less than Greater than Equal to None of these Less than Greater than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
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