Refrigeration and Air Conditioning Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the value of C.O.P. of reversed Carnot Cycle? 1.25 0.5 0.25 0.8 1.25 0.5 0.25 0.8 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The power per tonne of refrigeration is None of these O.P/3.5 3.5 × C.O.P. 3.5/C.O.P. None of these O.P/3.5 3.5 × C.O.P. 3.5/C.O.P. 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 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 Newton's law of gases Dalton's law of partial pressures ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called Super-cooling Normal cooling None of the listed here Sub-cooling or under-cooling Super-cooling Normal cooling None of the listed here Sub-cooling or under-cooling ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible heating of air _________ decreases. Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature Dry bulb temperature Specific humidity Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour is driven out of solution Weak solution mixes with strong solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution Ammonia vapour is driven out of solution Weak solution mixes with strong solution Lithium bromide mixes with ammonia Ammonia vapour goes into solution ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS