Refrigeration and Air Conditioning The evolution of heat of solution takes place in ammonia absorption plant when Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution Ammonia vapour is driven out of solution Ammonia vapour goes into solution Lithium bromide mixes with ammonia Weak solution mixes with strong solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle the condition of refrigerant is superheated vapour Before passing through the condenser Before entering the expansion valve After passing through the condenser After passing through the expansion or throttle valve Before passing through the condenser Before entering the expansion valve After passing through the condenser After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The sensible heat factor during cooling and dehumidification process is given by (where h₁ = Enthalpy of air entering the cooling coil, h₂ = Enthalpy of air leaving the cooling coil, and hA = Enthalpy of air at the end of dehumidification process) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) (h2 - hA)/ (h1 - h2) (hA - h1)/ (h2 - h1) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system Strong solution to ammonia vapour Ammonia vapours to weak solution Weak solution to strong solution Strong solution to weak solution Strong solution to ammonia vapour Ammonia vapours to weak solution Weak solution to strong solution Strong solution to weak solution ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The formation of frost on cooling coils in a refrigerator Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption Increases heat transfer Improves C.O.P. of the system Reduces power consumption Increases power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For obtaining high COP, the pressure range of compressor should be Low Any value High Optimum Low Any value High Optimum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS