Refrigeration and Air Conditioning The wet bulb temperature at 100% relative humidity is ________ dew point temperature. None of these Higher than Lower than Same as None of these Higher than Lower than Same as ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The central air conditioning system has ___________ overall efficiency as compared to individual systems. None of these Lower Higher Same None of these Lower Higher Same ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression refrigeration system, a throttle valve is used in place of an expander because The positive work in isentropic expansion of liquid is very small It leads to significant cost reduction It considerably reduces mass of the system It improves the C.O.P., as the condenser is small The positive work in isentropic expansion of liquid is very small It leads to significant cost reduction It considerably reduces mass of the system It improves the C.O.P., as the condenser is small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture in Freon refrigeration system causes Freezing automatic regulating valve Corrosion of whole system Ineffective refrigeration High power consumption Freezing automatic regulating valve Corrosion of whole system Ineffective refrigeration High power consumption ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. Less than Greater than None of these Equal to Less than Greater than None of these Equal to 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 More Same More/less depending on rating Less More Same More/less depending on rating Less ANSWER DOWNLOAD EXAMIANS APP
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