Refrigeration and Air Conditioning Which of the following refrigerant is highly toxic and flammable? Ammonia Carbon dioxide Sulphur dioxide R-12 Ammonia Carbon dioxide Sulphur dioxide R-12 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vertical and uniformly spaced lines on a psychrometric chart indicates Dew point temperature Wet bulb temperature Specific humidity Dry bulb temperature Dew point temperature Wet bulb temperature Specific humidity Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A mixture of dry air and water vapour, when the air has diffused the maximum amount of water vapour into it, is called Specific humidity Moist air Saturated air Dry air Specific humidity Moist air Saturated air Dry air ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as None of the listed here Mean radiant temperature Dew point temperature Effective temperature None of the listed here Mean radiant temperature Dew point temperature Effective temperature ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve Before passing through the condenser After passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve 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 It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small It leads to significant cost reduction It considerably reduces mass of the system The positive work in isentropic expansion of liquid is very small It improves the C.O.P., as the condenser is small ANSWER DOWNLOAD EXAMIANS APP
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