Refrigeration and Air Conditioning A vapour absorption refrigeration system Cools below 0°C Requires little power consumption Gives quiet operation Gives noisy operation Cools below 0°C Requires little power consumption Gives quiet operation Gives noisy operation ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The difference between dry bulb temperature and dew point temperature, is called Degree of saturation Dry bulb depression Dew point depression Wet bulb depression Degree of saturation Dry bulb depression Dew point depression Wet bulb depression ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The comfort conditions in air conditioning are at (where DBT = Dry bulb temperature, and RH = Relative humidity) 25°C DBT and 40% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 100% RH 25°C DBT and 40% RH 20°C DBT and 80% RH 22°C DBT and 60% RH 25°C DBT and 100% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigeration system Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body Rejects energy to a low temperature body None of the listed here Removes heat from a low temperature body and delivers it to a high temperature body Removes heat from a high temperature body and delivers it to a low temperature body Rejects energy to a low temperature body None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil) (td₃ - td₂)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) (td₃ - td₂)/(td₃ - td₁) (td₃ - td₁)/(td₃ - td₂) (td₂ - td₃)/(td₃ - td₁) (td₃ - td₁)/(td₂ - td₃) ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. High Low Very low Same High Low Very low Same ANSWER DOWNLOAD EXAMIANS APP
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