Refrigeration and Air Conditioning The alignment circle is marked on the psychrometric chart at 20°C DBT and 60% RH 26°C DBT and 60% RH 20°C DBT and 50% RH 26°C DBT and 50% RH 20°C DBT and 60% RH 26°C DBT and 60% RH 20°C DBT and 50% RH 26°C DBT and 50% RH ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Under cooling in a refrigeration cycle Decreases C.O.P Other factors decide C.O.P O.P remains unaltered Increases C.O.P Decreases C.O.P Other factors decide C.O.P O.P remains unaltered Increases C.O.P ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Moisture should be removed from refrigerants to avoid All of these Corrosion of steel plates Freezing at the expansion valve Restriction to refrigerant flow All of these Corrosion of steel plates Freezing at the expansion valve Restriction to refrigerant flow ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning During sensible cooling, Partial pressure of vapour remains constant Relative humidity remains constant Wet bulb temperature increases Specific humidity increases Partial pressure of vapour remains constant Relative humidity remains constant Wet bulb temperature increases Specific humidity increases 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 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 The positive work in isentropic expansion of liquid is very small ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Aluminium Brass Copper Steel Aluminium Brass Copper Steel ANSWER DOWNLOAD EXAMIANS APP
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