Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Steel Aluminium Copper Brass Steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Sulphur sticks which on detection gives white smoke Smelling Halide torch which on detection produces greenish flame lighting Using reagents Sulphur sticks which on detection gives white smoke Smelling Halide torch which on detection produces greenish flame lighting Using reagents ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Most air cooled condensers are designed to operate with a temperature difference of 8°C 14°C 5°C 22°C 8°C 14°C 5°C 22°C ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb depression indicates _________ humidity of the air. Relative None of these Absolute Specific Relative None of these Absolute Specific ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Carnot Reversed Rankine Rankine Reversed Carnot Carnot Reversed Rankine Rankine Reversed Carnot ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure, ps = Pressure of saturated air, pd = Pressure at dry bulb temperature, pw = Saturation pressure corresponding to wet bulb temperature, and μ = Degree of saturation) μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these 0.622 Pv / (Pb - Pv) μ/[1 - (1 - μ) (Ps/Pb)] [Pv (Pb - Pd)]/ [Pd (Pb - Pv)] None of these 0.622 Pv / (Pb - Pv) ANSWER DOWNLOAD EXAMIANS APP