Refrigeration and Air Conditioning Air refrigerator works on None of these Both (A) and (B) Reversed Carnot cycle Bell Coleman cycle None of these Both (A) and (B) Reversed Carnot cycle Bell Coleman cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The desirable property of a refrigerant is High latent heat of vaporisation High critical temperature Low boiling point All of these High latent heat of vaporisation High critical temperature Low boiling point All of these ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The material of pipe lines for a system using Freon as a refrigerant should be Aluminium Brass Steel Copper Aluminium Brass Steel Copper ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of Brass Copper Aluminium Steel Brass Copper Aluminium Steel ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The general rule for rating refrigeration systems (excepting for CO₂ system) is to approximate following h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration 0.1 to 0.5 h.p. per ton of refrigeration 0.5 to 0.8 h.p. per ton of refrigeration 1 to 2 h.p. per ton of refrigeration 2 to 5 h.p. per ton of refrigeration ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is Dry vapour Wet vapour High pressure saturated liquid Very wet vapour Dry vapour Wet vapour High pressure saturated liquid Very wet vapour ANSWER DOWNLOAD EXAMIANS APP