- (A) 20 kg, – ve sense
- (B) 20 kg, + ve sense
- (C) 10 kg, + ve sense
- (D) 10 kg, – ve sense
- (E) 45 kg, + ve sense
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- (A) -100°C
- (B) -50°C
- (C) – 33.3°C
- (D) 0°C
- (E) 33.3°C
- (A) after passing through the condenser
- (B) before passing through the condenser
- (C) after passing through the expansion or thiottle valve
- (D) before entering the expansion valve
- (E) before entering the compressor
- (A) temperature, pressure and enthalpy
- (B) specific volume and enthalpy
- (C) temperature and enthalpy
- (D) temperature, pressure, and specil volume
- (E) temperature, pressure, specific volur and’enthalpy
- (A) Tow specific heat of liquid
- (B) high boiling point
- (C) high latent heat of vaporisation
- (D) higher critical temperature
- (E) low specific volume of vapour
- (A) after passing through the condenser
- (B) before passing through the condenser
- (C) after passing through the expansion or throttle valve
- (D) before entering the expansion valve
- (E) before entering the compressor
- (A) saturation point of vapor
- (B) saturation point of liquid
- (C) sublimation temperature
- (D) triple point
- (E) critical point
- (A) actual COP/fheoretical COP
- (B) theoretical COP/actual COP
- (C) actual COP x theoretical COP
- (D) 1-actual COP x theoretical COP
- (E) 1-actual COP/fheoretical COP.
- (A) Ericsson
- (B) Stirling
- (C) Carnot
- (D) Bell-coleman
- (E) none of the above
- (A) balance each other
- (B) produce a couple and an unbalanced force
- (C) are equivalent
- (D) produce a moment of couple
- (E) can not balance each other
