Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Increased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Increased COP Same COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ equation predicts the activity co-efficient from experimental data. Both B & C Lewis-Randall Van Laar Margules Both B & C Lewis-Randall Van Laar Margules ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. 270 327 540 300 270 327 540 300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is Ax₁ A . x₂² Ax₁² Ax₂ Ax₁ A . x₂² Ax₁² Ax₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When pressure is applied on the system, ice ⟷ water, then Evaporation of water will take place More water will be formed Equilibrium can not be established More ice will be formed Evaporation of water will take place More water will be formed Equilibrium can not be established More ice will be formed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that Due to the high pressure at the base, its melting point reduces Ice at the base contains impurities which lowers its melting point The iceberg remains in a warmer condition at the base All of these Due to the high pressure at the base, its melting point reduces Ice at the base contains impurities which lowers its melting point The iceberg remains in a warmer condition at the base All of these ANSWER DOWNLOAD EXAMIANS APP
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