Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is Equal Data insufficient, can't be predicted More pronounced Less pronounced Equal Data insufficient, can't be predicted More pronounced Less pronounced ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Work Kinematic viscosity None of these Temperature Work Kinematic viscosity None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law ) V₁/V₂ V₁.V₂ V₁-V₂ V₂/V₁ V₁/V₂ V₁.V₂ V₁-V₂ V₂/V₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Infinity Unity Zero That of the heat of reaction Infinity Unity Zero That of the heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance All of these Liquid and vapour have the same density There is no distinction between liquid and vapour phases The surface tension vanishes All of these Liquid and vapour have the same density There is no distinction between liquid and vapour phases The surface tension vanishes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. None of these 0 273 25 None of these 0 273 25 ANSWER DOWNLOAD EXAMIANS APP
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