Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work Never exists May exist Always exists Is difficult to predict Never exists May exist Always exists Is difficult to predict ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Both A and B Have low specific heat Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Both A and B Have low specific heat Not have unduly high vapour pressure at the condenser temperature Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claussius-Clayperon equation gives accurate result, when the Volume in the liquid state is negligible compared with that in the vapour state Vapour obeys the ideal gas law and the latent heat of vaporisation is constant All of these Vapour pressure is relatively low and the temperature does not vary over wide limits Volume in the liquid state is negligible compared with that in the vapour state Vapour obeys the ideal gas law and the latent heat of vaporisation is constant All of these Vapour pressure is relatively low and the temperature does not vary over wide limits 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. 540 270 327 300 540 270 327 300 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 Ax₁² Ax₁ A . x₂² Ax₂ Ax₁² Ax₁ A . x₂² Ax₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction is Dependent on temperature only Dependent on pressure only Dependent on both pressure and temperature Independent of temperature changes Dependent on temperature only Dependent on pressure only Dependent on both pressure and temperature Independent of temperature changes ANSWER DOWNLOAD EXAMIANS APP