Chemical Engineering Thermodynamics The second law of thermodynamics states that None of these The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero None of these The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Reducing the temperature to half and doubling the pressure Reducing pressure to one fourth at constant temperature Doubling the absolute temperature as well as pressure of the gas Reducing temperature to one fourth at constant pressure Reducing the temperature to half and doubling the pressure Reducing pressure to one fourth at constant temperature Doubling the absolute temperature as well as pressure of the gas Reducing temperature to one fourth at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a Parabola Sine curve Hyperbola Straight line Parabola Sine curve Hyperbola Straight line ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the least thermal efficiency? Carnot engine Otto engine Diesel engine Steam engine Carnot engine Otto engine Diesel engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance Liquid and vapour have the same density There is no distinction between liquid and vapour phases All of these The surface tension vanishes Liquid and vapour have the same density There is no distinction between liquid and vapour phases All of these The surface tension vanishes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During adiabatic expansion of gas Temperature remains constant Pressure remains constant Pressure is increased None of these Temperature remains constant Pressure remains constant Pressure is increased None of these ANSWER DOWNLOAD EXAMIANS APP