Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Isothermal Adiabatic Reversible None of these Isothermal Adiabatic Reversible None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Infinity Negative Unity Zero Infinity Negative Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Arithmetic Geometric Harmonic Logarithmic Arithmetic Geometric Harmonic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases. Decreases Increases Remains constant Decreases exponentially Decreases Increases Remains constant Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Partially condensed vapour with quality of 0.9 Superheated vapour Partially condensed vapour with quality of 0.1 Saturated vapour Partially condensed vapour with quality of 0.9 Superheated vapour Partially condensed vapour with quality of 0.1 Saturated vapour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ethylene Carbon dioxide Freon-12 Ammonia Ethylene Carbon dioxide Freon-12 Ammonia ANSWER DOWNLOAD EXAMIANS APP
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