Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work Is difficult to predict Never exists May exist Always exists Is difficult to predict Never exists May exist Always exists ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fundamental principle of refrigeration is based on the __________ law of thermodynamics. Second Third Zeroth First Second Third Zeroth First ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Adiabatic Isobaric None of these Isothermal Adiabatic Isobaric None of these Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & high temperature High pressure & low temperature Low pressure & low temperature None of these Low pressure & high temperature High pressure & low temperature Low pressure & low temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is -RT ln 0.5 0.5 RT -2 RT ln 0.5 2 RT -RT ln 0.5 0.5 RT -2 RT ln 0.5 2 RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A nozzle is a device, which Increases both kinetic energy and pressure Reduces kinetic energy and increases pressure Reduces both kinetic energy and pressure Increases kinetic energy and decreases pressure Increases both kinetic energy and pressure Reduces kinetic energy and increases pressure Reduces both kinetic energy and pressure Increases kinetic energy and decreases pressure ANSWER DOWNLOAD EXAMIANS APP