Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ammonia Freon-12 Ethylene Carbon dioxide Ammonia Freon-12 Ethylene Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when N = y = 1.4 N = 1 N = 0 N = 1.66 N = y = 1.4 N = 1 N = 0 N = 1.66 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Charles' law for gases states that PV/T = Constant V ∝ 1/T V/T = Constant V ∝ 1/P PV/T = Constant V ∝ 1/T V/T = Constant V ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Energy spent in doing work Decrease in temperature Decrease in kinetic energy Decrease in velocity Energy spent in doing work Decrease in temperature Decrease in kinetic energy Decrease in velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant Temperature Pressure None of these Volume Temperature Pressure None of these Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in pressure (above atmospheric pressure), the Cp of a gas Remains unchanged First decreases and then increases Increases Decreases Remains unchanged First decreases and then increases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP