Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. None of these Decreases Increases Remains constant None of these Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 108°C 654°C 327°C 54°C 108°C 654°C 327°C 54°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by All of the listed here Gay-Lussac law Boyle's law Charles' law All of the listed here Gay-Lussac law Boyle's law Charles' law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/273th 1/93th 1/173th 1/27th 1/273th 1/93th 1/173th 1/27th ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Superheated vapour behaves Exactly as gas Approximately as a gas As steam As ordinary vapour Exactly as gas Approximately as a gas As steam As ordinary vapour ANSWER DOWNLOAD EXAMIANS APP
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