Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is executed in closed system cycle Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero Process is executed in closed system cycle Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Both temperature and volume increases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume decreases Both temperature and volume increases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of simple gas turbine cycle depends upon Maximum cycle temperature All of these Pressure ratio Minimum cycle temperature Maximum cycle temperature All of these Pressure ratio Minimum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy is S. I. units is Joule/meter (J/m) Joule (J) Watt (W) Joule meter (Jm) Joule/meter (J/m) Joule (J) Watt (W) Joule meter (Jm) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - rγ - 1 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 rγ - 1 1 - rγ - 1 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas has the highest calorific value? Coal gas Mond gas Producer gas Blast furnace gas Coal gas Mond gas Producer gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP