Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Decreases Remains constant None of these Increases Decreases Remains constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure will be When molecular momentum of the system becomes zero At the temperature of - 273 K At the center of the earth At sea level When molecular momentum of the system becomes zero At the temperature of - 273 K At the center of the earth At sea level ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Temperature Entropy Enthalpy Internal energy Temperature Entropy Enthalpy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible May be possible with lot of sophistications Cost will be very high Theoretically possible Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - (1/r) γ/γ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 1 - (1/r) γ/γ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy may be expressed as a function of All of these Heat and work Pressure and temperature Temperature and volume All of these Heat and work Pressure and temperature Temperature and volume ANSWER DOWNLOAD EXAMIANS APP