Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 1 - rγ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - (1/r) γ/γ - 1 1 - rγ - 1 rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Entropy change depends on Heat transfer Mass transfer Thermodynamic state Change of temperature Heat transfer Mass transfer Thermodynamic state Change of temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant T/P = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Heat and work are Path functions System properties Intensive properties Point functions Path functions System properties Intensive properties Point functions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1000 K 800 K 1400 K 1200 K 1000 K 800 K 1400 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Its temperature increases but volume decreases Both temperature and volume increases Its volume increases but temperature decreases Both temperature and volume decreases Its temperature increases but volume decreases Both temperature and volume increases Its volume increases but temperature decreases Both temperature and volume decreases ANSWER DOWNLOAD EXAMIANS APP
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