Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Possible, but with lot of sophistications Feasible Impossible Possible Possible, but with lot of sophistications Feasible Impossible Possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Increase in temperature Increase in availability of energy Degradation of energy Decrease in pressure Increase in temperature Increase in availability of energy Degradation of energy Decrease in pressure 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 1200 K 800 K 1000 K 1400 K 1200 K 800 K 1000 K 1400 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed None of these Polytropically Isothermally Isentropically None of these Polytropically Isothermally Isentropically ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In S. I. units, the value of the universal gas constant is 8314 J/kg mole-K 83.14 J/kg mole-K 8.314 J/kg mole-K 831.4 J/kg mole-K 8314 J/kg mole-K 83.14 J/kg mole-K 8.314 J/kg mole-K 831.4 J/kg mole-K ANSWER DOWNLOAD EXAMIANS APP