Engineering Thermodynamics Stirling cycle consists of Two constant volume and two isothermal processes Two constant pressure and two isothermal processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isothermal processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes 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 1400 K 800 K 1000 K 1200 K 1400 K 800 K 1000 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Either heat absorbed or heat rejected Heat absorbed Heat rejected None of the listed here Either heat absorbed or heat rejected Heat absorbed Heat rejected None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Mechanical and fluid friction Unrestricted expansion Heat transfer with a finite temperature difference All of these Mechanical and fluid friction Unrestricted expansion Heat transfer with a finite temperature difference All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the internal energy and enthalpy are the functions of temperature only Perfect gas Any gas Saturated steam Water Perfect gas Any gas Saturated steam Water ANSWER DOWNLOAD EXAMIANS APP