Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 2 Ru × T Ru × T 1.5 Ru × T 3 Ru × T 2 Ru × T Ru × T 1.5 Ru × T 3 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 30 kJ 54 kJ 84 kJ 114 kJ 30 kJ 54 kJ 84 kJ 114 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of Two constant volume and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two isothermal and two isentropic processes Two constant volume and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two isothermal and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of simple gas turbine cycle depends upon Maximum cycle temperature Minimum cycle temperature Pressure ratio All of these Maximum cycle temperature Minimum cycle temperature Pressure ratio All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these [m R (T1 - T2)] /(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Joule's law Boyle's law Gay-Lussac law Charles' law Joule's law Boyle's law Gay-Lussac law Charles' law ANSWER DOWNLOAD EXAMIANS APP
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