Engineering Thermodynamics The gas constant (R) is equal to the Difference of two specific heats Product of two specific heats Sum of two specific heats Ratio of two specific heats Difference of two specific heats Product of two specific heats Sum of two specific heats Ratio of two specific heats ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Internal energy Temperature Pressure Volume Internal energy Temperature Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under Steady change of pressures High range of pressures All ranges of pressures Only small range of pressures Steady change of pressures High range of pressures All ranges of pressures Only small range of pressures 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) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive None of these Positive or negative Negative Positive None of these Positive or negative Negative ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy is S. I. units is Joule/meter (J/m) Watt (W) Joule (J) Joule meter (Jm) Joule/meter (J/m) Watt (W) Joule (J) Joule meter (Jm) ANSWER DOWNLOAD EXAMIANS APP