Engineering Thermodynamics Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to 1.27 1.35 1 0.75 1.27 1.35 1 0.75 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a steady flow process, the ratio of Mass flow at inlet and outlet is same Heat transfer is constant All of these Work transfer is constant Mass flow at inlet and outlet is same Heat transfer is constant All of these Work transfer is constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy of water at 0°C is assumed to be 2 -1 1 2 -1 1 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 Pressure Volume Internal energy Temperature Pressure Volume Internal energy Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator 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) [m R (T1 - T2)] /(γ - 1) All of these [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP