Engineering Thermodynamics In an irreversible process, there is a No gain of heat No loss of heat Loss of heat Gain of heat No gain of heat No loss of heat Loss of heat Gain of heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and work are mutually convertible. This statement is called ___ law of thermodynamics. Zeroth Third First Second Zeroth Third First Second ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero but heat increases Both (A) and (B) above Work done is zero Heat transfer is zero Work done is zero but heat increases Both (A) and (B) above Work done is zero Heat transfer is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A tri-atomic molecule consists of __________ atoms. Four One Three Two Four One Three Two ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Increases the temperature of the gas Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas Increases the temperature of the gas Both (B) and (C) Does some external work during expansion Increases the internal energy of the gas 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) [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 [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] ANSWER DOWNLOAD EXAMIANS APP