Engineering Thermodynamics For reversible adiabatic process, change in entropy is Negative Zero Minimum Maximum Negative Zero Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to E/2 3E/4 E/3 2E/3 E/2 3E/4 E/3 2E/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done is zero for the following process Free expansion Throttling Constant volume All of the listed here Free expansion Throttling Constant volume All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease higher temperature Increase higher temperature Decrease lower temperature Increase lower temperature Decrease higher temperature Increase higher temperature Decrease lower temperature Increase lower temperature 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)] All of these [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these [m R (T1 - T2)] /(γ - 1) (p1 v1 - p2, v2)/(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the Difference of two specific heats Ratio of two specific heats Sum of two specific heats Product of two specific heats Difference of two specific heats Ratio of two specific heats Sum of two specific heats Product of two specific heats ANSWER DOWNLOAD EXAMIANS APP
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