Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Oxygen Hydrogen Nitrogen Methane Oxygen Hydrogen Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 (v1 + v2)/v1 (v1 + v2)/v2 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is executed in closed system cycle Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Its entropy will change due to irreversibility Process is executed in closed system cycle Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Its entropy will change due to irreversibility 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 - 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)] (p1 v1 - p2, v2)/(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which law states that the specific heat of a gas remains constant at all temperatures and pressures? Regnault's Law Joule's Law Charles' Law Boyle's Law Regnault's Law Joule's Law Charles' Law Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Possible, but with lot of sophistications Feasible Impossible Possible Possible, but with lot of sophistications Feasible Impossible Possible ANSWER DOWNLOAD EXAMIANS APP
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