Engineering Thermodynamics Temperature of a gas is produced due to Surface tension of molecules Kinetic energy of molecules Its heating value Repulsion of molecules Surface tension of molecules Kinetic energy of molecules Its heating value Repulsion of molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done The temperature of the gas changes All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease lower temperature Increase higher temperature Decrease higher temperature Increase lower temperature Decrease lower temperature Increase higher temperature Decrease higher temperature Increase lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to ∝ γ 1 ∝ γ 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Temperature Variation of its constituents Pressure Both pressure and temperature Temperature Variation of its constituents Pressure Both pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R ANSWER DOWNLOAD EXAMIANS APP
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