Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to -ve +ve Anywhere between zero and infinity Zero -ve +ve Anywhere between zero and infinity Zero 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 cp - cv = R Both (B) and (C) cv = R/ γ-1 cv/ cp =R cp - cv = R Both (B) and (C) cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as Second law of thermodynamics Kinetic theory of gases First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics Kinetic theory of gases First law of thermodynamics Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Polytropically Isothermally None of these Isentropically Polytropically Isothermally None of these Isentropically ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Decrease Remain unchanged Increase Increase/decrease depending on application Decrease Remain unchanged Increase Increase/decrease depending on application ANSWER DOWNLOAD EXAMIANS APP
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