Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Both (A) and (B) Do not change Change None of these Both (A) and (B) Do not change Change None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Polytropic process Isothermal process Adiabatic process Hyperbolic process Polytropic process Isothermal process Adiabatic process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics General gas equation is PV = C PV=mRT PV=nRT PV=KiRT PV = C PV=mRT PV=nRT PV=KiRT ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system Does not enable to determine change in entropy All of these Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system Does not enable to determine change in entropy All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The variables which control the physical properties of a perfect gas are Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas Volume occupied by the gas Pressure exerted by the gas All of these Temperature of the gas ANSWER DOWNLOAD EXAMIANS APP
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