Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Isothermal process Constant volume process Adiabatic process Constant pressure process Isothermal process Constant volume process Adiabatic process Constant pressure process 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 = R/ γ-1 Both (B) and (C) cp - cv = R cv/ cp =R cv = R/ γ-1 Both (B) and (C) cp - cv = R cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Discourages thermal interaction Permits thermal interaction Encourages thermal interaction Prevents thermal interaction Discourages thermal interaction Permits thermal interaction Encourages thermal interaction Prevents thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pvn = C pv = C pvγ = C pv = m R T pvn = C pv = C pvγ = C pv = m R T ANSWER DOWNLOAD EXAMIANS APP
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