Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (p2/p1)γ - 1/ γ (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as Otto cycle Diesel cycle Stirling cycle Carnot cycle Otto cycle Diesel cycle Stirling cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = mRT pv = RTm pvm = C pv = (RT)m pv = mRT pv = RTm pvm = C pv = (RT)m 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) v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Does not enable to determine change in entropy Enables to determine change in internal energy of the system All of these Provides relationship between heat, work and internal energy Does not enable to determine change in entropy Enables to determine change in internal energy of the system All of these Provides relationship between heat, work and internal energy ANSWER DOWNLOAD EXAMIANS APP
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