Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) rγ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 1 - (1/r) γ/γ - 1 rγ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 1 - (1/r) γ/γ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which The temperature of the gas changes No heat enters or leaves the gas All of these The change in internal energy is equal to the mechanical work done The temperature of the gas changes No heat enters or leaves the gas All of these The change in internal energy is equal to the mechanical work done ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Adiabatic expansion Parabolic expansion Hyperbolic expansion Free expansion Adiabatic expansion Parabolic expansion Hyperbolic expansion Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law All of these The product of the gas constant and the molecular mass of an ideal gas is constant Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The sum of partial pressure of the mixture of two gases is sum of the two All of these The product of the gas constant and the molecular mass of an ideal gas is constant Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The sum of partial pressure of the mixture of two gases is sum of the two ANSWER DOWNLOAD EXAMIANS APP
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