Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon monoxide requires 4/7 kg of oxygen and produces 11/7 kg of carbon dioxide gas 7/3 kg of carbon monoxide gas 8/3 kg of carbon monoxide gas 11/3 kg of carbon dioxide gas 11/7 kg of carbon dioxide gas 7/3 kg of carbon monoxide gas 8/3 kg of carbon monoxide gas 11/3 kg of carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = m R T pv = C pvn = C pvγ = C pv = m R T pv = C pvn = C pvγ = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The work ratio of a gas turbine plant is given by (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law The product of the gas constant and the molecular mass of an ideal gas is constant All of these The sum of partial pressure of the mixture of two gases is sum of the two Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant All of these The sum of partial pressure of the mixture of two gases is sum of the two Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Total internal energy of a system during a process remains constant Work-done by a system is equal to the heat transferred by the system Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant ANSWER DOWNLOAD EXAMIANS APP
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