Engineering Thermodynamics In an ideal gas turbine plant, it is assumed that the compression and expansion processes are Isentropic None of these Polytropic Isothermal Isentropic None of these Polytropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's Hypothesis Product of the gas constant and the molecular weight of an ideal gas is constant The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature The sum of partial pressure of mixture of two gases is sum of the two Gases have two values of specific heat Product of the gas constant and the molecular weight of an ideal gas is constant The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature The sum of partial pressure of mixture of two gases is sum of the two Gases have two values of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Total energy of a system remains constant Work-done by a system is equal to the heat transferred by the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro's law, for a given pressure and temperature, each molecule of a gas Occupies volume inversely proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight Occupies volume inversely proportional to its specific weight Occupies same volume Occupies volume inversely proportional to its molecular weight Occupies volume proportional to its specific weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same All of these Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same All of these ANSWER DOWNLOAD EXAMIANS APP
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