Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is Divided by its molecular weight Multiplied by its density Multiplied by its molecular weight Multiplied by its specific weight Divided by its molecular weight Multiplied by its density Multiplied by its molecular weight Multiplied by its specific weight ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain 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 Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain constant Total internal energy of a system during a process remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heating of a gas at constant pressure is governed by Gay-Lussac law Avogadro's law Charles' law Boyle's law Gay-Lussac law Avogadro's law Charles' law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvγ = C pvn = C pv = m R T pv = C pvγ = C pvn = C pv = m R T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Ericsson cycle is __________ Carnot cycle. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP