Engineering Thermodynamics On volume basis, air contains following parts of oxygen 21 25 23 77 21 25 23 77 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics deals with Conservation of mass Conservation of heat Conservation of momentum Conservation of energy Conservation of mass Conservation of heat Conservation of momentum Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its volume Raising its temperature Raising its temperature and doing external work Raising its pressure Raising its volume Raising its temperature Raising its temperature and doing external work Raising its pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Absolute temperature, if volume is kept constant None of these Volume, if temperature is kept constant Temperature Absolute temperature, if volume is kept constant None of these Volume, if temperature is kept constant Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 26.03 bar 34.81 bar 25 bar 23.97 bar 26.03 bar 34.81 bar 25 bar 23.97 bar ANSWER DOWNLOAD EXAMIANS APP
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