Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 760 mm of Hg All of these 1.013 bar 1013 × 102 N/m2 760 mm of Hg All of these 1.013 bar 1013 × 102 N/m2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant Gay Lussac’s law Boyle's law Joule's law Charles' law Gay Lussac’s law Boyle's law Joule's law Charles' law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 1.5 Ru × T 2 Ru × T 3 Ru × T Ru × T 1.5 Ru × T 2 Ru × T 3 Ru × T Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to Vr J T J² Vr J T J² ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? Constant volume process Constant pvn process Constant pressure process All of these Constant volume process Constant pvn process Constant pressure process All of these ANSWER DOWNLOAD EXAMIANS APP