Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) 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 11/3 kg of carbon dioxide gas 8/3 kg of carbon monoxide gas 11/7 kg of carbon dioxide gas 7/3 kg of carbon monoxide gas 11/3 kg of carbon dioxide gas 8/3 kg of carbon monoxide gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle is also known as Constant temperature and pressure cycle Constant temperature cycle Constant pressure cycle Constant volume cycle Constant temperature and pressure cycle Constant temperature cycle Constant pressure cycle Constant volume cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency depends upon Temperature range of operation Condition of engine Working condition Properties of the medium/substance used Temperature range of operation Condition of engine Working condition Properties of the medium/substance used ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat energy stored in the gas and used for raising the temperature of the gas is known as External energy Kinetic energy Molecular energy Internal energy External energy Kinetic energy Molecular energy Internal energy 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 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 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 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 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
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