Engineering Thermodynamics When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called None of these Bituminous coal Wood charcoal Briquetted coal None of these Bituminous coal Wood charcoal Briquetted coal 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 The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents None of the listed here Heat absorbed Either heat absorbed or heat rejected Heat rejected None of the listed here Heat absorbed Either heat absorbed or heat rejected Heat rejected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Avogadro’s law The product of the gas constant and the molecular mass of an ideal gas is constant The sum of partial pressure of the mixture of two gases is sum of the two All of these Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules The product of the gas constant and the molecular mass of an ideal gas is constant The sum of partial pressure of the mixture of two gases is sum of the two All of these Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules 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 pressure process Constant pvn process All of these Constant volume process Constant pressure process Constant pvn process All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Heat transfer with a finite temperature difference Unrestricted expansion Mechanical and fluid friction All of these Heat transfer with a finite temperature difference Unrestricted expansion Mechanical and fluid friction All of these ANSWER DOWNLOAD EXAMIANS APP