Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work 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 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 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 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 The increase in entropy of a system represents Increase in temperature Increase in availability of energy Degradation of energy Decrease in pressure Increase in temperature Increase in availability of energy Degradation of energy Decrease in pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isolated system is one in which Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy ANSWER DOWNLOAD EXAMIANS APP
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 Briquetted coal Wood charcoal Bituminous coal None of these Briquetted coal Wood charcoal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Select the wrong statement All of these An Ericsson cycle consists of two constant pressure and two isothermal processes. An Otto cycle consists of two constant volume and two isentropic processes. A Joule cycle consists of two constant volume and two isentropic processes. All of these An Ericsson cycle consists of two constant pressure and two isothermal processes. An Otto cycle consists of two constant volume and two isentropic processes. A Joule cycle consists of two constant volume and two isentropic processes. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following gas is mostly used in town for street and domestic lighting and heating? Mond gas Coal gas Producer gas Coke oven gas Mond gas Coal gas Producer gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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