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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done in an adiabatic process between a given pair of end states depends on The end states only The value of heat transferred Particular adiabatic process The value of index ‘n’ The end states only The value of heat transferred Particular adiabatic process The value of index ‘n’ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic theory of gases assumes that the collisions between the molecules are Partly inelastic Perfectly elastic Partly elastic Perfectly inelastic Partly inelastic Perfectly elastic Partly elastic Perfectly inelastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is a reversible non-flow process? Hyperbolic process All of these Isobaric process Isochoric process Hyperbolic process All of these Isobaric process Isochoric process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perpetual motion machine is A hypothetical machine A thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine A hypothetical machine A thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 1 kg of water 8 kg of water 9 kg of water 7 kg of water 1 kg of water 8 kg of water 9 kg of water 7 kg of water ANSWER DOWNLOAD EXAMIANS APP
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