Engineering Thermodynamics A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as Thermodynamic cycle None of these Reversible cycle Irreversible cycle Thermodynamic cycle None of these Reversible cycle Irreversible cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Variation of its constituents Both pressure and temperature Temperature Pressure Variation of its constituents Both pressure and temperature Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of mass in S.I. units is Kilogram Quintal Gram Tonne Kilogram Quintal Gram Tonne ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Working substance Temperatures of source and sink Design of engine Size of engine Working substance Temperatures of source and sink Design of engine Size of engine ANSWER DOWNLOAD EXAMIANS APP