Engineering Thermodynamics The polytropic index (n) is given by 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) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perpetual motion machine is A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine A thermodynamic machine A hypothetical machine A hypothetical machine whose operation would violate the laws of thermodynamics A non-thermodynamic machine A thermodynamic machine A hypothetical machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Difference Product Ratio Sum Difference Product Ratio Sum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Zeroth law of thermodynamics States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with conversion of mass and energy Deals with reversibility and irreversibility of process Deals with heat engines States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with conversion of mass and energy Deals with reversibility and irreversibility of process Deals with heat engines ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When gas is heated at constant pressure, the heat supplied is utilized in Increasing the internal energy of gas and also for doing some external work Increasing the internal energy of gas Doing some external work None of these Increasing the internal energy of gas and also for doing some external work Increasing the internal energy of gas Doing some external work None of these ANSWER DOWNLOAD EXAMIANS APP
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