Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an irreversible process, there is a No gain of heat Gain of heat No loss of heat Loss of heat No gain of heat Gain of heat No loss of heat Loss of heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle is maximum for Reversible engine Petrol engine Gas engine Steam engine Reversible engine Petrol engine Gas engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Feasible Possible Possible, but with lot of sophistications Impossible Feasible Possible Possible, but with lot of sophistications Impossible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as Rankine cycle Diesel cycle Atkinson cycle Dual combustion cycle Rankine cycle Diesel cycle Atkinson cycle Dual combustion cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant temperature Constant entropy Constant volume Constant pressure Constant temperature Constant entropy Constant volume Constant pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS