Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 29.27 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 848 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be 41.7 m3/kg mol 0.15 m3/kg mol 400 m3/kg mol 4.17 m3/kg mol 41.7 m3/kg mol 0.15 m3/kg mol 400 m3/kg mol 4.17 m3/kg mol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The natural solid fuel is Anthracite coal Wood Coke Pulverised coal Anthracite coal Wood Coke Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is All of these Unrestricted expansion Mechanical and fluid friction Heat transfer with a finite temperature difference All of these Unrestricted expansion Mechanical and fluid friction Heat transfer with a finite temperature difference ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isentropic Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isentropic Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady ANSWER DOWNLOAD EXAMIANS APP