Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 0.086 1.086 1.086 4.086 0.086 1.086 1.086 4.086 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The oxygen atom is ________ times heavier than the hydrogen atom. 8 2 16 32 8 2 16 32 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Stirling cycle consists of Two constant pressure and two isothermal processes Two constant volume and two isothermal processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two constant pressure and two isothermal processes Two constant volume and two isothermal processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas turbine cycle with regenerator improves Avoid pollution None of these Thermal efficiency Work ratio Avoid pollution None of these Thermal efficiency Work ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as Full distillation Cracking Fractional distillation Carbonization Full distillation Cracking Fractional distillation Carbonization ANSWER DOWNLOAD EXAMIANS APP