Engineering Thermodynamics The polytropic index (n) is given by 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) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be 0.15 m3/kg mol 4.17 m3/kg mol 400 m3/kg mol 41.7 m3/kg mol 0.15 m3/kg mol 4.17 m3/kg mol 400 m3/kg mol 41.7 m3/kg mol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Select the wrong statement An Otto cycle consists of two constant volume and two isentropic processes. An Ericsson cycle consists of two constant pressure and two isothermal processes. All of these A Joule cycle consists of two constant volume and two isentropic processes. An Otto cycle consists of two constant volume and two isentropic processes. An Ericsson cycle consists of two constant pressure and two isothermal processes. All of these A Joule cycle consists of two constant volume and two isentropic processes. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have No value of specific heat Under some conditions one value and sometimes two values of specific heat Two values of specific heat Only one value of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat Two values of specific heat Only one value of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel. Atomization Carbonization Combustion None of these Atomization Carbonization Combustion None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Remain constant Increases Decreases May increase/decrease depending on the properties of gas Remain constant Increases Decreases May increase/decrease depending on the properties of gas ANSWER DOWNLOAD EXAMIANS APP
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