Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Not possible Theoretically possible Cost will be very high May be possible with lot of sophistications Not possible Theoretically possible Cost will be very high ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The behavior of super-heated vapour is similar to that of Air Perfect gas Ordinary gas Steam Air Perfect gas Ordinary gas Steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Work-done by the turbine) (Actual temperature drop)/(Isentropic temperature drop) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle increases with Constant cut-off Increase in cut-off Decrease in cut-off None of these Constant cut-off Increase in cut-off Decrease in cut-off None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Select the wrong statement An Otto cycle consists of two constant volume and two isentropic processes. All of these An Ericsson cycle consists of two constant pressure and two isothermal processes. A Joule cycle consists of two constant volume and two isentropic processes. An Otto cycle consists of two constant volume and two isentropic processes. All of these An Ericsson cycle consists of two constant pressure and two isothermal processes. A Joule cycle consists of two constant volume and two isentropic processes. ANSWER DOWNLOAD EXAMIANS APP
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