Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency and work ratio of a simple gas turbine cycle are Low Very low High Very high Low Very low High Very high ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Cut-off ratio and compression ratio Compression ratio Pressure ratio Temperature limits Cut-off ratio and compression ratio Compression ratio Pressure ratio Temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following items is not a path function? Kinetic energy Heat Thermal conductivity Work Kinetic energy Heat Thermal conductivity Work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process There is no change of internal energy of steam No work is done by expanding steam Heat exchange does not take place All of these There is no change of internal energy of steam No work is done by expanding steam Heat exchange does not take place All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS