Engineering Thermodynamics An adiabatic wall is one which Discourages thermal interaction Permits thermal interaction Prevents thermal interaction Encourages thermal interaction Discourages thermal interaction Permits thermal interaction Prevents thermal interaction Encourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by 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) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to 1 0.75 1.27 1.35 1 0.75 1.27 1.35 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Stirling Rankine Brayton Carnot Stirling Rankine Brayton Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Vacuum Zero pressure 273°K Centre of earth Vacuum Zero pressure 273°K Centre of earth ANSWER DOWNLOAD EXAMIANS APP