Engineering Thermodynamics The polytropic index (n) is given by log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle with decrease in cut-off First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases 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. Carbonization None of these Atomization Combustion Carbonization None of these Atomization Combustion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Joule cycle is None of these Less than Carnot cycle Greater than Carnot cycle Equal to Carnot cycle None of these Less than Carnot cycle Greater than Carnot cycle Equal to Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On weight basis, air contains following parts of oxygen 25 21 23 73 25 21 23 73 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A heat exchange process in which the product of pressure and volume remains constant is known as Heat exchange process Hyperbolic process Isentropic process Throttling process Heat exchange process Hyperbolic process Isentropic process Throttling process ANSWER DOWNLOAD EXAMIANS APP
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