Engineering Thermodynamics The polytropic index (n) is given by 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)] log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle increases with Constant cut-off None of these Decrease in cut-off Increase in cut-off Constant cut-off None of these Decrease in cut-off Increase in cut-off ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is not the intensive property? Pressure Density Heat Temperature Pressure Density Heat Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Remain unchanged Decrease Increase/decrease depending on application Increase Remain unchanged Decrease Increase/decrease depending on application Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Superheated vapour behaves As steam Exactly as gas Approximately as a gas As ordinary vapour As steam Exactly as gas Approximately as a gas As ordinary vapour ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order Diesel cycle, Otto cycle, Dual cycle Otto cycle, Diesel cycle, Dual cycle Dual cycle, Otto cycle, Diesel cycle Dual cycle, Diesel cycle, Otto cycle Diesel cycle, Otto cycle, Dual cycle Otto cycle, Diesel cycle, Dual cycle Dual cycle, Otto cycle, Diesel cycle Dual cycle, Diesel cycle, Otto cycle ANSWER DOWNLOAD EXAMIANS APP
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