Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated, change takes place in All of the listed here Pressure Volume Temperature All of the listed here Pressure Volume Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For reversible adiabatic process, change in entropy is Maximum Minimum Zero Negative Maximum Minimum Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in cement industry and in metallurgical processes is Bituminous coke Wood charcoal Coke Pulverized coal Bituminous coke Wood charcoal Coke Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
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