Engineering Thermodynamics The polytropic index (n) is given by 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) log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Those substances which have so far not been resolved by any means into other substances of simpler form are called Atoms Molecules Elements Compounds Atoms Molecules Elements Compounds ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that Heat is supplied to water at temperature below the maximum temperature of the cycle A Rankine cycle receives heat at two places Rankine cycle is hypothetical Carnot cycle can't work with saturated steam Heat is supplied to water at temperature below the maximum temperature of the cycle A Rankine cycle receives heat at two places Rankine cycle is hypothetical Carnot cycle can't work with saturated steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Carnot cycle Joule cycle Brayton cycle Reversed Brayton cycle Carnot cycle Joule cycle Brayton cycle Reversed Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Negative None of these Positive or negative Positive Negative None of these Positive or negative Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Measurement of temperature is based on Zeroth law of thermodynamics First law of thermodynamics Second law of thermodynamics Thermodynamic properties Zeroth law of thermodynamics First law of thermodynamics Second law of thermodynamics Thermodynamic properties ANSWER DOWNLOAD EXAMIANS APP