Engineering Thermodynamics Change in enthalpy of a system is the heat supplied at Constant temperature Constant pressure Constant volume Constant entropy Constant temperature Constant pressure Constant volume Constant entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant enthalpy Constant volume Constant temperature Constant pressure Constant enthalpy Constant volume Constant temperature Constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by 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) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of Two constant volume and two isentropic processes Two isothermal and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two isothermal and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by Clausis Gay-Lussac Kelvin Joule Clausis Gay-Lussac Kelvin Joule ANSWER DOWNLOAD EXAMIANS APP