Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) 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) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of One constant pressure, one constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as Rankine cycle Atkinson cycle Diesel cycle Dual combustion cycle Rankine cycle Atkinson cycle Diesel cycle Dual combustion cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 26.03 bar 23.97 bar 25 bar 34.81 bar 26.03 bar 23.97 bar 25 bar 34.81 bar ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Entropy Temperature Internal energy Enthalpy Entropy Temperature Internal energy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
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