Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Decreases Increases Remain constant May increase/decrease depending on the properties of gas Decreases Increases Remain constant May increase/decrease depending on the properties of gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under High range of pressures Steady change of pressures Only small range of pressures All ranges of pressures High range of pressures Steady change of pressures Only small range of pressures All ranges of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two constant pressure and two isentropic processes Two isothermal and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two constant pressure and two isentropic processes Two isothermal and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The sum of internal energy (U) and the product of pressure and volume (p.v) is known as Power Work done Enthalpy Entropy Power Work done Enthalpy Entropy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS