Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Expansion and compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher Expansion and compression are isentropic Heat rejection is lower Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Diesel cycle consists of following four processes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isothermal and two isentropic Two isentropic and two constant volumes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as Law of degradation of energy None of the listed here Law of equipartition of energy Law of conservation of energy Law of degradation of energy None of the listed here Law of equipartition of energy Law of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Provides relationship between heat, work and internal energy All of these Enables to determine change in internal energy of the system Does not enable to determine change in entropy Provides relationship between heat, work and internal energy All of these Enables to determine change in internal energy of the system Does not enable to determine change in entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of pressure in S.I. units is kg/cm² Pascal Dyne per square cm mm of water column kg/cm² Pascal Dyne per square cm mm of water column ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 1.41 0.17 0.24 0.1 1.41 0.17 0.24 0.1 ANSWER DOWNLOAD EXAMIANS APP