Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kilowatt is equal to 1 × 106 N-m/s 100 N-m 1 N-m/s 1000 N-m/s 1 × 106 N-m/s 100 N-m 1 N-m/s 1000 N-m/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as 273°C -237°C -273°C 237°C 273°C -237°C -273°C 237°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Work-done by a system is equal to the heat transferred by the system Total internal energy of a system during a process remains constant Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain constant Work-done by a system is equal to the heat transferred by the system Total internal energy of a system during a process remains constant Total energy of a system remains constant Internal energy, enthalpy and entropy during a process remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy in S.I. units is joule/m joule/s Joule watt joule/m joule/s Joule watt ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Mixture of ice and water form a Heterogeneous system Closed system Isolated system Open system Heterogeneous system Closed system Isolated system Open system ANSWER DOWNLOAD EXAMIANS APP