Engineering Thermodynamics When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is Wood charcoal Briquetted coal Coke Bituminous coal Wood charcoal Briquetted coal Coke Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kerosene is distilled at 345° to 470°C 65° to 220°C 220° to 345°C 470° to 550°C 345° to 470°C 65° to 220°C 220° to 345°C 470° to 550°C 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 Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Second law of thermodynamics defines Work Heat Entropy Internal energy Work Heat Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 300,000 Nm 300 Nm 3000 Nm 30 Nm 300,000 Nm 300 Nm 3000 Nm 30 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, 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 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 ANSWER DOWNLOAD EXAMIANS APP