Engineering Thermodynamics Which of the following gas has a minimum molecular mass? Nitrogen Methane Hydrogen Oxygen Nitrogen Methane Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Pressure Temperature Internal energy Volume Pressure Temperature Internal energy Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Its heating value Kinetic energy of molecules Surface tension of molecules Repulsion of molecules Its heating value Kinetic energy of molecules Surface tension of molecules Repulsion of molecules 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 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 Combustion is at constant volume 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 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 All of these When heat is being absorbed, temperature of hot source and working substance should be same 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Barometric pressure is equal to 1 mm Hg 760 mm Hg Zero mm Hg 735.6 mm Hg 1 mm Hg 760 mm Hg Zero mm Hg 735.6 mm Hg ANSWER DOWNLOAD EXAMIANS APP