Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 1.5 Ru × T Ru × T 3 Ru × T 2 Ru × T 1.5 Ru × T Ru × T 3 Ru × T 2 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 0.287 J/kgK 2.87 J/kgK 287 J/kgK 28.7 J/kgK 0.287 J/kgK 2.87 J/kgK 287 J/kgK 28.7 J/kgK 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 Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv). Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Brayton Rankine Stirling Carnot Brayton Rankine Stirling Carnot ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The main cause for the irreversibility is Heat transfer with a finite temperature difference All of these Mechanical and fluid friction Unrestricted expansion Heat transfer with a finite temperature difference All of these Mechanical and fluid friction Unrestricted expansion ANSWER DOWNLOAD EXAMIANS APP