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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Remain unchanged Increase Decrease Increase/decrease depending on application Remain unchanged Increase Decrease Increase/decrease depending on application ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The atomic mass of sulphur is 12 32 16 14 12 32 16 14 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The statement that molecular weights of all gases occupy the same volume is known as Gas law Law of thermodynamics Avogadro's hypothesis Dalton's law Gas law Law of thermodynamics Avogadro's hypothesis Dalton's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (v1/v2)γ - 1/ γ (p2/p1)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (v1/v2)γ - 1/ γ (p2/p1)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 11/7 9/7 7/4 11/4 11/7 9/7 7/4 11/4 ANSWER DOWNLOAD EXAMIANS APP