Engineering Thermodynamics The throttling process is __________ process. Reversible Reversible or irreversible Irreversible None of these Reversible Reversible or irreversible Irreversible None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 800 K 1000 K 1200 K 1400 K 800 K 1000 K 1200 K 1400 K 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 Combustion is at constant volume 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 23 77 25 21 23 77 25 21 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as External energy Internal energy Entropy Enthalpy External energy Internal energy Entropy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 10 × 10⁵ joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ kilo joules 10 × 10⁵ joules 100 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ kilo joules ANSWER DOWNLOAD EXAMIANS APP