D, E, F? Thank you
a)Why NOx emissions are higher in diesel engines?
b)Explain the changes required for using an air conditioningsystem for a room as a refrigeration system for the storage offrozen food.
(c)If the aim is to reduce CO2 emissions from a car, would youselect an engine operating on an Otto cycle or a Diesel cycle?Discuss your selection.
(d)Explain the detailed operation of the Atkinson cycle, andexplain why it has been used for many hybrid electric vehicles. Whydoes the Atkinson cycle have a higher efficiency than the Ottocycle?
(e)In a Rankine cycle, why is it worth bleeding off some of thesteam before the HP turbine to preheat the steamentering theboiler?
(f)Explain adiabatic flame temperature
