Section: Thermodynamics | Type: NAT | Marks: 2
Air in an ideal Diesel cycle is compressed from 3 litre to 0.15 litre. It then expands during a constant pressure heat addition process to 0.3 litre. If the ratio of specific heats, γ = 1.4, the thermal efficiency (in %) of the cycle is ___________ (rounded to one decimal place).
Answer: 63 to 66