Which engine is better in performance-wise

Keep practicing — related questions

• The most efficient engine is _____ engine.
• Which is not there in Petrol engine?
• The car has a fuel efficiency in Highway of around
• Diesel engine is more efficient than Petrol engine with regards to thermal efficiency?
• Pick the odd one out
• Which device mixes air and petrol (gas) for the internal combination engine?
• Which is not there in Diesel engine?
• High speed engine works on