Which has more efficiency: Diesel engine or Petrol engines? please give reason for same. Sign in to follow this Followers 1 Entry posted by admin · March 29 1,789 views Which has more efficiency: Diesel engine or Petrol engines? please give reason for same. 1. You can answer this question 2. You can like the best answer 3. You can share the question..... Report Entry Sign in to follow this Followers 1
Report reply Samit Singh 1 Posted May 16 Diesel engines are more efficient than petrol engines coz they have higher compression ratio which heats the inlet air and obtain higher efficiency from air fuel mixture to same quantity of air fuel mixture in petrol engine. Quote Share this comment Link to comment
Report reply Ahmed sida 1 Posted July 23 * first in simple words ( efficiency is the ratio of useful output to total input ) . In case of engines there are various components which contributes to overall engine efficiency : 1/ thermal efficiency 2/ mechanical efficiency overall efficiency =(thermal efficiency)*(mechanical efficiency). * first the diesel engines have higher thermal efficiency than petrol engines , because they run on higher compression ratios . compression ratio of diesel 12 to 25 compression ratio of petrol 6 to 10 . Quote Share this comment Link to comment
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