डीजल इंजन की ईंधन प्रणाली (फ्यूल सिस्टम) में मुख्य रूप से कितने घटक/परिपथ शामिल होते हैं?

How can a two-stroke internal combustion engine be primarily distinguished from a four-stroke engine?

The stroke length of an engine cylinder is defined as the:

A conventional steam engine comes under the category of: