Đối với động cơ xăng, nếu hệ số dư lượng không khí α (hoặc λ) >1 thì:

This document is a comprehensive multiple-choice question bank covering the principles, components, and operational aspects of internal combustion engines. It includes questions on engine cycles, combustion processes, engine parts like pistons, connecting rods, and valves, as well as lubrication, cooling systems, fuel properties, and engine performance.