When an Engine Has Good Combustion (Proper Compression and Volumetric

question 7

Multiple Choice

When an engine has good combustion (proper compression and volumetric efficiency, proper spark timing and delivery, and a stoichiometric air-fuel ratio) , which level of gas emissions should be high?

• A) CO emissions
• B) CO₂ emissions
• C) O₂ emissions
• D) NO_X emissions

---

Definitions:

Exempt Activities

Actions or operations by certain organizations that are not subject to taxation due to their nature, usually charitable, educational, or religious.

Social Mission

The purpose or goal of an organization that focuses on creating social value and addressing societal needs rather than generating profits.

Meeting Current Needs

Ensuring the present requirements or demands of a situation, organization, or individual are adequately addressed or fulfilled.

Charity

An organization or activity aimed at providing help and raising money for those in need, often without expecting anything in return.