AG Mechanics CDE Practice Exam 2026 - Free AG Mechanics Practice Questions and Study Guide

Portland cement is the correct answer because it is the most commonly used type of cement around the world. It is produced from a mixture of limestone and clay which are crushed, then heated in a kiln to form a clinker. This clinker is then ground with a small amount of gypsum to produce Portland cement.

White cement (option B) is a specialized type of cement that is used for aesthetic purposes due to its white color. Masonry cement (option C) is a blended hydraulic cement composed of Portland cement, other cementitious materials, and a fine mineral that is used in masonry construction. Sulphate resisting cement (option D) is a type of cement that is designed to resist sulphate attacks and is used in areas prone to such conditions.