This book was designed as a study guide to help students in secondary and tertiary institutions offering courses in relevant fields of the agricultural engineering profession. It helps provide a guide for students preparing for professional and graduate examinations. This study companion is packaged in two parts: Part 1 presents typical professional examination questions in agricultural engineering, some hints on solving specific problems. This part comprises of nine chapters and 201 structure-response questions and answers. The structured questions cover various courses such as agricultural engineering applications, an overview of various courses and content relevant to; Introduction to agricultural engineering: Socials, structures and historical perspectives, farm power sources and units, farm machinery and development, agricultural mechanization and technology, agribusiness and economics of machine use, natural (soil and water) resources and environment, farmstead planning and management, agricultural tractor systems and agricultural operations, Part 2 presents 100 multiple choice and alternative questions and answers covering various segments of the structured questions.