The present book has been specially developed for the candidates of ‘Bokaro Steel Plant–Attendant-cum-Technician, Operator-cum-Technician, Surveyor, Mining Foreman and Mining Mate Recruitment Exam’ conducted by SAIL. Based on the current syllabus of the exam, the book is highly recommended to be familiar with the exam pattern. Separate sections have been provided in the book for detailed study and practice of important subjects of the exam. All the practice questions have been solved by respective subject-experts. Specialised Study Material with a Solved Question Paper. Each Topic Discussed Chapterwise in a Lucid Manner. Each Chapter Contains Sufficient Number of Solved Multiple Choice Questions (MCQs). Selected Multiple Choice Questions Provided with Detailed Explanatory Answers. It is believed, the book will prove very useful for study, practice and before the exam for reference and revision. It will Sharpen your Problem Solving Skills with thorough practice of numerous questions provided in, and prepare yourself to face the exam with Confidence, Successfully.