The present book has been specially published for the aspirants of ‘Junior Engineer (Mechanical) Recruitment Exam’ conducted by various Boards, Institutions etc. Based on the Current Pattern of Exam, the book also comprises Solved Question Papers for aspirants to be familiar with the exam pattern, the type of questions asked and their answers. Detailed Explanatory Answers have also been provided for Selected Questions for Better Understanding of readers.The book contains adequate Study and Practice Material with numerous Multiple Choice Question-Answers on all the relevant subjects, important from the examination point of view. All the practice questions in the book have been modelled on previous exam-questions and solved by respective subject-experts.The book is highly recommended for the aspirants to Sharpen their Problem Solving Skills with thorough practice of actual exam-style questions among hundreds of practice questions provided in the book, and prepare themselves to face the exam with Confidence, Successfully.