Book excerpt: • Guide to RRB Junior Engineer Mechanical 2nd Edition has 5 sections: General Intelligence & Reasoning, General Awareness, General Science, Arithmetic and Technical Ability. • Each section is further divided into chapters which contains theory explaining the concepts involved followed by MCQ exercises. • The book provides the 2015 Solved Paper. • The detailed solutions to all the questions are provided at the end of each chapter. • The General Science section provides material for Physics, Chemistry and Biology till class 10. • There is a special chapter created on Computer Knowledge in the Technical section. • There is a special chapter created on Railways in the general awareness section. • The book covers 100% syllabus as prescribed in the notification of the RRB exam. • The book is also very useful for the Section Engineering Exam.