First Published in 2010. This is a new edition of a well established book which has sold 7000 copies in its current edition, and covers all of the 6 mandatory units of the 2010 BTEC Level 3 Engineering specification. The BTEC National Engineering qualifications in the UK attract over 10,000 students per year and are recognised by industry as appropriate qualifications, giving the required skills to entrants and trainees to the Engineering industry. Key points and definitions highlight the most important concepts and hundreds of activities and worked examples help put the theory in context. Questions throughout the text, with answers provided, allow students to test their knowledge as they go, while end of unit review questions are ideal for exam revision and set course work.