Worked examples calculations and exercises in Functional Safety as applied in the Process Industry. This book is aimed at Functional Safety Engineers who wish to improve their understanding of risk and reliability calculations. Examples have been created in the calculation of various risk and reliability scenarios. Answers are also provided to enable the student to confirm understanding and consolidate knowledge. This book may be a useful revision aid to those studying for the T V Functional Safety Engineer (Safety Instrumented System) examination. This book should be used alongside recommended pre-reading: Functional Safety in the Process Industry: A handbook of practical guidance in the application of IEC61511 and ANSI/ISA-84.00.01. KJ Kirkcaldy and D Chauhan ISBN 978-1-291-18723-6.