This book helps students acquire hands-on skills in the following areas of workshop practices: Plumbing and carpentry. Arc and gas welding, sheet metal work and machining operations. Smithy, foundry, machine assembly and fitting operations. Methods of household and industrial wiring, use of measuring instruments, identification of electronic components and devices, and the study of their characteristics through experimentation, soldering of electronic components, etc. The book is intended for the first-year undergraduate engineering students of all disciplines. KEY FEATURES : Includes a large number of figures and examples for easy understanding of operations of tools and equipment. Offers viva questions with answers for practical examination.10.8.5 Staircase Light Wiring Staircase wiring using one lamp and two switches: The staircase wiring circuit is shown in Fig. ... conditions of switches in staircase wiring Position of switch Position of switch Condition of lamp ($1) (52) (L) 1 1 ON 1 2 OFF 2 1 OFF 2 2 ON Staircase wiring from three places: One light ... X / Intermediate switch S1 S2 2-way switch (a) Schematic diagram (b) Wiring diagram Fig.
|Publisher||:||PHI Learning Pvt. Ltd. - 2012-01-09|