Composite System of Track Electrification: The composite system of track electrification which comprise are the dc system the single phase ac system the three phase ac system and the composite…
Overhead Equipment in Electric Traction Systems: Simplest type of overhead equipment in electric traction systems consists of a single contact wire supported either by bracket or by overhead span. The…
Systems of Track Electrification AC Electrification System: As even in single phase electrification, the substations are necessarily required to keep the voltage drop within permissible limits. The type of substations…
Current Collection System in Electric Traction and Types of Current Collection: There are mainly two systems of current collection system for locoÂmotives, tramways or trolley buses viz Conductor rail system…
Design of Lighting Schemes: The Design of lighting schemes should be such that it may, provide adequate illumination, provide light distribution all over the working plane as uniform as possible.…
Electric Welding Machine Working Principle: The electric welding machine sets may be either dc or ac type. 1. DC Welding Sets: Such sets are of two types namely (i) generator…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 3: 106. Which of the transistor models is most preferred for the analysis of a transistor circuit both at mid-band and…
Traction Systems Interview Questions and Answers: 1. Why steam engine drive is not suitable for urban and suburban services where distance between stations is small ? Ans. Because of low…