Systems of Track Electrification DC Electrification System: The substations are necessary for control of electric supply to a considerably long network in systems of track electrification DC electrification system. DC…
Current Collector for Overhead System and Types of Current collector in traction: The current in the overhead system is collected with the help of sliding contact collector mounted on the…
Current Collection System in Electric Traction and Types of Current Collection: There are mainly two systems of current collection system for locomotives, tramways or trolley buses viz Conductor rail system…
Factors Affecting Air Conditioning System: In this modern age everybody is trying to improve his surroundings in order to make living conditions more comfortable. Air conditioning is one of the…
Explain Vapour Compression Refrigeration System: Vapour Compression Refrigeration System is the most important system from the standpoint of commercial and domestic utility and most practical form of refrigeration. The working…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 12: 552. The electric motor used for traction work should be mechanically (a) small in overall dimensions (specially in its…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 11: 502. In underground traction, the supply system is (a) 500 V to 1,000 V dc (b) 25 kV, 50…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 10: 452. .......... is a process that is generally used in winter air-conditioning. (a) Humidification (b) Dehumidification (c) Heating and…