Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applications such as heat treatment of metals (annealing, hardening…
Power Supply for Electrolytic Process: Power Supply for Electrolytic Process is direct current and at very low voltage. The power required for electrodeposition is usually very small (between 100 and…
Buck and Boost Method of Speed Control in Traction: The circuit diagram of buck and boost method of speed control in electric traction is shown in Fig. 13.15. The armatures…
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…
What is illumination? - Terms used in Illumination Light is the prime factor in the human life as all activities of human beings ultimately depend upon the light. Where there…
Difference Between AC and DC Welding: The Difference between AC and DC welding is given in table below Particulars DC Welding AC Welding Equipment Motor-generator set or rectifier is required…
Domestic Refrigerator Working Principle and Construction: The applications of refrigeration for domestic purposes are mainly in the form of domestic refrigerator and home freezers. The main purpose of this type…
Braking and Mechanical Considerations Interview Questions and Answers: 1. Why ordinary mechanical braking cannot be totally replaced by electrical braking ? Ans. Because electric braking cannot hold the vehicle stationary.…