Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 6: 252. The atomic hydrogen welding is based on the principle(s) of (a) obtaining atomic hydrogen by means of an…
Refrigeration and Air Conditioning Interview Questions and Answers: 1. What is practical unit of refrigeration ? Define it. Ans. Tonne of refrigeration (TR) is the practical unit of refrigÂeration and…
Illumination Engineering Interview Questions and Answers: 1. What are the advantages of artificial lighting produced electrically ? Ans. Artificial lighting produced electrically have the advantages of cleanliness, ease of control,…
Protection of Feeders and Transmission Lines Interview Questions and Answers: 1. What is unit type protection ? Ans. Unit system of protection is one in which the protection responds to…
Circuit Breaking Interview Questions and Answers: 1. What is a circuit breaker ? Ans. Circuit breaker is a mechanical device designed to close or open contact members, thus closing or…
High Voltage DC Transmission Interview Questions and Answers: 1. Why is voltage regulation better in case of dc transmission ? Ans. Because of absence of inductance in dc systems. 2.…
Interconnected Systems Interview Questions and Answers: 1. Why are alternators put in parallel ? Ans. For high efficiency of operation, reliability, convenience and economy in maintenance and repair and possibility…
Basic Electronics Interview Questions and Answers: 1. What is difference between active and passive devices? Ans. In passive devices, the time average power delivered to the device over an infinite time…