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Un-Answered Questions { Electrical Engineering }

What are the commonly used schemes for the bus zone protection?

365


What is electrical earthing?

412


What is meant by reset level of the relay?

396


How many methods use the load flow solution?

471


What is the difference between the relay and the circuit breaker?

375


What is the power plant or power station?

440


How many types of fault occur in a 3-phase power system?

428


What is the importance of earthing?

408


What is mean by hot and cold loop testing? What is the difference between them?

359


What are the different modes of plc processor?

420


What is mean by hot and cold loop testing?

397


What is the difference between hot and cold loop testing?

399


L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.

371


how the aircraft outer body and inner body is separated ?

351


how the inner and outer body is separated in aircrafts?

344