Un-Answered Questions { Electrical Engineering }

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

611


What is the importance of earthing?

667


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

603


What is mean by hot and cold loop testing?

634


What is the difference between hot and cold loop testing?

667


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.

663


how the aircraft outer body and inner body is separated ?

624


how the inner and outer body is separated in aircrafts?

591


What happens to a motor if it is connected in Delta connection

568


75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

3270


what is the range of maximum DOL and SDS can be use for pump and fan application

632


What is the difference between DOL starter and star delta starter

574


electrical knowelge

732


What is resistance reading of earth copper rod with grid and without grid?

648


How many gap between finger contact in a.c.b. and v.cb.?

746