Answer Posted / lokesh
SWA means Steel Wires Armoured Cable generally used in
house hold wiring.
| Is This Answer Correct ? | 0 Yes | 9 No |
Post New Answer View All Answers
Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
in the case of 6.6kv motor starter combination contain fuses on it VCB. but in 11KV motor starter combination Fuses are not using in it's VCB why?
what is method for testing CT
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
how many synchronous motor are there in any power plant
In the ACB breaker capacity is 2000Amp but this each phase taken 1250 But total beldibg load is 600amp or 700amp watt is the problem
what can be the causes of capacitor start motor having a higher current that its actual
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.
what & how to check the lightning arrester
why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points
What is Harmonics how it is produced and what is the method to control the same
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
