can any one help me for my ups inter view , list out few
basic technical ups question with answer.
Answer / sudhakar g
Basically first they will ask you
1) current calculation formula
I=w*1000/p.f*240v
2)what are the batteries used for UPS?
*SMF-sealed maintainence free
*Turbulance battery
3)how many battery will used for like 2.5KVA ups?
*4nos
Is This Answer Correct ? | 0 Yes | 0 No |
Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??
I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.
How Many Safety of Transformer
The mechanical angle is electrical angle A always less than B greater than or equal to C equal to D less than or eaual to
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?
Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?
why a single phase induction motor has poor power factor
why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???
What are the advantages of skewing of cage rotor conductors?
Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.
Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??