Answer Posted / sandipan sarkar

it is ratio of insulation resistance (IR)for 10 minutes to
insulation resistance for 1 minute.

it should be 2.5

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

1933

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What is PQA???Applications........

2376

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what is meant by k-rating in isolation transformer?what is k9, k14 stands for?

2765

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Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2902

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what is the value of combined earthing in general electrical circiut?

1902

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explain different types of d.c motors?

1142

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why need to be maintain power factor for industrial customer?

5056

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Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

2583

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How to setting the volume of RTCC panel AVR (11kv) controller

1589

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IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

2135

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if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1900

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what are the available sizes of pin type terminal lugs in the market today?

1831

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A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

2017

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Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

2290

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1962

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