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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if sf6 gas low in gis what will happen

86

How to test lightning Arrester?

88


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Un-Answered Questions { Electrical Engineering }

what is the concept of directional power?

1295


What can you contribute to the progress of our Company as an employee if you are selected?

4638


wheather the size of windings in motor and generator are the same

1311


Draw the DOL starter and star delta starter drawing?

2306


what will happen if frequency is below 50 hz?

1314






What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

1392


if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1347


How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?

1115


How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?

1294


how to test YNyn0 vector group in transformer?

2716


What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

2745


State thevenintheorem?

421


Is there any standard guidelines/Criteria to design NGR/NGT.?

2168


Tell me all plants load factors i.e which plant operating on which load?

1367


Define resonant peak?

465