Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to write a progrramme to turn ON and turn OFF a motor with a single push button in AB?

HCL, Torrent Pharma,

2 5222

DG drop how much freqency at 100% load?

3 4222

how harmonics generated in induction furnance? how minimise it?

1536

difference between relay and solenoid?

2 15231

For RCD (Residual current device) Icu is defined. How i can find Ics for them?

1603

What is the differences in phase to phase voltages between star and delta connections of stator?

1 4473

cab we add capacitor bank with generator to improve power factor or not??????

1 3445

Why earthing is required for diesel tank?

Greaves,

4 10572

Why transformer rating in KVA? and Generator also?

Bhel, IEEE, Toyo Denki, Toyo Engineering,

6 11290

Pls explan the OLR setting in VCB at HT yard

Juniper Networks,

2200

Anybody now how to claculate the Bescom power consumption?

1 6109

Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

1506

What is surge impedence and surge loading....???

1 4636

why neutral wire thin than phase wire in 4pole conductor

Hero Honda,

5 12598

how to convert the KVAR to microfarad??????????????????

2 16110


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Un-Answered Questions { Electrical Engineering }

typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

1301


What are the protections for safe running of electric generator?

1724


How eddy current generation support the idea of train braking?

1441


what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

1593


What are the advantages of skewing of cage rotor conductors?

725






what are factors to be consider to design a HT & LT motor?

1824


What is creepage distance..... what will be the value for different voltage level

1513


how much winding resistance of 0.75kw to 12.5kw 3ph sqwiralcage induction motor?

2470


If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

1841


How to find out damper winding failure for synchronous machine?

1006


Differentiate between low pass, high pass and band pass filter?

627


what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

1828


When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

1592


What is vacuum circuit breaker.define with cause and where be use it device?

738


how we can calculate power factor in single phase & three phase ?thank u

1563