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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to calculate voltage regulation?

Qtech Software,

1 2857

if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

Delta,

1867

why should small green grass ans small plant should not be there inside the transformer Yard in the factories

Riddhi Siddhi,

1756

why a tester wont shock while testing the power in house

Tessolve,

1854

i have a 1500kVA transformer what is the kWH meter i need to use?

HP, L&T, Mohammed Harasani Architects,

1785

Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?

1 2443

What type interview questions ask in Electrical technicians

1792

ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?

2021

Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.

Shree Lingaa Polymer,

2 2928

V.c.b and a.c.b difference

4 4340

why Lightening Arrester Probe sharp at Top of telecom tower.

Reliance Jio,

1556

What is the meaning of loop in transformer

AST,

1794

can we use NPT glands in LT panel

1841

If our power factor is lagging then who is in profit? I mean consumer or Supplier!

Sail,

1 2889

What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?

SRM,

1952


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Compare jfet’s and mosfet’s.

1284


salam,hi, i need to know what the spesification of 300amp msb...

2033


Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

2086


i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

2614


what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

2102


Why CBCT rating is 50/1A

2857


WHICH SIZE A.B.CABLE IS USED FOR 11KV.

2198


If any cable burnt how can we identify it burnt by high current of high voltage? 

2450


When is lag lead compensator is required?

1124


What is principle of Floroscent tube 36watt.

2045


How do we calculate transformer oil in liter from the rating of the transformer.

1674


distribution is maximum done by a)radial b)network c) parallel d)b & c

2015


plz explain the auot-reclosing circuit in electrical engineeing

2479


what type questions asked in hp cl

1862


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.

2142