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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

all 3 current transformers (C.T) are burnt in a L.T Panel - what are the possible reasons

5 7158

Why front mounted CT polarities are always towards breaker?

1990

What is the function of Antipumping Relay and Lockout Relay?

1 4436

Differentiate between power relay and reverse power relay?

ABB, TVS,

2 9628

WHAT IS A LINE CURRENT AND PHASE CURRENT

3 6633

How many distance in distribution pole OR 33Kv line pole

Sail,

2 13472

ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

ONGC,

2321

what is the significance of cabability curve of alternator

2187

solor panels arrange some angle,panel is flat fitted energy was produced or not why?

1866

Why is ignitor used in sodium vapour lamp

1 3502

In star and delta connected systems , for driving power and as well as light load which one you will preferred?

Aramco, IBM,

2 5666

Relation in between KWH & KVAH for Electrical consumption unit & how we can relate if KWH is lower than KVAH

Deepak Fertilisers, Torrent Pharma,

11 143141

why the value of k is more in shell typr transformers?

1963

why we changed the polarity of DC generator ?

DMRC, Microsoft,

1 5604

1) Can anyone give me a typical value for Insulation Resistance of 11kV xlpe cable? 2) How much will the IR value decrease per KM of cable length added?

1 3896


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

1956


A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

2595


1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

1712


at what base you will tell the direction of rotation of dc motors and generators?

1100


what are the interview question asked in wind mill about electrical

2311


How many types of faults are there in 3 phase power system?

1050


What is the permissable nutral current of three phase system as per IS standards?

2060


If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

1395


we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

1839


What is time response of the control system?

1051


How to know of any cable size if there are not written on cabl?

1867


is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

1991


Why i receive the GCU fault in my DG Sychronization panel . what all the factors considered for this fault .

2185


What OPGW is better than Microwave or PLCC???

4096


WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1922