Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

explain PV modules in solar energy generation.

1928

dear sir, i completed diploma in electrical in 2005, how i can get electrical supervisor liance in mumbai

1967

what transformer we used normally and upto which kva?

1949

In Delta connected capcitor bank, One bank failed due to some problem. Can we connect Open delta capacitor bank to 3 phase motor. The motor voltage rating is 6.6KV. IF yes what changes will happen?

1 3482

Why can we connect the mobile charger both ways?

2 4205

why voltage between neutral and earth, with out secondary grounded distribution transformer

Wescosa,

1 3575

What is the clear distance between a MV panel(rear side) and wall.

L&T,

3 6913

How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

1911

I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA

1 3252

difference between synchronous reluctance motor and switched reluctance motor

1 5157

How the current flows in dc circuit?

3 5607

what is meant by negative conductor?

2 4169

how megger step up the DC voltage

Voltech,

1 5133

why does voltage generation at 11 kv?

2 4891

we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???

NTPC,

1989

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Un-Answered Questions { Electrical Engineering }

why only exciting current is shown not primary current in transformer???

1869

ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

4161

Why do power lines not short out when they fall into water?

2003

how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1946

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

2999

Why cables and busbar both needed in LT Panels?

2183

EXPLAIN THE TRANSFORMER MAINTENANCE?

2281

can mini-curcuit supply MIL-tested transformer !

2134

we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

1735

What is an ac motor?

1277

In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1966

Define non-touching loop.

1336

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1839

WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

2100

What is The Resistance Formula

1275

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