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Electrical Engineering Interview Questions
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Pls any send the cable selection chart. at azeemk30@gmail.com

 2 3840

how do skin effect is reduced when hallow cond or stranded cond are used ?

 1 2329

how to distinguish between ac motor and dc motor without seeing name plate of it.only seeing its getup look

Nahar, Siemens,

3 9252

when u are given a timer,push buttons and contactor, how do i practically make a star delta control circuit and a direct online control circuit?

 1 1975

why are we adopting 132kv,220kv for transmission rather than using 440kv at all transmission lines as it gives lower losses?

APGenco,

2 5853

HOW TO CALCULATE UPS BATTERY BACKUP TIME

HSBC, VRVS,

3 35418

explain maximum demand factor

Sterling,

1 2315

what is the difference b/w KVA and KW? the transformer are mentioned KVA rating and the loads are mentioned KW.why?

2 2622

difference b/w timer and counter

1 3800

what is black out?,what is brown out?

 1 3251

define hysteresis loss, eddy current loss and windage loss

1535

ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

 1855

iii) A shunt motor runs at 70 rad/sec from a 460V supply and takes in an armature current of 100A. Resistors of 2.52 ohms and 1.64 ohms are connected in series with the armature and in parallel with the armature respectively. The field excitation remains direct from the 460V supply but the generated torque is halved. Determine the new running speed. Neglect brush voltage drop. The armature resistance is 0.4 ohms. [15]

 1 1959

what will hapen if we give ac supply to dc motor?

 2 4689

what is the powerfactor

GVK,

5 6607

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Un-Answered Questions { Electrical Engineering }

How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?

1699

what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

1554

If there is major % of Voltage harmonics in the system, how can it be control or reduced?

1565

from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

1713

WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?

1687




For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1591

what is transient stability analysis means?

1666

im electrical engineer, could any one help me for FEWA exam questions please ?

562

how balanced in star delta connection ?

1625

what is meant by directional earth fault and non directional earth fault? describe both.

1464

In siemens PLC, why do we want to move the data ?

1854

write a program that prints prime numbers from 1-20 in digonal form

1525

What is the working mechanism of OLTC in Power Transformers????

3891

why the name trunking bus PT

2489

what is draiv work

1445

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