Electrical Engineering Interview Questions
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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 5197

how to measure the voltage drop in cables also give formulas to calculate.

Cable Wireless,

3 8682

for 12KW motor which cable size has to select for ex.10 meter.

4 9052




whats the advantage and disadvantage in TUMETIC mdel transformer

ABB,

2 6814

What is meant by unilitrel device?plz tell about h-parametrs

1 1778

what is ELCB?

Wipro,

10 14576

When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 2343

iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

RRB,

998




what type of questions are asked and howmwny questions belong this catagory?

RRB,

879

A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?

TCS,

2 2190

For testing 33kv cable hipot testing. How much kv we have to Apply .Give in details.

23 65272

why we permissive overreach in distance protection.where it is applicable to use in long r short lines

1481

what is the difference between underreach and overreach.what is the advantage of using overreach instead of underreach.explain

1 9925

WHAT AC (HI VOLTAGE TEST) VOLTAGE SHOULD APPLY FOR 33KV CABLES.EXPLAIN IN DETAIL

NTPC, Voltech,

12 12476

The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.

6 6025


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Un-Answered Questions { Electrical Engineering }

Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

1335


please send me RRB electrical engineer previous year questions for Sr. Section Engineer

700


What is line resistance of cable & how it can be measured ?

223


What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

2109


hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

646






What is servo motor and what are the applications of servo motor?

1397


what is the synchronous timer ? and it applications.

1088


In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?

788


Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

763


iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

870


for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

513


What is the complete procedure of erection of electrical panel in industry

574


which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

505


What is Diff btw Fire Alarm & VESDA System???

1035


USE OF 8 WAY PAN ASSEMBLY

737