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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is depreciation factor?

HCC,

2271

what sis the testing procedure of transformer and ht panel?

1 3840

what is the formula for converting dc power(watt) to ac power (watt)?

ABB,

3 9608

why ohmas low not sutable to transformer.

1 5026

why indicated sypply only by 440V in 3-phase system.

2 5144

What information we need to prepare relay coordination chart

2342

1.What is the difference between isolators and circuitbreakers? 2.What is bus-bar?

1 5041

why the vector group of excitation transformer is YD5(150 deg)how is this factor decided.

1 8637

1.Is there any difference between terminologies,HT-HV <- LV? 2.What is the highest transmission voltage level in india?

5 16369

1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

BSNL, SSC,

5 32335

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

SSC,

2321

3.The slip of an IM UNDER FL condition is about.....

SSC,

1 4016

4.In which type of welding is a pool of molten metal used.....

ISRO, SSC, Vizag Steel,

3 22001

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

SSC,

2093

6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

SSC,

2 6704

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Un-Answered Questions { Electrical Engineering }

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2229

does buccholz in a transformer use batteries

4879

plz tell me,ht and lt panel terminals in substations explain beiefly

2926

explain all the classes with example

1963

george phenomenon of synchronous machine

7547

1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

2003

What is Auto Mains Failure Panel & Auto Synchronizing Panel

1943

What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

1472

What is Fire Panel ? How it works ?

2072

How calculated single phase induction motor req. Capacitor?

1583

How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

2091

what are the stresses in circuit breakers ?

2020

HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

2217

Where servomechanism is used?

1111

What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1637

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