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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the ms flat constant for calculating earth mat design calculation?

1803

what is reactive power?, why its measured in VA ? is it transient behavior of system?

1641

how to get more than 1000 ohms between 2 earth pits ?

HCL,

2 3559

how many safety really of DG sets.

MBD, Nerolac,

1511

how line turns ratio changes in 3 phase with change in connection

1247

which cable is preferred PVC OR XLPE for voltage from 220V to 11 KV with proper justification

BARC, Sail,

1 3953

Why VL is more than the Vc?

2 3778

What is main difference between earthing and neutral grounding?

Jindal,

3 5309

Why you want to join non technical field when you are an engineer?

5923

What is the technical name of minute currents that i have been produced in moving electrical objects?

ITC Infotech,

2 3887

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1068

What does substation operator do in substation?

ABB,

2 6383

HOW MUCH MAXIMUM CURRENT TAKEN BY NEAUTRAL IN 125 KVA DG SET

KOC,

1 3853

Can any body tell gulf interview question for experienced electrical engineer ?

Gulf,

1425

WHAT IS THE REASON OF CHANGE FREQUENCY IN DG SET AFTER FULL LOAD.

1 2918


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Un-Answered Questions { Electrical Engineering }

What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

1378


Whata are the types of Cables?

1399


what is the correct format to create a resume for interview??

1351


If VFD is On but no starting commond on it. so how many outpout voltages of VFD

504


What do you mean by an instrument transformer?

500






What are the types of piano switches?

1278


What is self exciting?

1105


What is transient response?

491


I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1247


Define availability (operational)?

487


If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

1433


Why collecting electrode of ESP to be earthed

1457


can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

785


How is the speed of a DC shunt motor related to the armature current?

499


WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1413