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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is Procedure the procedure to select CT's & PT's in 66kV and above substation?

Infotech, Vijai Electricals,

3 11635

what is extra low voltage system

3 10407

WHY EXCITATION OF SYNCHRONOUS MACHINE IS DC NOT AC

NTPC,

8 16180

Why (In India) we preferably go for +-30 deg connection of transformer? what are the advantages in this connection?

2 4528

operation of diesel generator

1974

What is Antipumping Function & If we have C.T how we find the Ratio ?

1973

How to Convert Gen KW to H.T amps ?

2 6887

at which voltage level arcing ground is occurs ??????????

TATA,

1997

why test lamp didn't glow across 500v megger?

Aurobindo,

4 7768

why we are testing cables with DC supply not with AC supply?

Aurobindo, DEWA, L&T,

9 30746

What is the Difference Between resistance and resistivity?

Sun Pharma,

2 7359

what is the different between surgearrester and lighting arrester

HPCL,

4 8194

why exterrnal C.T. protection is used even though ACB& VCB is having inbuild C.T. protection?

2 5240

what is the different bitween ETP & WTP

Square Pharma,

1 9895

According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

4117


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to find Harmonics and types as per the equipemnts

1221


Is potential difference materials property ..? if yes tnen how.. explain brifly.

1991


Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1869


What are hrc fuses and where it is used?

1140


how to minimize earth resistance upto 2Ω, if the resistance is 6 Ω ?

1803


hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

2037


can anybody sent me power grid questions. what subject should i prefer for preparation?

2073


33kv Rated output avilable in market (any where in india)

2036


A well system is when , no. of bus bar is less or more. Tell me the concept of it.

1872


sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

2112


the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

1807


How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1933


What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

2233


What is dynamo function in DG sets and draw block diagram?

1990


Why delta star trformers are used for lighting loads?

1143