Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How many homes can a 500kva transformer supply in S.A

1 13288

how we will deside the high voltage value

1447

why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

Qatar Gas,

4 7782

What is disc insulator and it's application..?

2 3177

What is Long rod insulator and it's applications..? merits over the disc insulator ..?

1431

How to find earthfault location in long cable layed underground or outside.

3 4462

In single core cable, Why non-magnetic material is used??

1 2279

what is the mean of"turbo" in turbo alternator???

CCCL,

1 4664

Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

Motherson, Motherson Molds and Diecasting Ltd.,

1889

If increased the frequency up to 1000 then what changes shows in voltage?

1965

what is the difference between synchronous motor and induction motor?

3 5098

in 11kv/400v transformer when only one phase of 11kv supply fails what happens to sec voltage and why

6 13931

In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check resistance of stator winding at motor terminal box its resistance varies why ??

Jindal,

3 5393

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

1552

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

1776


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Un-Answered Questions { Electrical Engineering }

which connection is safer series or parallel?usually which connection we prefer at home?

8287


What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

1561


HOE WE CAN IMPROOVE BY USE OF CAPACITOR

1510


what are the applications of TIG welding

1160


What Is HO factor in power selection

1546






WRITEDOWN FEW RELY CODES

1798


What is Servo Ventilated Motor?

1590


There are Two questions about Steam Turbine Generator... What is HRSG bypass of LP, HP used for in power generation? In particualar, in the event that fault of HP bypass, there would be STG TRIP in operation but none on the LP bypass fault...what's the reason ?

1803


which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

1558


design a LV scheme for a 15 storied building?

1467


what is the difference between c power and U power acb breaker

5260


What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

1105


When color of silica gel will gets change from blue to pink from Top to bottom?

1109


How to Calculate The sag of OPGW in Transmission Line???

2649


can i use ups power as a raw power for another ups

1457