Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

DAE,

1224

how to calculate the slowness and fastness of energy meter if we have different kw load for example (0.746 kw and meter rev constant 400 and we calculate the 2 rev in 30 sec) please explain the formula thanks

WAPDA Water and Power Development Authority,

1 5339

What is the effect of using an underrated size cable to supply electrical power to a 3 phase ac electrical motor? What is the effect of using an overrated size cable for the same motor?

1 4248

advantage and disadvantage of team work?

Ethio Telecom,

1253

why CRGO material used in transformer?

Honda, Yazaki,

2 3256

how to identify vector group of three phase transformer by voltage method?

AAU,

1145

Why different Pressure switch used in marine boiler water circulation system

MMD,

1297

Our transformer capacity is 500kva & voltage ratio is 11kv/433v step down tf.Now i need to know if my input voltage is 10500v and what would be the secondary side voltage i.e output voltage ?

Helma,

3 3727

what is the abbreviation for F.M In FM-200 fire suppression system

1 6229

why induction motor take more current when motor start time and this current take for 1 hours when motor is start.

2 2438

How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

1113

Can we install and run MCCB suitable for 440v 3Phase 4wire system, on a 220V 3Phase 4Wire System.

3 2788

What is neutral and how to produced

L&T,

1 3263

How to calculate VCB current rating for 2000 KVA transformer

Yamuna Power and Infrastructure Ltd,

1 8357

oltc of a transformer, how it works? and what are the equipment consist of describe briefly?

1566


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is the best transformer oil breakdown voltage?

709


What id difference between power and energy?

651


How colour picturetube works & how many year it will works.

1565


There are a trformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

672


Can double compression glands be used with regular cables?

1640






could you measure current in parallel?

676


how much LT load can bear by the 100 KW HT connection.

1737


what is differentila pilot supervision in the incomer control panel in the power station?

1618


what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

1880


Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

1888


what is the difference between interconnection and intraconnections in the circuit diagrams

7557


What is the maximum operating temperature for a thermoplastic insulated cable?

642


what is mathed of check the D.C MOTOR 181 KW (ARMATURE AND FIELD) WHAT IS THE MATHED OF CHECK THE THYRISTOR MODULE (HIGH CURRENT)

1549


Under wat condition statcom operates as an inductor for the transmission line?

1420


We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

1202