Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In my power station 220 volts dc battery set. they coneected 84th cell taped

KPTCL,

1 1449

Safety devices in SF6 Circuit Breaker?

DELL,

1 2154

Welding machine

CEL,

1 1742

how many joints are allowed in underground HT cable of 1 KM

1349

We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1234

In CTs tan delta point should be earthed , what is the reason behind it?

2485

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1326

they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 1671

What is the Difference between Power Swing and Out of Step?

1 2055

On Which Pressure PRV is operated.

AEPL,

1266

How much amperes needed for starting of 4HP motor?

CM Smith Sons,

1 1714

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

1107

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1140

three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

econ,

2 7433

What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

1562


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Un-Answered Questions { Electrical Engineering }

if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.

1562


slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

1456


How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

1438


EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1380


sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

1797






Why reactors use before incoming of ac vvfd drive?

1350


DC transmission

1592


why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

1579


What is current divider rule (cdr)?

816


What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

651


What is the difference between a fuse and a breaker?

603


Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1507


How CFL &T5 tube light glows?

1586


Purpose of providing neutral isolation panel for parallel operation of diesel generator

1174


how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1273