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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.

Allied Group,

1710

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1715

why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?

1864

If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

Reliance,

1749

how to check the LRS resistance .......................

1 3727

along with technical test papers

Vee Technologies,

1569

what should be correct gas pressures to be a 1.5 ac unite

DDK,

1447

How can we calculate cable size in Low voltage & high voltage

United Breweries UB,

1557

What is the main purpose of relay?

1 2397

completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

1624

for opening electrical shop, tips needed.

1787

Form S and "c" license application both are same? @ tneb portal

1796

I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

Elmaco,

1900

what is the difference between b c d curves on mcb

1766

i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1770


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how current is reverse from its normal direction during the fault?

2409


Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

1350


State the methods of improving power factor?

1105


what is the working principle of energy saver control panel. please give the complete calculation & theory.

2380


how to flameproof electrical motor on the shaft?

1998


Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

1609


what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

1481


before synchronizing an alternator,power factor is leading ,why?

1514


Why power genaration in India is at 50HZ while America its 60HZ

2243


WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

1956


where is core-type and shell-type construction suitable for transformers ?

2043


what is subtransient , transient and steady stateac components

2119


What descriptive information does the NEC require to be marked on all conductors?

1965


What is Electrical Grade Aluminum for Tubular BusBars. i am confused between 6063 and T6 or T5 and what is BS 2898 and BS 159?

1794


Is there any standard guidelines/Criteria to design NGR/NGT.?

2807