Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Is it alright to connect more than one RCCB of same rating in series for a three phase equipment?

3 3783

why substation ratings are multiple of 11 means 11\33 kv substation

6 17826

why full load voltage is less than no load voltage?

4 5445

why compound generator is used in generating station?

2 3809

what are the needs of electrical earthing.... other than protection?

Eskom,

5 7927

what is the current generated in a 230v megger?

2 4396

a 11 kv line is grounded and a 110 kv line is grounded. which line have the greater current flow?

4 6029

in india why 50 hz and 220 volt taken as standard rating for equipments whereas in US 100hz and 110v is consided as standard rating.is this method save power.

Wipro,

5 8433

when power transformer is flashed which gas is produce in side?

5 6926

why zero sequence impedance measurement is not applicable for single phase GT

1677

What is creepage distance..... what will be the value for different voltage level

1475

how to improve power factor correction?

3 4570

how to flameproof electrical motor on the shaft?

1507

there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 9826

mention the earthing system as per BIS?

1 4149


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Un-Answered Questions { Electrical Engineering }

What is load boxes ?

1568


For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1556


what is (+) and (-) in generator field detector stand for?

1361


what is the IS foe lightning arrester?

1658


what is saturation kit?which use above 15 kw motors panel side.

3555






high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

1513


give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2206


what are the main applications of transistor in non-linear region?

1422


What are the uses of stepper motor?

689


How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

1911


Why phase sequence must be same in any ht motor or generator circuit?if phase sequence doesn't same whatever will be affect on circuit?

1693


Define coil span?

604


how point on wave controller works.

2048


What is meant by reset level of the relay?

660


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

1570