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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is EMC filter in VVVF Drive ?

Bengal Energy,

2729

what is proper capacitor placement? How to evaluate capacitor size?

CPCL,

2124

why D.C excitation is given to sunchronous motor?

6 10022

What is mean by hormonics?

5 8389

What is mean by power factor?

Shreem Electric Ltd,

18 28367

WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

Adhunik,

2301

Can we inject more current in ct primary paralleling 2 loading transformers/Injection kit at a time?let ct ratio be (5000/1A)(per kit rating 2000A range),i need to inject 5000A,if this cant b done means wat is d optional?

1 4499

Can HT cable(11kv cable) be used for 415V, 700A requirement.

5 13778

What are the different parts of Alternator and how it works?

1 4682

What are the functions of different Parts of Alternator?

2 21511

How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

ABB,

1981

How Much Capacity of Diesel Genset is suitable for 20 no.s of 1.5ton AC's & Why?(Load Calculation)

Lapis Technologies,

11 36502

how we can select MCB ratings according to Voltages, Curves.

2 13569

how to calculate the powerfactor in induction motor having name plate details? for example 1 h.p motor 1.86 A 415 V

6 20937

Why HT cable have only 3 core ?

Jindal, McDermott,

10 30278


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how to setting voltage RTCC panel

1673


What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2760


why constant voltage transformer should be start without load? and if started then what will happen?

2045


why burdens of VTs is more than CTs?

1792


What is the dc grounding system and what is diff between AC/DC grounding system?

2118


If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2499


Can any body tell gulf interview question for experienced electrical engineer ?

2112


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

1788


iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

1927


If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1895


volts=230 c=10mf a=??

2037


What is Anemometer used to measure?

1126


if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

1414


In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

2123


what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

2088