Electrical Engineering Interview Questions

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How do you maintain the batteries for generators, what is the daily maintenance of a generator?

What accessories required to give the motor with given circuits and do you know the ratings of those accessories?

How you take care of a motor from over loading and what are the different overloading ratings of different motors?

Do you know how to joint the H.T and L.T Cables?

KESC, MGVCL, Nokia, Oil Country Tubular, Power Control, SAGT, Siemens, Simco, Vivek Engineers,

What are the starting currents of different motors and also what are the running currents, and idle currents?

What meant by lagging and leading? When if they are occurred what preventive methods should be taken?

What is meant by Resonance what are the different types of resonance and what are uses of them?

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Un-Answered Questions { Electrical Engineering }

what is negative d.c. voltage, why this voltage is used in base transciever station.

According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

Explain Energy and Power signals?

How many kinds of E.L.C.B and how to work E.L.C.B

How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

Sate maximum power transfer theorem?

please explain to me how to calculate current,voltage,resistance with formula??

can we find the inductance of a induction motor?

how we decide scurt (disc) of insulator with respect to kv rating

WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

how many joint can done in HT line and what is life of the joint

Define de-sensitivity?

specify the inbuilt protections in DG

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?