Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to calculate flow of water delivered by pump when pressure & size of pipe line is given

Knight Frank,

1051

what is the apt definition for kirchoff's current and voltage laws?

3 4949

Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

883




how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

893

what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

L&T,

1515

what is the senstivity and stablity? what is different?

1 1163

what is the merz prodution ? what is the turn to turn fault?

L&T,

2 4057

what is sloop? what is meen LLB in and difine?

958




Define working of prim mover governer in alternator?

1 2738

what is the differents and advantages of Electro magnetics relay and static relay ? what is the numerical relay ? advatages?......

TCS, CAT, L&T,

7 18032

what is the different between HT auxillary relay resistance and transformer tripping relay resistance?

850

what is diffential relay? testing proceure?and transformer reach Over load thet time differencilal relay operate or not ?

5 5187

why synchronization done in clockwise direction?

Hindalco, NTPC,

11 11898

HOW GENERATING END VOLTAGE LEVEL (6.6 KV/ 10.5 KV/ 11 KV/ 13.5 KV) DECIDED IN POWER PLANT. ON WHAT FACTORS THE GENERATING END VOLTAGE DECIDED, & WHAT IS THE CALCULATION USED FOR THIS.

Cognizant, Areva,

3 15824

how to do CT Burden test

2 10312


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Un-Answered Questions { Electrical Engineering }

thyristor controlled APFC panel design parameter?

624


If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

834


Why HT 11 KV Slipring Motors are connected in star ?

1004


How to convert a two phase power into a three phase power in induction machine?

616


Why we find the sensitivity for the CT's to check?

604






How do you determine the size of transformer radiators in a transformer?

687


what is the best method of grounding in 30 MW generator?

658


IN 1000kva transformer where the oil and winding temperature sensors is connected

1181


What is the tension required for the 25000 CFM AHU belt

1271


what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

3821


why are u join ntpc

926


What is Scheme Test of High Voltage Switchgear. Which tests it includes.

1128


why there using acb enclosure in big buildings

677


how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

915


700KW 6.6KV slip ring induction motor to use VFD to control the speed

1864