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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is dc induction motor ? and how to control its speed ?

HAL,

1 4321

difference between crane drive and line drive.

1908

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

3274

why we use tapechanger in primary side of transformer

Bhel, L&T,

5 9948

two bulbs of 100w and 40w respectively connected in paralel across a 230v supply.which bulb will glow bright and why?

4 14408

What is the function of RCBO? What are the different sensitivity ratings & each application?

L&T, Legrand,

2814

derive the formula of amp hours is calculated for 12v battery.where no. of plates is given

1 3472

I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?

1958

Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

Prasad Group,

1 3967

What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

2161

Dear all i want to know FEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me shibin_75@yahoo.com

FEWA,

1 14155

what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

3327

what is battery impedance testing and how we perform this test with four wires.

Etimaad, MRF,

1 5254

ALONG WITH MEGGER TEST FOR CHECKING OF MOTOR ,WHY WE MEASURE FOR RESISTANCE AND INDUCTANCE?

L&T,

4 9626

what is the function of supervison relay?Draw its wiring diagram.

IBM, R.R. ISPAT LIMITED,

2 7271


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1972


HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

2316


How we can determine short circuiting current any plant and for example a plant which power generation is 415 volts and plant load is 500 kw.

1992


what the principle of sincroscope?how it works?when it needed?

2290


Why is tan-delta test and capacitor measurement done on alternator?

2212


Why MCCB is Getting tripped sometimes when there is no load in the Midnight ?

1981


Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1862


how to commissioning the genset with amf panel?

2405


what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

1956


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

2009


i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

2155


Why Neutral Isolation is required?

2231


what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

4036


What is the settings of distance protection relay in 400 kv line

1697


What is the most important precaution in any experiment with d.c. Shunt motor?

1265