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DRDO Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Two electronic energy meters are connected to seperate phase wires, but connected to a looped neutral. Are these going to function correctly?

8 6803

why we use star connection on the primary side of a transformer?

5 11354

Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 21638

What happens if a three phase induction motor is suddenly single-phased while running? Which type of winding connection will be affected?

22 50274

campared to ac, in dc corona loss is

4 6005





Describe the control mechanism of missile launcher???

683

what is the difference between thyristors and capacitors

2 5862

two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

16 44708

A separately excited dc motor having 2 ohm armature resistsance draws a current of 10A and torque developed is 20 Nm under rated field condtion. the speed of the motor under the rated field condtion , when it is connected to a 100V DC source and delivering 10Nm torque....

2 2721

WHAT ARE THE BELT HORMONICS IN AC MACHINE HOW TO REDUCE IT

2 2493

if u give d.c. supply to transformer primary then what happen.&why??????????????

4 5647

In simply words(not explain any formula )what do you mean by power factor.?

5 3597

What is the minimum load that you can keep in a 3 Phase 40 KVA Diesel Generator? Is it neccessary to load all the 3 phases? Can a phase be left without load?

2 3321

What is the difference between voltage and emf ?

3 3817

What is complex power?

1 1563

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Un-Answered Questions

What is wheel chamber in steam turbine?is it impulse blades are called wheel chamber in the steam turbine?

1908


why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

6487


Draw a flowchart to find the average of four number?

2769


uses of checklist

638


What will be weight of 0.5mm GI sheet per sq.ft?

11411






Toxin X is released only in mature spores of a single fungus and only when both alleles at a single locus are present. The toxin is never observed when the alleles are together in hyphae or modified hyphae. What division is the fungus found in?

781


What is 'mounting' of volumes ? Is there anything that a programmer can do in it ? How to find currently mounted volume ?

1000


write a program to display all prime numbers

660


How to make privision in SAP. (Please revert on the possibility of making this happen at PO Stage)

640


What is the Problem in Testing Antibiotic Sensitivity of Clumping Bacteria?

723


what is the filters in biztakk server? where it can use?

890


I have cleared written test and one Technical round in one company? now i have to face an Client Round through telephony? Any body have faced client round, how will it be , wil they ask technical or is it only formality round? im nervous, plz let me know wat all they may ask? i have this round on monday?

1528


why ac waveform repesented by using sine wave why not others?

236


What is Cell Bank Purity ?

814


• Which is the latest one?

764






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