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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 11917

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

5 16620

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 42136

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

22 67998

campared to ac, in dc corona loss is

4 10263

Describe the control mechanism of missile launcher???

1645

what is the difference between thyristors and capacitors

2 9610

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

16 60934

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 4817

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

2 4428

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

4 8387

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

5 6689

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 5427

What is the difference between voltage and emf ?

3 6201

What is complex power?

1 3167

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Un-Answered Questions

What is meant by condition technique? Can we say it is the combination of condition types, access sequence and condition tables?

755


HOW CAN I APPLY PATCHES FOR BI 7.0 WITHOUT USER ID AND PASSWORD OF SAP?

1715


Why java is not 100% object oriented language?

610


What sort of information does the internet of things objects communicate?

1


hi,dis is Shasi.I'm searhing on cognos.1 want realtime scenarios with solutions.persons having hands on experience in real time plz help me out.and iwant one project with explanation please help me...

1812






When maximum discharge is obtained in nozzle ?

758


What is thermite mixture?

741


write code for inserting and updating recoards in sql server database using connected architecture & records shoulds displayed in grid view ( use c# )

2076


Explain throw statement in sql server 2008?

692


What is database definition (dbd)?

595


How much testing is enough?

766


Your project is progressing as planned. The project team has comp up with a demo that the sales team will use when making presentations to perspective clients. You will do which of the following at your next stakeholder process. A. Report on the progress of the demo and note that it's a completed task B. Preview the demo for stakeholders and obtain their approval and sign-off C. Review the technical documentation of the demo and obtain approval and sign-off D. Report that the demo has been noted as a completed task in the information retrieval system

730


2. Tell me about a time when you had to use your presentation skills to influence someone's opinion.

1692


What is a blob datatype?

558


What is the difference between first and firstordefault?

561