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NTPC Interview Questions
Questions Answers Views Company eMail

What is the output of 25 kva 11/.4 kv transformer in kw ? Plz generalized it...

 3 7525

Why can not you store AC power in battery like DC power?

 1 4697

How to calculate the copper in HT motors if KW, RPM & Voltage is given

 2589

I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

 3 4571

if one potential missing in energy meter , how much % slow the energy meter?

 1 4723

Factor of safety for steel should be based on its yield stress or its ultimate stress and factor of safety for concrete should be based on its ultimate stress or its yield stress?

 2 16239

What is the knee point voltage of CT-100/5,15VA,5P20 ?

 3 6098

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

 5 7942

What's the differs between voltage & current & emf.

 1 3521

why the transformer has no starter

 2 8324

what is the significant for using two types of voltage(line voltage & phase voltage)

 1 2934

in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

 1 4144

How to calibrate radar lt type transmitter

 1 6461

if single phase is having 220v supply then why three phase is having 440v instead of 660v?

 4 7047

Why boiler chimney area  oxyden sensor fixing? 

 2042

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Un-Answered Questions

How can I find out how much free space is available on disk?

622

Could you anyone share me the path to download the automation tools which are having trial license version?

1687

What are beans in java spring?

172

What is shell chemistry?

534

Give the use of exception object.

493




Difference between character constant and string constant in java ?

554

What is the advantage of runtime polymorphism?

505

What is dba software?

290

What is the difference between execution of triggers and stored procedures?

548

Can I download just excel?

311

Explain mps stands for?

467

What is meant by deadlock in db2?

636

How many component controllers can a web dynpro component have?

100

Do you know what's the difference between __sleep and __wakeup?

528

plants release O2 only during daytime but respire 24 hrs giving out CO2 but are said to purify air? How?

1631