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HPCL Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?

1 3013

what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

1152

can you plz send l&t aptitude questions if available its urgent plz plz plz

1172

yesterday i am using my laptop by plugging power supply also battery was working properly after while i unplugged AC power source ,using my battery i played car game (use much power) after that the battery finished the charge and it closed my PC. after that my battery not charge (when unplug automatically PC will turn off)

1 1343

what is the different between surgearrester and lighting arrester

4 5218





Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

1660

Is RTCC panel needs any control supply.

976

What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

181

What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

186

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

208

What is the armature mmf in a D.C machine?

268

What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

178

The electromagnetic torque developed is proportional to what in a D.C series motor?

167

Explain the method to keep noises low in a control system?

172

Which motor will you choose which can operate in both lagging as well as leading power factors?

179

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HPCL Electrical Engineering Interview Questions


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(b) Describe how to safeguard a system through acquisition of an antivirus Program and systematic backup.

937


Describe what happens when an object is created in java ?

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How to create image slideshow in java swing?

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How many forms can you create in a Visual Basic 6 Standard EXE project? Is there any limit on that?

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Why to use nested classes in java? (Or) what is the purpose of nested class in java?

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How do I run javascript on my iphone?

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Which report is used to change the status of several object records at the same time?

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How can you declare a class in javascript?

114


How do I rejoin a split table in word?

47


Hi SD Gurus, Have you generated any customized Pricing Reports for your client? If you have done then list out all the customized Pricing Reports for your client? Please do not attach much importance to theory and do concentrate more on Business Scenario where in the client was insisting on customized reports rather than Standard Pricing reports? Give detailed Configuration& Customization Procedure, steps, Path, T-codes (if any), Analysis, logic & finally solution to your Client’s requirement along with detailed explanation? Please give solutions with reference to your real time data examples from your client/ Project? This question related to Pricing is most important as it is being asked more frequently in many Interviews? I have interview within 1-2 days? So, I request you to provide solutions to above question as early as possible? Your timely help would be greatly appreciated? Thanks in advance Regards

1125


In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

1765


Explain whether can we open up a browser using a windows adapter?

1


Which is the latest stable version of backbone.js and what is its released date?

1


How to reverse string in java?

142