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HPCL Interview Questions
Questions Answers Views Company eMail

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?

746

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

752

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

803

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

682

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

730

Explain different types of Normalization.

601

Write the queries for commands like Create Table, Delete table, Drop Table etc.

614

Share 2 high complexity and 2 low complexity test cases for a coke vending (ATM) machine.

639

Explain 3 high priority test cases for the performance of MSN search engine.

722

Which one has higher efficiency - Diesel Engine or Petrol Engine?

626

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

659

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

658

What is the converging and diverging passage in supersonic flow known as?

575

Which components are added to petrol in cold regions?

882

State the function of neck ring in centrifugal pump?

648

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HPCL Interview Questions


Un-Answered Questions

How do you trigger the paint event in system.drawing?

531


What language is node js written in?

240


What is the difference between form & report?

595


What are the phases of servlet life cycle?

611


How to use the processor state control feature available on the c4.8xlarge instance?

92






what audit procedure i can do in the share capital account of a company and why it have been apply?

3812


1. what is responsibility of inword & forward agent ? 2. how to control cash expenses give five step ? 3. what is Vat 3. how many type of depreciation

1574


How do I remove underline from text?

289


What is c language & why it is used?

586


What is DataGrid wheater its a Server Control or something else ?

605


What is sql query limit?

512


What the difference between “look-up” file and “look is up” in abinitio?

836


How does soap work?

513


Mention any moment in your previous work life where you faced criticism. How did you deal with the situation?

662


What are joins in sql and what are the different types of joins?

554