As you are demanding for the HPCL Interview Questions provided below:

Here is HPCL Interview Questions

Selections from Interview 1:

Technical Interview:

The electromagnetic torque developed is proportional to what in a D.C series motor?
What is the mechanical power developed in terms of air gap power Pg in a 3 phase induction motor running at slip ‘s’?
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?
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

HR Interview:

Why do you want to join HPCL?
What is the reason behind your Low/high C.G.P.A
Questions on self-analysing yourself on your technical skills, soft skills etc.
Tell us about your family background, financial condition, interests, hobbies etc.

Interview 2

Technical interview:

What will you use to achieve high power amplification?
If you have to determine the stability of a control system using the time domain method, how will you do it?
Why do we not use inductance in lag network? Explain in detail.
Explain the method to keep noises low in a control system?

HR Interview:

Questions about Family Background
What is the reason for joining Maruti and not a technical firm
Do you have any acceptance issues with the bond
Why your CGPA is so low?