Prepare your Resume very well as they will ask a lot from it, like from your projects, area of Interests etc., they covered electronics, OS, C Programming, Electrical, Control Systems Some Common questions they asked were : Difference between RISC and CISC What is PID or PI or PD(Difference and explanation) BJT vs. FET Clipper Clamper circuits muProcessor vs. muController Induction and DC Motors OPAMP and Amplifiers Semaphore vs Mutex Pointers DSA
Electrical and electronics based questions
How is your knowlege of TIA (photo diode amplifiers)
Do you prefer a technical or leadership role?
same cliche HR questions
There are 3 ants sitting on three corners of a triangle. All ants randomly pick a direction and start moving along edge of the triangle. What is the probability that any two ants collide?
What software have you used to program PLCs (programmable logic controllers)? I work with system protection and construction and modification of higher voltage equipment (480V-500kV) and this question was more based for their building automation (climate control/fire suppression) group of which my hiring manager was more familiar with. Take away, know your stuff going in. It may benefit you to research specific Siemens applications and have something to talk about.
3 general technical questions. The other questions were personality based.
How many years of experience in the role
Why do you want to join?
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