Sedemac Mechatronics Interview Questions, Process, and Tips for Experienced

1hr, C programming, pointer handling and bit manipulation, memory handling

Q1. Questions on approach of solving algo, functions, probability, 2nd quad equations etc.
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Take home coding test which was embedded application oriented. testing the code architecting and implementation skills.

Q1. SW Architecture thought process, review process, quality attributes knowhow, overall strengths and weakness etc.
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Q1. General discussion about the reasons for job change, expectation from new job, overall strengths and weakness, what interests you in the company
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Q1. Discussion with CEO: Company's growth ambition and presence in market. Company knowhow sharing. Overall top level briefing on the opportunities and areas of development.
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Q1. Basic knowledge of components testing soldering
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Q2. Previous experience
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They have a basic aptitude test for all employees irrespective of level. Junior level employees have a relatively easier test and their cutoff is 18/30, while mid-senior level employees have a relatively tougher test where cutoff is 21/30 (no negative marking). Subjects are Maths, Logical Reasoning & Verbal Ability. If you have prepared for MBA or any Bank/PO or govt exams, you can easily crack this test. Experienced ppl who have left academics long time back may need some practice to manage the time limit.

Q1. Since I was interviewing for a Recruitment (HR) related position, the questions were mostly regarding my past exp in this field and v few hardcore technical questions but more related to my exp in previous...read more
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Q1. 1. Family Background 2. Why you left last company etc 3. Salary details 4. Questions to check your ethics.
Ans. Be truthful. Be careful regarding an ethical question. Don't be oversmart.
Answered by Harsha Vardhan
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Q1. This round is basically just for formality. For me it was with the COO who was also heading HR at that point of time. For engineers this round will be taken by the CTO. For plant people COO only will take ...read more
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Q1. What is PCB and what is function of PCB components
Ans. 
PCB stands for Printed Circuit Board, it is a board made of non-conductive material on which electronic components are mounted and connected.
• PCB provides mechanical support to electronic components

• PCB provides electrical connections between components

• PCB helps in reducing the size of electronic devices

• Components on PCB include resistors, capacitors, diodes, transistors, etc.
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Q2. What is resister
Ans. 
A resistor is an electronic component that resists the flow of electrical current.
• Resistors are used to control the amount of current flowing in a circuit

• They are measured in ohms (Ω)

• Resistors can be fixed or variable, with variable resistors allowing for adjustable resistance

• Examples of resistors include carbon film resistors, metal film resistors, and wirewound resistors
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Q3. Function of capacitor
Ans. 
Capacitors store and release electrical energy in a circuit.
• Capacitors store energy in an electric field

• They can release this stored energy when needed

• Capacitors are commonly used in filters, timing circuits, and power conditioning

• Examples include smoothing out voltage fluctuations in power supplies
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Q4. Function of inductor
Ans. 
An inductor is a passive electronic component that stores energy in a magnetic field when current flows through it.
• Inductors resist changes in current flow

• They are commonly used in filters, oscillators, transformers, and power supplies

• Inductors are measured in Henry (H)

• They have the ability to store energy in the form of a magnetic field
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Q5. How you define capacitor polarity
Ans. 
Capacitor polarity refers to the orientation of the positive and negative terminals on a capacitor.
• Capacitors have a positive and negative terminal, with the positive terminal typically marked with a plus sign (+) or a longer lead

• It is important to observe the polarity when connecting capacitors in a circuit to prevent damage or malfunction

• Electrolytic capacitors are polarized, meaning they have a specific positive and...read more
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Q1. Logical puzzle or mathematical puzzles like prove divisibility rule of 3
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Q1. Discussion on Thesis project
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Pcyclogical, simple logical question

Q1. Functionality of SI/DI ENGINE, PHYSICS , ENGINE CONTROL UNIT, PHYSICS ETC.
Ans. 
The SI/DI engine is a type of internal combustion engine that uses spark ignition or direct injection for fuel combustion.
• SI/DI engine refers to the type of fuel injection system used in an internal combustion engine.

• Spark ignition (SI) engines use a spark plug to ignite the fuel-air mixture, while direct injection (DI) engines directly inject fuel into the combustion chamber.

• Physics plays a crucial role in understandi...read more
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