Sedemac Mechatronics Interview Questions, Process, and Tips

Math and reasoning..

Q1. Resistance unit
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Q2. Describe the ohm law
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Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.
• Ohm's Law is represented by the formula I = V/R, where I is the current in amperes, V is the voltage in volts, and R is the resistance in ohms.

• It helps in calculating the current, voltage, or resistance in a circuit when the other two valu...read more
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Q1. What is PCB and what is function of PCB components
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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
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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
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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
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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
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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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Basic aptitude tests. Beginner firendly.

Q1. Tell me about yourself
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Q2. Explain any one project of your choice in detail.
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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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General Apptitude test 30 mins duration

Q1. CAD Modelling 2d drawings related questions
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Q1. Attitude check related questions
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