e-con Systems Hardware Engineer Interview Questions and Answers

Q1. Job responsibility and basic domain questions
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Q2. Shift working and team handle
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Q3. Assembly line UPH , breakdown percentage
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Q4. Fire safety and training
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Q1. Relocation and CTC discussion
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B.tech

Q1. What is your hobby?
Ans. 
My hobby is playing the guitar and writing music.
• Playing the guitar helps me relax and express my creativity.

• I enjoy learning new songs and techniques to improve my skills.

• Writing music allows me to channel my emotions and thoughts into melodies and lyrics.
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Q1. What are quality tools to analyse any defects
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Some quality tools to analyze defects include Pareto analysis, Fishbone diagram, 5 Whys, Scatter diagram, and Control charts.
• Pareto analysis helps identify the most significant causes of defects by focusing on the vital few versus the trivial many.

• Fishbone diagram (Ishikawa diagram) helps visualize all possible causes of a problem to identify root causes.

• 5 Whys technique involves asking 'why' multiple times to get to t...read more
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Q2. Sound Knowledge about excel
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Q1. Tell me about your self
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Q1. Basic aptitude and technical questions
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Q1. Tell us about your Project
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Q2. Tell the difference between MOSFET and IGBT
Ans. 
MOSFET is faster and more efficient for high frequency applications, while IGBT is better for high voltage and high current applications.
• MOSFET stands for Metal-Oxide-Semiconductor Field-Effect Transistor, while IGBT stands for Insulated Gate Bipolar Transistor.

• MOSFET is faster and more efficient for high frequency applications, while IGBT is better for high voltage and high current applications.

• MOSFET has lower on-sta...read more
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Q3. Tell the principal of Sine wave inverter
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A sine wave inverter is a type of power inverter that produces a smooth and consistent AC output waveform similar to that of utility power.
• Sine wave inverters are preferred for sensitive electronics as they provide clean power without distortion.

• They are more efficient and produce less audible noise compared to modified sine wave inverters.

• Examples of devices that benefit from sine wave inverters include laptops, TVs,
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Q4. What is CMOS Latchup
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CMOS latchup is a phenomenon in integrated circuits where parasitic thyristors are inadvertently triggered, causing a short circuit.
• CMOS latchup occurs when a parasitic structure in the CMOS device acts as a thyristor, leading to a low-impedance path between the power supply rails.

• It can result in excessive current flow, potentially damaging the device.

• Preventive measures include layout techniques, guard rings, and pro...read more
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Q5. How to Design an inductor
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Designing an inductor involves determining the required inductance value, selecting the core material, calculating the number of turns, and designing the coil structure.
• Determine the required inductance value based on the application requirements.

• Select the appropriate core material based on factors such as frequency, current, and temperature.

• Calculate the number of turns using the formula N = sqrt((L * AL) / (Ae * Nt)...read more
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