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Compel Consultancy Interview Questions and Answers

Updated 5 Feb 2024
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Q1. Tell me the types of solder paste used in smt

Ans.

Types of solder paste used in SMT include leaded, lead-free, water-soluble, no-clean, and low-temperature.

  • Leaded solder paste contains lead and is commonly used in electronics manufacturing.

  • Lead-free solder paste is environmentally friendly and complies with regulations such as RoHS.

  • Water-soluble solder paste can be easily cleaned with water after soldering.

  • No-clean solder paste leaves minimal residue after soldering and does not require cleaning.

  • Low-temperature solder paste ...read more

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Q2. Tell me the different types of issues in smt

Ans.

Different types of issues in SMT include solder joint defects, component misalignment, and insufficient solder paste.

  • Solder joint defects: such as cold solder joints, insufficient solder, or solder bridges

  • Component misalignment: components not placed correctly on the PCB

  • Insufficient solder paste: can lead to incomplete solder joints or poor connections

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Q3. Tell me the zones name of reflow oven

Ans.

The zones name of a reflow oven typically include preheat, soak, reflow, and cooling zones.

  • Preheat zone

  • Soak zone

  • Reflow zone

  • Cooling zone

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Q4. Tell me the process of smt

Ans.

SMT (Surface Mount Technology) is a process used in electronics manufacturing to mount electronic components directly onto the surface of a printed circuit board (PCB).

  • Components are placed onto the PCB using pick-and-place machines.

  • Solder paste is applied to the PCB pads before components are placed.

  • The PCB is then heated in a reflow oven to melt the solder and create a permanent connection.

  • SMT allows for smaller, lighter, and more efficient electronic devices.

  • Common compone...read more

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Discover Compel Consultancy interview dos and don'ts from real experiences

Q5. What are the role of esd

Ans.

ESD stands for Electrostatic Discharge. Its role is to prevent damage to electronic components.

  • Preventing damage to electronic components

  • Protecting sensitive equipment from electrostatic discharge

  • Implementing ESD control measures in manufacturing facilities

  • Training employees on ESD prevention techniques

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Q6. What is wi,Twi.

Ans.

Wi,Twi is a programming language used for statistical computing and graphics.

  • Wi,Twi is a dialect of the R programming language.

  • It is commonly used for data analysis, statistical modeling, and visualization.

  • Wi,Twi has a large number of packages available for various statistical tasks.

  • Some popular packages in Wi,Twi include ggplot2 for data visualization and dplyr for data manipulation.

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Q7. What is 7 qc tools

Ans.

7 QC tools are a set of basic statistical tools used for quality control and process improvement.

  • Check sheet: Used to collect and organize data in a structured format.

  • Histogram: Represents data distribution visually to identify patterns and trends.

  • Pareto chart: Helps prioritize issues by showing the most significant factors affecting quality.

  • Cause-and-effect diagram (Fishbone diagram): Identifies root causes of problems by categorizing potential causes.

  • Scatter diagram: Shows ...read more

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Q8. How to grow business

Ans.

To grow business, focus on customer satisfaction, innovation, marketing, and strategic partnerships.

  • Prioritize customer satisfaction to retain existing customers and attract new ones

  • Invest in innovation to stay ahead of competitors and offer unique products/services

  • Implement effective marketing strategies to increase brand awareness and reach new customers

  • Form strategic partnerships to expand reach and access new markets

  • Continuously analyze and adapt to market trends and cons...read more

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