VVDN Technologies Junior Engineer Interview Questions, Process, and Tips

Q1. What is printed circuit board
Ans. 
A printed circuit board is a board made of non-conductive material with conductive pathways etched or printed onto it for connecting electronic components.
• Consists of non-conductive material

• Has conductive pathways for connecting electronic components

• Used in electronic devices like computers, smartphones, and TVs
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Q2. Printed circuit board three types
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Printed circuit boards can be classified into single-sided, double-sided, and multi-layered boards.
• Single-sided PCBs have components on only one side of the board.

• Double-sided PCBs have components on both sides of the board.

• Multi-layered PCBs have multiple layers of conductive material separated by insulating layers.

• Examples: Arduino Uno (single-sided), Raspberry Pi (double-sided), smartphones (multi-layered)
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Discussion (GD) is a comprehensive technique to judge the suitability of an individual and his appropriateness for admission, scholarship, job, etc

Round robin assignment means that each new lead is assigned to a different user until everyone has been assigned the same amount and the cycle repeats. For

Q1. Having special and usually practical knowledge especially of a mechanical or scientific subject. a technical consultant
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Q2. What was gd, what was assignment and what was technical
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Q1. 5S, ESD , PROCESS, Etc
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Q2. Main board falesing and debugging
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Q3. 5core, 4m ,3R ,7qc tool etc
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Q4. Ms Excel ,data entry
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Q1. How to testing Tx Rx balue
Ans. 
Testing Tx Rx value involves checking the transmission and reception of data between devices.
• Ensure proper connection and configuration of Tx and Rx ports

• Send test data from Tx and verify if it is received correctly by Rx

• Check for any errors or discrepancies in the transmitted and received data

• Use appropriate testing tools or equipment like loopback adapters or network analyzers

• Perform functional and performance testin
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Q2. How to conect with band WiFi
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To connect with band WiFi, you need to follow a few simple steps.
• Make sure your device supports the band frequency of the WiFi network

• Search for available WiFi networks and select the band WiFi network

• Enter the password if required

• If the network is hidden, manually add the network by entering the SSID and password

• If the connection fails, try resetting the router or contacting the network administrator
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Q1. Interview question were like What is your qualification What is your trade in engineering Some questions from releted trade like What is transister, capecitor, etc.
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Q2. Then hr round start They ask why they hire me How long i will work in their company How passionate i am for their work
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Q1. Self intoductiion
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Q2. Describe the skill set
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The skill set for a Junior Engineer typically includes knowledge of engineering principles, problem-solving abilities, technical proficiency, and communication skills.
• Knowledge of engineering principles such as mechanics, thermodynamics, and materials science

• Strong problem-solving abilities to identify and solve technical issues

• Technical proficiency in relevant software and tools, such as CAD programs or programming la...read more
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Q1. Asked me about SMT electronic parts.
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Q2. Check the documents.
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Q3. What is diploma passing year?
Ans. 
Diploma passing year refers to the year in which a candidate completed their diploma program.
• Diploma passing year is the year in which the candidate successfully completed all requirements for their diploma program.

• It is usually mentioned on the diploma certificate or transcript.

• Employers may ask for the diploma passing year to verify the candidate's qualifications and experience.
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Q4. What percentage is polytechnic diploma?
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Polytechnic diploma is typically considered equivalent to 10+2 or high school diploma, which is around 50-60% in most grading systems.
• Polytechnic diploma is generally considered equivalent to completing high school education.

• In most grading systems, a polytechnic diploma is equivalent to scoring around 50-60%.

• Some countries may have specific conversion scales for polytechnic diplomas to percentage grades.
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Q5. Value of Some SMT electronic parts are unit conversion.
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SMT electronic parts often have unit conversions for values like resistance, capacitance, and voltage.
• SMT electronic parts may have values in different units such as ohms, farads, and volts.

• Common unit conversions include converting microfarads to farads, kiloohms to ohms, and millivolts to volts.

• Understanding unit conversions is important for selecting the right components and troubleshooting circuits.
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About SMT electronic parts.