TVS Sundram Fasteners NAP Engineer Interview Questions and Answers

Q1. What are your strengths and weakness
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Q1. Write and explain GD&T symbols?
Ans. 
GD&T symbols are used to specify the geometric requirements of a part or assembly.
• GD&T stands for Geometric Dimensioning and Tolerancing

• Symbols include: flatness, circularity, perpendicularity, concentricity, position, and more

• Each symbol has a specific meaning and is used to communicate precise engineering requirements

• GD&T is used in industries such as aerospace, automotive, and manufacturing

• Example: A position symbol...read more
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Q2. Explain Cp, Cpk & Pp, Ppk?
Ans. 
Cp, Cpk, Pp, and Ppk are statistical process control indices used to measure process capability and performance.
• Cp and Cpk measure how well a process meets its specifications, with Cpk being more accurate for non-centered processes.

• Pp and Ppk measure how well a process performs relative to its natural variation, with Ppk being more accurate for non-centered processes.

• All four indices are calculated using the process me...read more
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Q1. Related to GD&T, CNC programming knowledge, SPC, Fixture design and development, Tool design and development.
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Casting should be thorough

Aluminium die Casting

What are the projects done by you in your current company

Q1. Where are you living?
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Q2. Why are you leaving your last company?
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Q1. Circuit diagram of relay holding.
Ans. 
A relay holding circuit diagram is used to keep the relay in the energized state even after the control signal is removed.
• The circuit typically includes a holding contact that maintains the relay coil energized.

• A latching relay can also be used for holding without continuous power supply.

• Examples: ladder logic diagram with a holding contact, latching relay circuit diagram.
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Q2. What is PNP and NPN
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PNP and NPN are types of bipolar junction transistors commonly used in electronic circuits.
• PNP transistor has a layer of N-type semiconductor between two layers of P-type semiconductor, while NPN transistor has a layer of P-type semiconductor between two layers of N-type semiconductor.

• In a PNP transistor, current flows from the emitter to the base and then to the collector, while in an NPN transistor, current flows fro...read more
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Q3. How many type of sensor?
Ans. 
There are various types of sensors used for different purposes.
• Temperature sensors (e.g. thermocouples, thermistors)

• Pressure sensors (e.g. piezoelectric sensors)

• Motion sensors (e.g. accelerometers, gyroscopes)

• Proximity sensors (e.g. ultrasonic sensors)

• Light sensors (e.g. photodiodes, phototransistors)
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Q4. What is PLC and full form?
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PLC stands for Programmable Logic Controller, which is a digital computer used for automation of electromechanical processes.
• PLC is used to control machinery in manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability control.

• It is programmed using a specialized computer language, typically ladder logic or function block diagram.

• PLCs are commonly used in industrie...read more
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Q1. Line Balancing questions
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Q2. TQM,lean manufacturing
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Q1. Difference between controller and processor
Ans. 
A controller is a device that manages the flow of data between the computer and external devices, while a processor is the central processing unit that performs calculations and executes instructions.
• Controller manages data flow between computer and external devices

• Processor performs calculations and executes instructions

• Examples: A USB controller manages data flow between a computer and a USB device, while a CPU is a
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Q2. How to do requirement elicitation
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Requirement elicitation is the process of gathering, analyzing, and defining the needs and constraints of a system.
• Identify stakeholders and involve them in the process

• Use various techniques such as interviews, surveys, observations, and workshops

• Document requirements clearly and prioritize them based on importance

• Validate requirements with stakeholders to ensure accuracy
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Q3. Do u know about ASPICE
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Q4. What are ASIL levels
Ans. 
ASIL levels are used in automotive functional safety to classify the risk associated with potential hazards.
• ASIL stands for Automotive Safety Integrity Level

• There are four ASIL levels - A, B, C, and D

• ASIL D represents the highest level of risk and requires the most stringent safety measures

• ASIL levels are determined based on the severity of potential hazards and the probability of exposure
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Q5. Do u have knowledge on cyber security
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