UNO Minda R&D Engineer Interview Questions and Answers

Q1. What is the relay
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically operate a switch.
• Relays are used to control high power circuits with low power signals

• They are commonly used in automotive, industrial, and household applications

• Relays can be classified based on their operation, such as electromechanical relays or solid-state relays
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Q2. Ohm's law and current
Ans. 
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, given constant resistance.
• Ohm's law equation: V = I * R (voltage = current * resistance)

• Current is the flow of electric charge through a conductor

• Higher voltage leads to higher current flow, given constant resistance

• Lower resistance leads to higher current flow, given constant voltage
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Q1. Explain various GD&T
Ans. 
Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of features on a part.

• It uses symbols, such as concentricity, flatness, and perpendicularity, to communicate the desired tolerances.

• GD&T helps ensure that parts fit together properly and function as intended.

• Examples of GD&T symbo...read more
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Q2. Explain DFM, DFS, DFA
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DFM, DFS, and DFA stand for Design for Manufacturing, Design for Service, and Design for Assembly, respectively.
• DFM focuses on designing products that are easy and cost-effective to manufacture.

• DFS focuses on designing products that are easy to service and maintain.

• DFA focuses on designing products that are easy to assemble.

• Consideration of DFM, DFS, and DFA principles can lead to more efficient and cost-effective prod...read more
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Tough one to attempt

Q1. Asked questions related to few mechanical engineering topics
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Q1. What is semaphore,mutex, all about rtos questions and implementations? what is little endian, write a program to know system is of which endian? what is static,volatile, how did you used in your program? ...read more
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Q2. Questions on rtos projects
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Q3. Structure and struct pointers
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Q4. Arrays and pointers usage with arrays
Ans. 
Arrays are used to store multiple values of the same data type. Pointers are used to store memory addresses of variables.
• Arrays are accessed using index notation, e.g. array[0]

• Pointers can be used to access array elements, e.g. *(array+0)

• Arrays can decay into pointers when passed to functions

• Pointers can be used to dynamically allocate memory for arrays
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Q5. Function pointers and call backs
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Q6. C fundamentals, bit manipulation
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Q1. About project experience
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Q2. Clear view on your work experience
Ans. 
I have extensive work experience in research engineering.
• Worked as a research engineer for 5 years at XYZ Company

• Led a team of engineers in developing innovative solutions for complex problems

• Published several research papers in reputable journals

• Collaborated with cross-functional teams to design and implement cutting-edge technologies

• Utilized advanced analytical tools and techniques to analyze data and draw meaningful
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Q3. Roles and responsibilities
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Written test related to casting and plastic

Q1. Related to experience
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Q1. Expectation and why you want tomove
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Technical,aptitude, case study other related test

Simply convey thoughts about the topic given

Q1. Questions related to Tyre compounding and testing
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Q2. Describe Previous job responsibilities, experience and work culture ?
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Q3. Tell us about future goals ?
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Q1. About project work and personal details
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Q1. Supplier handling way
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Q2. Follow up the supplier
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