L.G.Balakrishnan & Bros R&D Engineer Interview Questions and Answers for Experienced

Q1. Process related questions ,.
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Q2. How to manage spares.
Ans. 
Spares management involves inventory control, procurement, and maintenance planning.
• Create a detailed inventory of all spares and their usage frequency.

• Establish a procurement process that ensures timely availability of spares.

• Implement a maintenance plan that includes regular inspection and replacement of spares.

• Use technology such as barcoding and RFID to track spares and prevent loss or theft.

• Regularly review and up...read more
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Q3. How to manage shift issue
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Shift issues can be managed by effective communication, proper scheduling, and providing necessary resources.
• Establish clear communication channels between team members and management

• Create a schedule that takes into account employee preferences and availability

• Ensure that all necessary resources are available for each shift

• Regularly review and adjust the schedule as needed

• Provide training and support for employees to ...read more
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Q1. What is your current role and responsibility
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Q1. Why you are leaving your current job
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Q1. Tell me about yourself.
Ans. 
I am an experienced Senior Engineer with a strong background in software development and project management.
• Over 10 years of experience in software development

• Proficient in multiple programming languages such as Java, C++, and Python

• Extensive knowledge of software development methodologies and best practices

• Proven track record of successfully leading and delivering complex projects

• Strong problem-solving and analytical ...read more
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Q1. 8D report with real example
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8D report is a problem-solving methodology used to identify, correct and prevent recurring problems.
• 8D stands for 8 Disciplines

• It involves a team-based approach to problem-solving

• The report includes a detailed description of the problem, root cause analysis, corrective actions, and preventive measures

• Example: A manufacturing company received customer complaints about a defect in their product. The team used the 8D repo...read more
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Q1. Technical questions related to Mechanical Engineering. Current job role and responsibilities
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Q1. Current job role and responsibilities.
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Q2. What is Tempering? Material science questions
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Q1. Interview with VP India.
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Q2. Questions on Combustion Engines. Difference between two-stroke and four-stroke. Current job role and responsibilities. How to design a snap.
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It was MCQ based test which involves basic Aptitude questions on the topics like data interpolation, permutation combination and also involved basic questions over Analog and digital electronics system, control system and communication system which usually we learn in 2nd year of the engineering

Q1. Capacitor behaviour in ac/dc circuit?
Ans. 
Capacitors store and release electrical energy in AC/DC circuits.
• Capacitors block DC current while allowing AC current to pass through

• Capacitors store energy in an electric field when connected to a DC circuit

• Capacitors release stored energy in the form of AC current when connected to an AC circuit
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Q2. Diode working principle and breakdown mechanism ?
Ans. 
A diode is a semiconductor device that allows current to flow in one direction only. Breakdown can occur due to excessive voltage or current.
• Diode allows current to flow in one direction due to its PN junction

• Breakdown can occur due to excessive voltage (avalanche breakdown) or excessive current (thermal breakdown)

• Zener diodes are designed to operate in breakdown region for voltage regulation
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Q3. What is thevnins theorem?
Ans. 
Thevenin's theorem states that any linear electrical network can be replaced by an equivalent circuit consisting of a single voltage source and a single series resistor.
• The theorem simplifies complex circuits into simpler equivalent circuits for analysis.

• It helps in determining the voltage and current across any component in the network.

• The equivalent Thevenin voltage is the open-circuit voltage at the terminals of the...read more
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Q4. Stabilloty analysis in control system?
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Stability analysis in control systems involves assessing the stability of a system's behavior over time.
• Stability analysis is crucial in ensuring that a control system operates predictably and reliably.

• Methods such as root locus, Bode plot, and Nyquist plot are commonly used for stability analysis.

• Stability criteria, such as the Nyquist stability criterion or Routh-Hurwitz criterion, are used to determine system stabil...read more
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Q5. Explain the project
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Q1. Tell me about your self
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