Tata Electronics Interview Questions, Process, and Tips

Explain about the call system

Q1. Project explanation
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Q2. Explained my contribution
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Q1. What is ladder logic programming language, and how is it utilized in the context of programmable logic controllers (PLC), specifically in relation to Start-Delta ladder logic?
Ans. 
Ladder logic is a graphical programming language for PLCs, used for industrial automation, including Start-Delta motor control.
• Ladder logic resembles electrical relay logic diagrams, making it intuitive for electricians.

• It consists of rungs that represent control logic, with vertical rails representing power supply.

• Start-Delta control is a method to reduce the starting current of large motors by initially connecting th...read more
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Q2. What are pneumatic valves, and how do they function within a pneumatic system? Please include a diagram.
Ans. 
Pneumatic valves control airflow in pneumatic systems, regulating pressure and directing movement of actuators.
• Pneumatic valves can be manually operated or automated.

• Common types include solenoid valves, directional control valves, and pressure relief valves.

• They are used in applications like robotics, manufacturing, and automation.

• Example: A 5/2 valve directs air to extend or retract a cylinder.
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Q3. What are MTTR, MTBF, and OEE, and can you provide examples of each?
Ans. 
MTTR, MTBF, and OEE are key metrics for measuring equipment performance and reliability in various industries.
• MTTR (Mean Time to Repair): Average time taken to repair a failed component. Example: If a machine takes 2 hours to fix on average, MTTR is 2 hours.

• MTBF (Mean Time Between Failures): Average time between failures of a system. Example: If a machine operates for 1000 hours before failing, MTBF is 1000 hours.

• OEE (...read more
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Q1. HR shared the about company and company requirements.
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Q2. Shared the information, which profile and skills they are recruiting.
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Q1. As I am working in manufacturing maintenance department, so they asked me questions related to my profile and the content I have mentioned in Resume.
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Q1. Salary Discussion
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