I B Automation Controls Interview Questions and Answers

Q1. What are active power and reactive power in an electrical system?
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Q2. What are the different types of temperature sensors, and what do RTD and PT100 mean?
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Q3. What is your understanding of Building Management Systems (BMS), and how do they function?
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Q4. What is forward and backward flow in PID control system?
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Q5. Tell me about your self and experience
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Q6. What is your family background? What is your father do?
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Q7. Why you want to change your job?
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Q8. What are Modbus and BACnet in the context of a Building Management System (BMS)?
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Q1. What are the symbols used in Geometric Dimensioning and Tolerancing (GD&T)?
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Q2. What is the explanation of your project?
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Q1. What is circuit breakers
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Q2. What is difference contractor or relay
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Q3. What is difference neutral or earthing
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Q4. What is star or delta
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Q5. What is use contractor
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Q1. Pump and it's types it's API and design
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Pumps are devices used to move fluids through a system. There are various types of pumps such as centrifugal, positive displacement, and reciprocating pumps.
• Types of pumps include centrifugal, positive displacement, and reciprocating pumps

• API standards for pumps include API 610 for centrifugal pumps and API 674 for reciprocating pumps

• Pump design considerations include flow rate, pressure, material compatibility, and ef
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Q2. Storage tank design, API and types of ST
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Storage tank design involves following API standards and various types of storage tanks.
• API standards such as API 650 for welded steel tanks and API 620 for large, field-erected tanks

• Types of storage tanks include atmospheric storage tanks, pressure storage tanks, and refrigerated storage tanks

• Design considerations include material selection, tank size, pressure requirements, and safety features
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Q3. Types of Stainer
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Types of strainers include Y-strainers, basket strainers, duplex strainers, and temporary cone strainers.
• Y-strainers are used for applications with low flow rates and are easy to clean.

• Basket strainers are commonly used in pipelines to remove larger particles.

• Duplex strainers have two separate strainer baskets for continuous operation.

• Temporary cone strainers are used during commissioning or maintenance to prevent debr
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Q4. CIP process
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Q5. Equipment hygiene?
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Q6. PSV and PRV design
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Q7. Use of Dimension less number
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Dimensionless numbers are used in engineering to simplify equations and compare different systems.
• Dimensionless numbers help in scaling and comparing physical phenomena without the need for specific units.

• Examples include Reynolds number in fluid mechanics, Mach number in aerodynamics, and Peclet number in heat transfer.

• They provide insight into the dominant forces or mechanisms in a system.

• Dimensionless numbers are us...read more
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Q8. Line Sizing procedure
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Line sizing procedure involves determining the appropriate diameter of pipes for a given flow rate and pressure drop.
• Calculate the required flow rate and pressure drop for the system

• Use fluid properties and pipe material to determine the appropriate pipe size

• Consider factors such as velocity, friction loss, and future expansion

• Ensure the selected pipe size meets safety and regulatory requirements

• Common methods include ...read more
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Q9. Heat exchanger design
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Heat exchanger design involves selecting the appropriate type, size, and materials to efficiently transfer heat between two fluids.
• Consider the type of heat exchanger needed (e.g. shell and tube, plate heat exchanger)

• Calculate the required heat transfer area based on heat load and temperature difference

• Select materials compatible with the fluids and operating conditions

• Optimize flow rates to maximize heat transfer effi
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Q10. Software handling, HTRI, Aspen
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Q1. Willing to travel abroad
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Yes, I am willing to travel abroad for work.
• I am open to new experiences and cultures

• I understand the importance of global collaboration in engineering projects

• I have previous experience traveling for work or education

• I am willing to adapt to different working environments and challenges
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Q2. Why you left your previous job
Ans. 
Seeking new challenges and opportunities for growth
• Desire for career advancement

• Looking for new challenges

• Opportunity for professional growth

• Seeking better work-life balance
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Q1. Write a program to run a single push button functionality.
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Q2. What are some key aspects of communication protocols?
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Q1. Resume and project based + basic questions
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Q1. Tech round with director of mobile engineering
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Q1. Basic questions about resume and projects
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Q1. Resume based and personality based
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Two coding questions of easy to moderate difficulty level, focusing on arrays and strings.

Q1. What is the Quick Sort algorithm?
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Q2. What is the merge sort algorithm and what is its time complexity?
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3 coding questions were given and all should have to be passed for the next round

Q1. It was based purely on resume
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Q2. No hr. Only technical round
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