Praxair Senior Engineer Interview Questions and Answers for Experienced

Q1. Difference between list and tuple
Ans. 
List is mutable, tuple is immutable in Python.
• List can be modified, tuple cannot be modified

• List uses square brackets [], tuple uses parentheses ()

• List is used for collections of items that may change, tuple is used for fixed collections
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It will be of Medium difficulty

It's is consists of easy questions

Q1. 25 mins on coding 15 mins on aptitude 10 mins on communication
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Q1. Azure, C#,Angular ,Aptitude
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Q1. Solid principles, OOPS ,Data analytics, virtualization
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It was straightforward

Q1. Was easy explaining about role
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Q2. Previous experience. How to handle the role and expectation. Work schedule. Explain about the team
Ans. 
The candidate should discuss their previous experience, how they handle their role and expectations, their work schedule, and provide an explanation about their previous team.
• Discuss previous experience in software engineering roles

• Explain how you handled your role and met expectations in previous positions

• Describe your typical work schedule and any flexibility you have

• Provide an overview of your previous team, their s
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Q1. Asking about back ground and also CTC structure also expected salary
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Q2. Telling about back ground details previous employer and expectations
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Q3. All salery related asking its proof
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Q4. Giving bank statement
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Q1. Asking related about utility section and Sap .. also asking about technical questions also asking root cost
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Q2. Telling about utility and sap
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Q1. Asking about All process details knowledge and my experience
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Q2. Telling him all process about utility and mechanical knowledge
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Q3. How to check mechanical seal oky
Ans. 
To check mechanical seal, perform visual inspection, pressure test, and leakage test.
• Perform visual inspection to check for any visible damage or wear on the seal

• Conduct a pressure test to ensure the seal can withstand the required pressure

• Perform a leakage test to check if the seal is properly sealing the joint

• Check the temperature of the seal to ensure it is within the specified range

• Check the lubrication of the seal
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Q4. By calculate runout of shaft
Ans. 
Runout of a shaft can be calculated by measuring the amount of deviation from a true circular path.
• Use a dial indicator to measure the deviation of the shaft from a true circular path

• Rotate the shaft and take readings at various points to get an accurate measurement

• Calculate the average deviation to determine the runout of the shaft

• Runout can be caused by various factors such as misalignment, bent shaft, or worn bearin
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Q5. Utility load how to calculate
Ans. 
Utility load is calculated by determining the total power consumption of all devices connected to the utility grid.
• Determine the power consumption of each device connected to the grid

• Add up the total power consumption of all devices

• Consider the time of day and season to account for varying energy demands

• Factor in any renewable energy sources or backup generators

• Use software tools to automate the calculation process
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Q6. Telling about technical solutions
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Q1. Are you okay with doing routine jobs
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Q2. Tell me more about yourself
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Q1. 1) Introduce yourself 2) Basic technical questions 3) Why choose Dow 4) Where you see yourself after 5 years 5) Basic fundamental and Logical quetions
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Q1. General aptitude, instrumentation questions
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3 different topics-food and culture pros and cons

Q1. About flowmwters
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