Praxair Instrumentation Technician Interview Questions and Answers

Test your english knowledge and technology you knew for comoany requirement.

Q1. Not much detail but just overview of process any achievement and one task discussion.
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Q2. How long did i worked for technology? Major involvement in what types of job during tyrn around.
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Q1. Not much question just looking to your experienced decide package.
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Q1. What testings fo you perform?
Ans. 
I perform a variety of tests including diagnostic tests, troubleshooting tests, performance tests, and quality assurance tests.
• Diagnostic tests to identify issues or problems

• Troubleshooting tests to pinpoint the cause of malfunctions

• Performance tests to evaluate the functionality of systems or equipment

• Quality assurance tests to ensure products meet standards
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Q2. Explain your work.
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Q3. How do you perform adhesion test?
Ans. 
Adhesion test is performed by applying a specific force to determine the strength of adhesion between two materials.
• Prepare the surfaces to be tested by cleaning and ensuring they are dry

• Apply a specific force to the surfaces, such as using a pull-off tester for coatings

• Measure the force required to separate the materials to determine adhesion strength

• Repeat the test multiple times for accuracy

• Record and analyze the re
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Q4. Why you want to leave your previous company?
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Q5. What are the raw materials that goes into the paint?
Ans. 
Raw materials for paint include pigments, binders, solvents, and additives.
• Pigments: Provide color and opacity to the paint (e.g. titanium dioxide, iron oxide)

• Binders: Holds the pigment particles together and adhere them to the surface (e.g. acrylic, alkyd)

• Solvents: Help in the application and drying of the paint (e.g. water, mineral spirits)

• Additives: Enhance properties like durability, flow, and drying time (e.g. ant
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Q1. Electrician maintenance
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Q2. Electrical equipment
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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. Azure, C#,Angular ,Aptitude
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Q1. Solid principles, OOPS ,Data analytics, virtualization
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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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Q1. Lots of technical questions
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Q2. How many points need inspection
Ans. 
The number of points that need inspection varies depending on the specific context and requirements.
• The number of points needing inspection can be determined by the scope of the analysis or evaluation.

• Factors such as the size of the dataset, complexity of the data, and specific objectives of the analysis can influence the number of points to inspect.

• For example, in a quality control process, a certain percentage of pro...read more
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Q3. Is tml important for maintenance
Ans. 
Yes, Total Maintenance Loss (TML) is important for maintenance as it helps in identifying critical equipment and prioritizing maintenance activities.
• TML is a key performance indicator used to measure the overall maintenance effectiveness of a system or equipment.

• It helps in identifying equipment that is causing the most downtime or losses in production.

• By analyzing TML, maintenance teams can prioritize their efforts on...read more
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