Waters Corporation Field Service Engineer Interview Questions and Answers

Q1. Describe about yourself?
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Written test on technical questions

Senior engineer people ask clarification and queries, problem solving skill analysis.

Q1. Final round with Regional manager for acceptance and placement of area
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Q1. What instruments are you knowledgeable about that are used in the chemical and healthcare industries?
Ans. 
I am knowledgeable about instruments such as spectrophotometers, chromatographs, and mass spectrometers used in chemical and healthcare industries.
• Spectrophotometers

• Chromatographs

• Mass spectrometers
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Q2. Could you provide an explanation of the application for each instrument you have mentioned?
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I can provide explanations for the applications of each instrument mentioned.
• Ultrasound machine - used for imaging internal organs and tissues in the body

• X-ray machine - used for imaging bones and detecting fractures

• MRI machine - used for detailed imaging of soft tissues like the brain and spinal cord

• ECG machine - used for recording the electrical activity of the heart

• Blood pressure monitor - used for measuring a perso
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Q1. Basic topics of plsql
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Q2. One query to fetch max n min of salary from emp table
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Use SQL query to fetch maximum and minimum salary from emp table
• Use SELECT MAX(salary) FROM emp to fetch maximum salary

• Use SELECT MIN(salary) FROM emp to fetch minimum salary
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Q1. Performance tuning
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Q2. Indexes and exceptions used
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Indexes and exceptions are used to optimize database performance and handle errors in code.
• Indexes are used to quickly retrieve data from a database by creating a sorted list of values.

• Exceptions are used to handle errors in code and prevent the program from crashing.

• Examples: Creating indexes on frequently queried columns like 'id' or 'timestamp'. Using try-catch blocks to handle exceptions like divide by zero.
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Q1. About your knowledge and your past experiences.
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Q1. Service experience
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Q1. Load cell related
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Q1. Salary related quotation
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It was very easy basic qns

Q1. Why would you like to work for this company
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Q1. Tell me Your self
Ans. 
I am a dedicated Maintenance Engineer with a strong background in mechanical and electrical systems.
• Experienced in troubleshooting and repairing equipment

• Skilled in preventive maintenance tasks

• Familiar with PLC programming and automation systems

• Certified in safety protocols and regulations
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Q2. Sallary
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Q1. Maintenance of equipment
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Q2. Operations
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