Hindusthan Chemical Company Quality Assurance & Quality Control Interview Questions and Answers

Q1. Brief about your self
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Q2. Your long term and short term goals
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Q3. Tell your achievements in last five years
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Q1. Knowledge about the DCS and interlock system
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Q2. Safety hazardous area classification
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Q3. Projects and analysis skill
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Q1. Salary discussion for the post.
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Q1. Explain about your current roles
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Q2. Detailed technical explanation of the Projects that I have worked with
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Q1. Pipe Sizing Calculation?
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Pipe sizing calculation involves determining the appropriate diameter of a pipe based on flow rate, pressure drop, and material properties.
• Calculate the required flow rate for the system

• Determine the pressure drop allowed in the system

• Consider the material properties of the pipe such as friction factor and roughness

• Use pipe sizing charts or formulas to find the appropriate diameter

• Ensure the selected pipe size meets th
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Q2. Corrosion allowance & some questions in ASME B31.3
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Q3. Reason for Job Change
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Basic aptitude question of gate and in technical go through gate 1 mark question

Q1. Reynold no. Details
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Q2. Shell and tube heat exchanger design
Ans. 
Shell and tube heat exchanger design involves selecting appropriate materials, determining tube layout, and calculating heat transfer coefficients.
• Select appropriate materials based on fluid properties and operating conditions

• Determine tube layout to optimize heat transfer efficiency

• Calculate heat transfer coefficients to ensure proper heat exchange

• Consider factors like fouling, pressure drop, and thermal expansion in ...read more
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