V S International Executive Interview Questions and Answers

Q1. What are the equipments handled that qualification related and operations related.
Ans. 
Handling qualification and operations equipment is crucial for ensuring compliance and efficiency in various industries.
• Calibration equipment: Used to ensure accuracy of measuring instruments, e.g., pressure gauges.

• Testing devices: Employed for quality assurance, such as tensile testing machines in manufacturing.

• Safety equipment: Includes personal protective equipment (PPE) like gloves and helmets in construction.

• Produ...read more
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Q2. Trouble shooting of the equipments you handled
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I have experience troubleshooting various equipment by identifying issues, analyzing root causes, and implementing solutions.
• Identifying common issues with the equipment

• Analyzing root causes of malfunctions

• Implementing solutions to resolve problems

• Regular maintenance to prevent future issues
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Q3. Salary package discussion
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Q1. HPLC chromatography
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Q2. Gas chromatography
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Q1. What is pH meter , How to calibrate pH meter
Ans. 
A pH meter is a scientific instrument used to measure the acidity or alkalinity of a substance. Calibration ensures accurate readings.
• pH meter measures the concentration of hydrogen ions in a solution

• Calibration involves adjusting the pH meter to known standard solutions

• Regular calibration ensures accurate readings over time
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Q2. Explain the parts of HPLC
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HPLC stands for High Performance Liquid Chromatography, which consists of a pump, injector, column, detector, and integrator.
• HPLC involves a pump to push the liquid solvent through the system.

• It includes an injector to introduce the sample into the mobile phase.

• The column separates the components of the sample based on their interactions with the stationary phase.

• A detector measures the amount of analyte in the eluent.

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Q1. What are the buffer used in HPLC
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Buffers commonly used in HPLC include phosphate buffers, acetate buffers, and citrate buffers.
• Phosphate buffers are commonly used in HPLC for separating acidic compounds.

• Acetate buffers are used for separating basic compounds.

• Citrate buffers are used for separating metal ions.

• Other common buffers used in HPLC include ammonium acetate and ammonium formate.
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Q2. How to calibrate HPLC
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HPLC calibration involves adjusting parameters to ensure accurate and reliable results.
• Prepare standard solutions of known concentrations

• Run the standard solutions through the HPLC system

• Compare the results to expected values and adjust parameters as needed

• Repeat the process until accurate and consistent results are obtained
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Q1. Question regarding your profile and current job responsibilities
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Q1. Automatic visual inspection machine principles
Ans. 
Automatic visual inspection machines use computer vision technology to detect defects in products.
• AVI machines use cameras and software to analyze products for defects

• They can detect defects such as scratches, dents, and discoloration

• AVI machines are commonly used in industries such as manufacturing and packaging

• They can improve quality control and reduce the need for manual inspection
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Q2. Visual inspection particle preparation and POD calculation
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How Mane Experience

Q1. Which is RF Volue and what is TLC
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Q2. Tin layer chromatography Product trafared distence/Mobile phase Trafared distence
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Q3. Purification and recrestlation
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Q1. Chemical Name and formula
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Chemical name and formula are identifiers for specific chemical compounds.
• Chemical name is the common name given to a chemical compound.

• Chemical formula represents the elements and their ratios in a compound.

• Example: Water - Chemical name, H2O - Chemical formula.
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Q2. How to make 0.1M HCL
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To make 0.1M HCL, dilute concentrated hydrochloric acid with water.
• Dilute 1 part of concentrated HCL with 9 parts of water to make 0.1M HCL solution.

• Always add acid to water slowly to prevent splashing and heat generation.

• Use proper protective equipment such as gloves and goggles when handling acids.
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