Privi Speciality Chemicals EHS Officer Interview Questions and Answers

Q1. Types of fire. Basic safety questions. Calculation of cooling tower.
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Q1. Basic question about previous experience
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Q1. Types of fire. Basic safety questions. Calculation of cooling tower.
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Q1. Basic question about previous experience
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Q1. Basic of chemistry
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Q2. Diffrent concentration solution Preparation
Ans. 
Different concentration solutions are prepared by diluting a stock solution with a solvent.
• Determine the desired concentration of the final solution

• Calculate the volume of stock solution needed using the formula C1V1 = C2V2

• Add solvent to the calculated volume of stock solution to reach the desired concentration

• Mix thoroughly to ensure uniform distribution of solute in the solution
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Q3. Instruments Handling and solved issue observed during Work
Ans. 
Handling and resolving issues with instruments used in QC work
• Regular calibration and maintenance of instruments

• Proper storage and handling to prevent damage

• Troubleshooting issues with instruments promptly

• Training staff on correct instrument usage

• Documenting any issues and solutions for future reference
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Q1. Why intresyed to joint this group?
Ans. 
I am interested in joining this group because of my passion for quality control and desire to contribute to a team-oriented environment.
• Passion for quality control

• Desire to contribute to a team-oriented environment

• Excited about the opportunity to learn and grow in this role
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Q2. Multi national Company
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Q1. Salary And experience Related Discussion
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General ability test maths reasonings

Q1. Core chemical engg test
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Q2. Pump cavitation reason how u can sloved that problem. Distillation plate design method
Ans. 
Pump cavitation can be caused by low pressure or high temperature. It can be solved by increasing pressure or reducing temperature.
• Pump cavitation occurs when the pressure in the pump drops below the vapor pressure of the liquid being pumped.

• This can be caused by low pressure or high temperature.

• To solve the problem, you can increase the pressure or reduce the temperature.

• Other solutions include increasing the size of ...read more
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Q3. Steam ejector working as pressure sensitivity
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Steam ejector works based on pressure sensitivity.
• Steam ejector uses high-pressure steam to create a vacuum by entraining and compressing low-pressure gas or vapor.

• The pressure difference between the high-pressure steam and low-pressure gas or vapor causes the gas or vapor to be drawn into the ejector.

• The steam ejector is commonly used in refrigeration, distillation, and vacuum systems.

• The efficiency of the steam eject...read more
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Q1. Being a mechanical Engineer you should aware about the basic of fluid mechanics Heat transfer and little bit strength of materials subjects was more weightage in the technical interview.
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Q2. How to design equipment?
Ans. 
Equipment design involves identifying user needs, creating prototypes, testing, and refining the design.
• Identify user needs and requirements

• Create prototypes and test them thoroughly

• Refine the design based on feedback and testing

• Consider safety, ergonomics, and usability

• Use appropriate materials and manufacturing processes

• Ensure compliance with relevant regulations and standards
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Q3. What was centrifugal pump and difference between pump and compressor?
Ans. 
A centrifugal pump is a mechanical device used to transport fluids by converting rotational kinetic energy to hydrodynamic energy.
• Centrifugal pumps are commonly used in industries such as oil and gas, chemical, and water treatment.

• They work by using an impeller to create a low-pressure area at the center of the pump, which draws in fluid and then expels it at high pressure through the outlet.

• Pumps are used to transport...read more
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Q4. What was NPSH? Types of pumps..
Ans. 
NPSH stands for Net Positive Suction Head. It is a measure of the pressure available at the suction side of a pump to prevent cavitation.
• NPSH is important in pump selection and operation.

• It is the difference between the total suction head and the vapor pressure of the pumped fluid.

• Insufficient NPSH can lead to cavitation, which can damage the pump and reduce its efficiency.

• Different types of pumps have different NPSH r...read more
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