National Organic Chemical Industries Production Supervisor Interview Questions and Answers

Q1. My strength, ability to handle shift production wose
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Q1. How many types of valves.?
Ans. 
There are various types of valves used in different industries for controlling the flow of fluids or gases.
• Gate valve

• Ball valve

• Butterfly valve

• Check valve

• Globe valve

• Diaphragm valve

• Plug valve

• Needle valve

• Pressure relief valve

• Safety valve
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Q2. What is the Pressure units.?
Ans. 
Pressure units are used to measure the force exerted on a surface per unit area.
• Pressure is typically measured in units such as pascal (Pa), bar, psi, or atmosphere (atm).

• 1 pascal (Pa) is equal to 1 newton per square meter (N/m²).

• 1 bar is approximately equal to atmospheric pressure at sea level (1 atm).

• 1 psi (pound per square inch) is equal to approximately 6895 pascals (Pa).
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Q3. What is the fire trangle.? And diamonds.?
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The fire triangle is a model that explains the three elements required for a fire to start and continue. Diamonds are a form of carbon that is highly valued for their beauty and durability.
• The fire triangle consists of three elements: fuel, heat, and oxygen.

• If any of these elements are removed, the fire will be extinguished.

• Diamonds are formed deep within the Earth's mantle and are brought to the surface through volcan...read more
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Q4. Fire trangle 1)Oxygen 2)heat 3)fuel Diamonds 1)red 2)yellow 3)white 4)blue
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Q5. What is the Bernoulli equation.?
Ans. 
The Bernoulli equation relates the pressure, velocity, and elevation of a fluid in a streamline.
• The Bernoulli equation is a fundamental equation in fluid dynamics.

• It states that the total energy of a fluid remains constant along a streamline.

• The equation relates the pressure, velocity, and elevation of the fluid.

• It is derived from the principle of conservation of energy.

• The equation is commonly used in various applicat...read more
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Q6. How many type unit operation & unit process
Ans. 
There are numerous types of unit operations and unit processes in production.
• Unit operations involve physical changes to materials, such as mixing, filtration, and distillation.

• Unit processes involve chemical changes, such as oxidation, reduction, and hydrolysis.

• Examples of unit operations include crushing, grinding, and drying.

• Examples of unit processes include fermentation, polymerization, and chlorination.
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Q7. Unit operation 1)Distillation 2)filtration 3)drying 4)extraction 5)crystallisation Unit process 1)oxidation 2)reduction 3)Alkylation 4)chlorination
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General aptitude test

Q1. What is ISO and explain
Ans. 
ISO stands for International Organization for Standardization. It is a set of standards that ensure products and services are safe, reliable, and of good quality.
• ISO develops and publishes international standards to ensure quality, safety, and efficiency in products and services.

• ISO standards cover a wide range of industries including technology, healthcare, food safety, and environmental management.

• Examples of ISO sta...read more
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Q2. Kaizen and 5s explain
Ans. 
Kaizen and 5s are continuous improvement methodologies used in production to enhance efficiency and quality.
• Kaizen is a Japanese term meaning 'continuous improvement' and focuses on making small, incremental changes to processes to improve efficiency and quality.

• 5s is a methodology focused on organizing the workplace to improve efficiency and eliminate waste. The 5s stand for Sort, Set in order, Shine, Standardize, and...read more
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Q3. Any naming reaction
Ans. 
The Grignard reaction is a commonly used naming reaction in organic chemistry.
• Involves the reaction of an organomagnesium halide with a carbonyl compound to form a new carbon-carbon bond

• Named after French chemist Victor Grignard

• Commonly used in the synthesis of alcohols, carboxylic acids, and ketones
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Q1. Cooling tower calculation
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Q2. Safety of plant and solvent
Ans. 
Ensuring the safety of the plant and solvent is crucial for the overall operation and well-being of the production process.
• Regular maintenance and inspections of the plant equipment to identify any potential safety hazards.

• Implementing proper safety protocols and procedures for handling solvents to prevent accidents.

• Providing training to employees on safe handling of solvents and emergency response procedures.

• Using app...read more
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Q1. Job for Berger paint company
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Q2. 2 years experience
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Q1. Production department, Production Chamistra , Quantity Control Analysis
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Q2. Job in Paint Industry
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Q1. How to create vacuum in column
Ans. 
Vacuum in a column can be created by using a vacuum pump to remove air and other gases from the column.
• Use a vacuum pump to remove air and other gases from the column

• Ensure all connections are airtight to maintain the vacuum

• Monitor the vacuum level regularly to ensure it is maintained

• Adjust the vacuum pump settings as needed to achieve the desired vacuum level
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Q2. How steam ejector work
Ans. 
Steam ejectors work by using high-pressure steam to create a vacuum for removing gases or vapors from a system.
• Steam is expanded through a nozzle to increase its velocity

• The high-velocity steam entrains the gases or vapors to be removed

• The mixture of steam and gases is then condensed and separated in a diffuser

• The condensed steam is usually discharged to a condenser or a drain
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Q1. What is your sallery expectation and family background
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Q1. About salary confidential
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