Yasho Industries Limited Production Operator Interview Questions and Answers

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
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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
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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. They asked,asking about myself and experience related questions, current company working experience relevant questions, behave like friendly manner
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Q1. They ask past company experience relevant questions What was the product manufacturing in that company How to you manage manpower and problem solving Is there any special product available in past company ...read more
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Q2. What was the machine use in your past company
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Q3. Ask basic information and about the candidate self introduction
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Checked common sense by testing PnC skills and english.

Group discussion about working together with multiple people.

Q1. Cooling tower calculation
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Q2. Safety of plant and solvent
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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. About company and Current company
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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
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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. Mass transfer unit operations, types of pumps, valve, heat exchanger
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Q2. What are the Types of pumps
Ans. 
Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.
• Centrifugal pumps: use a rotating impeller to increase the pressure of a fluid.

• Positive displacement pumps: move fluid by trapping a fixed amount and forcing it through the discharge.

• Axial flow pumps: move fluid parallel to the impeller shaft.

• Examples: Centrifugal pump - water pump, Positive displacement pump - diaphragm pump, A
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Q3. What are the unit operationsfor mass transfer
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Unit operations for mass transfer involve processes like distillation, absorption, extraction, and adsorption.
• Distillation: Separation of components based on boiling points.

• Absorption: Transfer of a solute from gas phase to liquid phase.

• Extraction: Transfer of a solute from one liquid phase to another.

• Adsorption: Adhesion of molecules to a surface.
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Q1. About privious salary and all.
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Q1. About sorbitol manufacturing process and research.
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Q2. Process and implements.
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Q3. Consumption of chemicals.
Ans. 
Consumption of chemicals refers to the use or ingestion of chemical substances.
• Chemicals are consumed in various industries such as manufacturing, agriculture, and pharmaceuticals.

• Consumption of chemicals can have both positive and negative effects on human health and the environment.

• Examples of chemical consumption include using fertilizers in agriculture, taking medication, and using cleaning products.

• Proper handling...read more
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Q4. Hydrogenation and all other reaction
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