Aarti Industries Interview Questions, Process, and Tips

Q1. Maintenance and work permit emargency handling chemical dosing system
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Q2. Coal analysis and water treatment system
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Q1. Family background
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Q2. Salary discussion
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Q1. What is procedure of predective maintenance
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Predictive maintenance is a proactive maintenance strategy that uses data analysis to predict when equipment failure is likely to occur.
• Uses data analysis to predict when equipment failure is likely to occur

• Helps in scheduling maintenance activities before a breakdown occurs

• Reduces downtime and increases equipment reliability

• Examples: monitoring equipment performance metrics, using sensors to detect anomalies
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Q2. How Spark test is carried out in GLR?
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Spark test in GLR is carried out by applying a small amount of spark to the sample to observe the color and intensity of the spark produced.
• Ensure the sample is clean and free of any contaminants

• Apply a small amount of spark to the sample using a spark tester

• Observe the color and intensity of the spark produced

• Compare the results with a reference chart to determine the quality of the sample
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Q1. Basic chemistry
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Q2. Name reaction, previous experience
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Q1. What is p&I'd ??
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P&I'd stands for Planning and Implementation Document.
• P&I'd is a document that outlines the planning and implementation process for a project or task.

• It includes details such as project objectives, timelines, resources required, and steps to be followed.

• P&I'd helps in ensuring a systematic and organized approach to project management.

• Example: A P&I'd for a software development project would include the project scope, d...read more
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Q2. Please tell about your process diagram
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My process diagram outlines the steps involved in managing a team and ensuring efficient operations.
• The diagram starts with the identification of team goals and objectives.

• It then moves on to the allocation of tasks and responsibilities to team members.

• Regular communication and feedback loops are established to monitor progress and address any issues.

• Performance evaluations and coaching sessions are conducted to suppor...read more
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Q3. What is hydrogenation ??
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Hydrogenation is a chemical process that involves the addition of hydrogen to a compound, typically an unsaturated hydrocarbon.
• Hydrogenation is commonly used in the food industry to convert liquid vegetable oils into solid fats, such as margarine.

• It is also used in the production of various chemicals, such as hydrogenated oils for use in soaps and detergents.

• The process of hydrogenation can change the physical properti...read more
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Q4. How DCS work ??
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DCS stands for Distributed Control System. It is a computerized control system used to monitor and control industrial processes.
• DCS is composed of multiple control units distributed throughout a plant or facility.

• It uses a network to communicate and exchange data between the control units.

• DCS provides centralized control and monitoring of various processes, such as temperature, pressure, flow, and level.

• It allows for r...read more
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Q1. What is unit operation and unit process ??
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Unit operation refers to a single step in a chemical process, while unit process involves a series of unit operations.
• Unit operation is a distinct step in a chemical process.

• Unit process is a combination of multiple unit operations.

• Unit operation focuses on a specific physical or chemical change.

• Unit process involves the transformation of raw materials into desired products.

• Examples of unit operations include distillat...read more
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Q2. If u are in DCS suddenly fire in plant .what action u take ??
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Q3. What is distillation ??
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Distillation is a process of separating components of a liquid mixture based on their different boiling points.
• Distillation involves heating a liquid mixture to vaporize the more volatile components.

• The vapor is then cooled and condensed back into a liquid, resulting in the separation of the components.

• The component with the lower boiling point will vaporize first and be collected separately.

• Distillation is commonly us...read more
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Q4. What is reflux ratio ??
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Reflux ratio is the ratio of the liquid refluxed back to the distillation column to the liquid product withdrawn from the column.
• Reflux ratio is an important parameter in distillation processes.

• It helps in controlling the separation efficiency of the column.

• A higher reflux ratio leads to better separation but requires more energy.

• Reflux ratio can be adjusted to optimize the column performance.

• For example, in a distilla...read more
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Q5. How centrifugal pump work ??
Ans. 
Centrifugal pumps work by converting rotational energy into kinetic energy to move fluid.
• Centrifugal pumps use an impeller to create centrifugal force, which pushes the fluid towards the pump outlet.

• The impeller spins at high speed, creating a low-pressure area at the center and a high-pressure area at the outer edges.

• Fluid enters the pump through the suction inlet and is accelerated by the impeller, increasing its kin...read more
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Q6. What is PSV ??
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PSV stands for Pressure Safety Valve.
• PSV is a type of valve used to protect equipment from overpressure.

• It automatically opens when the pressure exceeds a set limit, releasing excess pressure.

• PSVs are commonly used in industries such as oil and gas, chemical, and power plants.

• They help prevent equipment damage, explosions, and other safety hazards.

• PSVs are designed to meet specific pressure and flow requirements.

• They a...read more
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Q1. What is LooP reactor ??
Ans. 
LooP reactor is a type of reactor used in chemical processes for continuous flow reactions.
• LooP reactor allows for continuous processing of reactions, leading to higher efficiency and productivity.

• It is commonly used in the pharmaceutical and fine chemical industries.

• The design of LooP reactor enables precise control over reaction parameters such as temperature, pressure, and residence time.
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Q2. How many type of Level transmeeter ??
Ans. 
There are several types of level transmitters used in various industries.
• Capacitance level transmitters

• Ultrasonic level transmitters

• Radar level transmitters

• Differential pressure level transmitters

• Guided wave radar level transmitters

• Conductivity level transmitters

• Float level transmitters
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Q3. What is RTD ??
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RTD stands for Resistance Temperature Detector. It is a type of temperature sensor that measures temperature by correlating the resistance of the sensor with temperature.
• RTD is commonly used in industrial applications for accurate temperature measurement.

• It is based on the principle that the electrical resistance of a metal changes with temperature.

• RTDs are known for their high accuracy, stability, and repeatability.

• Th...read more
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Q1. What is your family background ??
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Q2. What sellary u except ??
Ans. 
I expect a competitive salary that reflects my experience and the responsibilities of the Senior Supervisor role.
• I am looking for a salary that is commensurate with my skills and experience.

• I would like to be compensated fairly for the added responsibilities of the Senior Supervisor position.

• I am open to discussing salary based on the overall compensation package and benefits offered.

• I have researched the market rates ...read more
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Q3. If u are selected after how many days u will join ??
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Q4. Sellary compansation ??
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Q1. Maintenance pump assemble and fitting
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Q2. Cooling tower and boiler
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Q3. Plan maintenance and reactor
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Q1. Family background
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Q2. Salary discussion
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Kinematics & engineering mechanics & fluid dynamics.

Q1. Internship questions
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Q2. Basic internship questions
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Q1. Basic information on clg topic
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