Aarti Industries Interview Questions and Answers

Q1. Chiller & Brine Plant related
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Q2. Ro plant working
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Q3. ETP working process
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ETP working process involves the treatment of wastewater through a series of physical, chemical, and biological processes to remove contaminants.
• Wastewater enters the ETP and undergoes primary treatment to remove large solids.

• Secondary treatment involves biological processes to break down organic matter.

• Tertiary treatment uses chemical processes to further remove contaminants.

• Effluent is then discharged or reused depen...read more
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Q4. Troubleshooting techniques
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Troubleshooting techniques involve identifying, analyzing, and solving problems to ensure smooth operations.
• Identify the problem by gathering information and understanding the symptoms.

• Analyze the possible causes of the issue by using logical reasoning and deductive skills.

• Develop a plan of action to address the problem systematically.

• Implement the solutions and monitor the results to ensure effectiveness.

• Document the ...read more
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Q5. Nitrogen plant troubleshooting
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Basic chemistry Name reaction and Mechanism

Q1. Project reaction discussions
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Q2. Effluents treatment
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Q1. Previous Organisation CTC
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Confidential
• CTC information is confidential and not disclosed

• Previous organization's CTC is not relevant to the current role

• Focus should be on discussing skills and experiences relevant to the position
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Q2. Expected CTC maximum 30-35% hike
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I am currently earning X amount and looking for a competitive offer within the range of 30-35% hike.
• My current salary is X and I am seeking a competitive offer within the specified range.

• I have researched the market rates for Assistant Research and Development Managers in similar industries.

• I am confident in my skills and experience to justify the salary increase.

• I am open to discussing the compensation package and ben...read more
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Q1. How would I handle a certain situation between the client and contaractor at times of work delays or budget overruns
Ans. 
Effective communication and proactive problem-solving are key to managing client-contractor disputes over delays and budget issues.
• Establish open communication: Regular updates can prevent misunderstandings. For example, weekly meetings to discuss progress.

• Identify root causes: Analyze why delays or overruns occurred. If a subcontractor failed to deliver materials on time, address this directly.

• Negotiate solutions: Wor...read more
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Q2. What are all the steps involved in the constitution of a rcc building
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Steps in RCC building construction include planning, design, site preparation, foundation work, and structural framing.
• 1. Planning: Define project scope, budget, and timeline.

• 2. Design: Create architectural and structural designs, including load calculations.

• 3. Site Preparation: Clear the site, conduct soil tests, and set up temporary facilities.

• 4. Foundation Work: Excavate and pour concrete for the foundation, ensurin...read more
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Q1. What is Heat of formation
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Heat of formation is the energy released or absorbed when one mole of a compound is formed from its elements in their standard states.
• Heat of formation is also known as standard enthalpy of formation.

• It is typically measured in units of kJ/mol.

• Negative heat of formation indicates exothermic reaction, while positive heat of formation indicates endothermic reaction.

• For example, the heat of formation of water (H2O) is -28...read more
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Q2. What is heat of reaction
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Heat of reaction is the amount of heat released or absorbed during a chemical reaction.
• Heat of reaction can be exothermic (heat released) or endothermic (heat absorbed).

• It is typically measured in units of joules or calories.

• Examples include combustion reactions releasing heat and photosynthesis reactions absorbing heat.
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Basic Chemistry, reactions and relevant information

Q1. Reactions mechanism
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Reaction mechanisms explain the step-by-step process by which a chemical reaction occurs.
• Reaction mechanisms show the individual steps involved in a chemical reaction.

• They often involve the breaking and formation of chemical bonds.

• Intermediate species may be formed during the reaction.

• Mechanisms can be classified as stepwise or concerted.

• Examples include SN1, SN2, E1, E2 reactions in organic chemistry.
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Q2. Stereochemistry of reactions
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Stereochemistry of reactions involves the study of the three-dimensional arrangement of atoms in molecules and how it affects the outcome of chemical reactions.
• Stereochemistry determines the spatial arrangement of atoms in a molecule, which can impact the reactivity and selectivity of reactions.

• Chirality is an important concept in stereochemistry, where molecules can exist as enantiomers or diastereomers.

• Stereoisomers ...read more
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Q1. Previous experience CTC
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Q2. Expected CTC Relocation Condition
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Expected CTC and willingness to relocate are negotiable based on the job offer and benefits.
• Expected CTC can vary based on the job responsibilities, experience, and industry standards.

• Relocation condition depends on the location of the job, personal circumstances, and benefits offered by the company.

• Both Expected CTC and Relocation Condition are open for discussion during the interview process.
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Q1. What is DCS ???
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DCS stands for Distributed Control System, a computerized control system used to control and monitor industrial processes.
• DCS is used in industries such as oil refining, power generation, and manufacturing.

• It allows for centralized control of multiple control loops and process units.

• DCS typically consists of controllers distributed throughout the plant, connected by a communication network.

• Examples of DCS vendors inclu...read more
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Q2. How DCS work ??
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DCS (Distributed Control System) is a system used to control and monitor industrial processes.
• DCS uses multiple controllers distributed throughout a plant to control various processes

• It allows for centralized monitoring and control of the entire system

• DCS systems often use graphical interfaces for operators to interact with the system

• DCS can be used in industries such as oil and gas, power generation, and manufacturing
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Q3. What is TLV of chlorine
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TLV of chlorine is the maximum concentration of chlorine that a worker can be exposed to without experiencing adverse health effects.
• TLV stands for Threshold Limit Value

• TLV for chlorine is 1 ppm (parts per million)

• TLV is set by the American Conference of Governmental Industrial Hygienists (ACGIH)

• Exposure to chlorine above TLV can cause respiratory irritation, coughing, and chest tightness
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Q4. What is distillation ?? Tell about reflux also
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Distillation is a process used to separate components of a liquid mixture based on their boiling points. Reflux is the return of condensed vapors back into the distillation system.
• Distillation involves heating a liquid mixture to create vapor, then cooling the vapor to collect the separated components.

• The components with lower boiling points vaporize first and are collected, while the components with higher boiling poi...read more
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