Laurus Labs Interview Questions, Process, and Tips

Q1. Tell me about your self
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Q2. Reactor PM checklist points
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Q3. Major breakdown of reactor, centrifuge,ANFD and what is the solutions.
Ans. 
Major breakdowns in reactor, centrifuge, and ANFD and their solutions.
• Reactor breakdown: Possible causes include overheating, loss of coolant, or control system failure. Solutions may involve emergency shutdown, cooling measures, or repairs.

• Centrifuge breakdown: Common issues include imbalance, bearing failure, or motor malfunction. Solutions may include recalibration, replacement of faulty parts, or maintenance.

• ANFD b...read more
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Q1. Expected salary
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Q1. What is the PH ?
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PH is a measure of acidity or alkalinity of a solution on a scale of 0 to 14.
• PH stands for 'potential of hydrogen'.

• It measures the concentration of hydrogen ions in a solution.

• A PH of 7 is considered neutral, below 7 is acidic, and above 7 is alkaline.

• Examples: Lemon juice has a PH of around 2, water has a PH of 7, and baking soda has a PH of around 9.
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Q2. Water Boiling point?
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Water boils at 100 degrees Celsius or 212 degrees Fahrenheit.
• Water boils at 100 degrees Celsius or 212 degrees Fahrenheit at sea level.

• Boiling point of water can vary with altitude - it decreases as altitude increases.

• Adding salt or other substances to water can raise its boiling point.

• Boiling point can also be affected by pressure changes.
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20 question all aptitude and 3 coding questions

Q1. Where do you see yourself in 5 years?
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Q2. Why this company?
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Q1. What is the IR value of functional groups
Ans. 
IR values of functional groups indicate the presence of specific bonds in a molecule.
• IR values are unique for different functional groups, allowing for identification in a molecule

• Common IR values include 3300-3500 cm^-1 for O-H stretch in alcohols, and 1700-1750 cm^-1 for C=O stretch in carbonyl compounds

• IR spectroscopy is a valuable tool in organic chemistry for structural determination
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Q1. Which types of problem faced reactors how do retifed them
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Reactors may face various types of problems, and they can be rectified through troubleshooting and maintenance.
• Reactors may face issues such as overheating, leaks, or mechanical failures.

• To rectify these problems, troubleshooting techniques can be used to identify the root cause.

• Maintenance activities like cleaning, repairing, or replacing faulty components can help in resolving the issues.

• Regular inspections and preve...read more
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Q2. How to change mechanical seal pumps and reactors
Ans. 
Changing mechanical seal pumps and reactors involves several steps and precautions.
• Ensure the pump or reactor is properly shut down and isolated from the power source.

• Drain the fluid from the pump or reactor and relieve any pressure.

• Remove the old mechanical seal carefully, following the manufacturer's instructions.

• Clean the seal chamber and inspect for any damage or wear.

• Install the new mechanical seal, ensuring prope...read more
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Q1. Discuss expected salary
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Q2. You have any fake certificates
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Q1. Name some chemical uses
Ans. 
Chemicals are used in various industries such as pharmaceuticals, agriculture, manufacturing, and research.
• Pharmaceuticals - for drug development and production

• Agriculture - for fertilizers, pesticides, and herbicides

• Manufacturing - for producing plastics, textiles, and chemicals

• Research - for conducting experiments and testing new products
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