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Clean Science And Technology Interview Questions and Answers

Updated 14 Apr 2025
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11 Interview questions

A Production Incharge was asked 2mo ago
Q. What are chemicals?
Ans. 

Chemicals are substances with a defined composition, consisting of atoms and molecules, used in various applications across industries.

  • Chemicals can be organic (e.g., ethanol) or inorganic (e.g., sodium chloride).

  • They are used in manufacturing, agriculture, and pharmaceuticals.

  • Examples include acids (like sulfuric acid) and bases (like sodium hydroxide).

  • Chemicals play a crucial role in chemical reactions and proce...

View all Production Incharge interview questions
A Production Incharge was asked 2mo ago
Q. What is the role of a production officer in a company?
Ans. 

A production officer oversees manufacturing processes, ensuring efficiency, quality, and adherence to safety standards.

  • Manage production schedules to meet deadlines, e.g., coordinating shifts to ensure 24/7 operations.

  • Monitor production quality and implement improvements, such as conducting regular inspections.

  • Ensure compliance with safety regulations, e.g., training staff on proper equipment handling.

  • Collaborate ...

View all Production Incharge interview questions
A Safety Supervisor was asked 3mo ago
Q. What are the different types of permits?
Ans. 

Various permits ensure safety in different work environments, each tailored to specific tasks and risks.

  • Hot Work Permit: Required for activities like welding or cutting that generate sparks.

  • Confined Space Permit: Needed for work in areas with limited entry and exit, like tanks or silos.

  • Electrical Work Permit: Required for maintenance or repair of electrical systems to ensure safety.

  • Excavation Permit: Necessary for...

View all Safety Supervisor interview questions
A Project Trainee Engineer was asked 12mo ago
Q. What are the different types of beams?
Ans. 

A type of beam is a structural element that carries load primarily in bending.

  • Types of beams include cantilever beams, simply supported beams, and fixed beams.

  • Beams can be made of materials such as wood, steel, concrete, or composite materials.

  • Beams are commonly used in construction to support roofs, floors, and bridges.

View all Project Trainee Engineer interview questions
A QC Chemist was asked 3mo ago
Q. Synthesis & Retrosynthesis of Alcohol to Acids
Ans. 

Exploring the synthesis and retrosynthesis pathways from alcohols to carboxylic acids.

  • Oxidation of primary alcohols leads to aldehydes, which can be further oxidized to carboxylic acids.

  • Example: Ethanol (C2H5OH) can be oxidized to acetaldehyde (CH3CHO) and then to acetic acid (CH3COOH).

  • Secondary alcohols can be oxidized to ketones, which do not directly convert to acids but can undergo further reactions.

  • Example: I...

View all QC Chemist interview questions
A Project Trainee Engineer was asked 12mo ago
Q. Classification of stress
Ans. 

Stress can be classified as acute or chronic, eustress or distress, and as physical, mental, emotional, or environmental.

  • Acute vs. Chronic stress

  • Eustress vs. Distress

  • Physical, Mental, Emotional, Environmental stress

View all Project Trainee Engineer interview questions
A Project Trainee Engineer was asked 12mo ago
Q. Classification Of material
Ans. 

Classification of materials is the process of categorizing substances based on their properties and characteristics.

  • Materials can be classified based on their composition (e.g. metals, polymers, ceramics)

  • Materials can also be classified based on their properties (e.g. conductors, insulators, magnetic materials)

  • Classification helps in understanding the behavior and applications of different materials

View all Project Trainee Engineer interview questions
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A Project Trainee Engineer was asked 12mo ago
Q. Conversion of dimension
Ans. 

Conversion of dimension involves changing the unit of measurement from one form to another.

  • Conversion factors are used to convert between different units of measurement.

  • Common conversions include inches to centimeters, feet to meters, and pounds to kilograms.

  • Remember to multiply or divide by the conversion factor to get the correct result.

View all Project Trainee Engineer interview questions
A Project Trainee Engineer was asked 12mo ago
Q. Classification of turbine
Ans. 

Turbines can be classified based on various factors such as type, working fluid, and application.

  • Classification based on type: Impulse turbines and Reaction turbines

  • Classification based on working fluid: Steam turbines, Gas turbines, and Water turbines

  • Classification based on application: Power generation turbines, Marine turbines, and Aircraft turbines

View all Project Trainee Engineer interview questions
A Project Trainee Engineer was asked 12mo ago
Q. Classification of steel
Ans. 

Steel can be classified based on its chemical composition, physical properties, and uses.

  • Classification based on chemical composition: carbon steel, alloy steel, stainless steel

  • Classification based on physical properties: high carbon steel, low carbon steel, high strength low alloy steel

  • Classification based on uses: structural steel, tool steel, stainless steel

  • Example: Carbon steel contains mainly carbon and iron,...

View all Project Trainee Engineer interview questions

Clean Science And Technology Interview Experiences

10 interviews found

Senior Engineer Interview Questions & Answers

user image Santosh Uttamrao Pujari

posted on 14 Feb 2025

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. Basic engineering questions, Questions based on your role in previous company, problems in your shift n how you solved
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(7 Questions)

  • Q1. What are the types of pump
  • 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 pump shaft.

    • Examples: Centrifugal pump - water pump, Positive displacement pump - diaphragm pump, Axial...

  • Answered by AI
  • Q2. Classification Of material
  • Ans. 

    Classification of materials is the process of categorizing substances based on their properties and characteristics.

    • Materials can be classified based on their composition (e.g. metals, polymers, ceramics)

    • Materials can also be classified based on their properties (e.g. conductors, insulators, magnetic materials)

    • Classification helps in understanding the behavior and applications of different materials

  • Answered by AI
  • Q3. Classification of stress
  • Ans. 

    Stress can be classified as acute or chronic, eustress or distress, and as physical, mental, emotional, or environmental.

    • Acute vs. Chronic stress

    • Eustress vs. Distress

    • Physical, Mental, Emotional, Environmental stress

  • Answered by AI
  • Q4. What are a type of beam
  • Ans. 

    A type of beam is a structural element that carries load primarily in bending.

    • Types of beams include cantilever beams, simply supported beams, and fixed beams.

    • Beams can be made of materials such as wood, steel, concrete, or composite materials.

    • Beams are commonly used in construction to support roofs, floors, and bridges.

  • Answered by AI
  • Q5. Conversion of dimension
  • Ans. 

    Conversion of dimension involves changing the unit of measurement from one form to another.

    • Conversion factors are used to convert between different units of measurement.

    • Common conversions include inches to centimeters, feet to meters, and pounds to kilograms.

    • Remember to multiply or divide by the conversion factor to get the correct result.

  • Answered by AI
  • Q6. Classification of turbine
  • Ans. 

    Turbines can be classified based on various factors such as type, working fluid, and application.

    • Classification based on type: Impulse turbines and Reaction turbines

    • Classification based on working fluid: Steam turbines, Gas turbines, and Water turbines

    • Classification based on application: Power generation turbines, Marine turbines, and Aircraft turbines

  • Answered by AI
  • Q7. Classification of steel
  • Ans. 

    Steel can be classified based on its chemical composition, physical properties, and uses.

    • Classification based on chemical composition: carbon steel, alloy steel, stainless steel

    • Classification based on physical properties: high carbon steel, low carbon steel, high strength low alloy steel

    • Classification based on uses: structural steel, tool steel, stainless steel

    • Example: Carbon steel contains mainly carbon and iron, whil...

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. What is your educational background?
  • Ans. 

    I have a Bachelor's degree in Human Resource Management.

    • Bachelor's degree in Human Resource Management

    • Courses in HR practices, organizational behavior, labor laws

    • Internship experience in HR department

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
  • Q1. What are chemicals ?
  • Ans. 

    Chemicals are substances with a defined composition, consisting of atoms and molecules, used in various applications across industries.

    • Chemicals can be organic (e.g., ethanol) or inorganic (e.g., sodium chloride).

    • They are used in manufacturing, agriculture, and pharmaceuticals.

    • Examples include acids (like sulfuric acid) and bases (like sodium hydroxide).

    • Chemicals play a crucial role in chemical reactions and processes.

  • Answered by AI
  • Q2. What is chemistry ?
  • Q3. What is the role of production officer in company?
  • Ans. 

    A production officer oversees manufacturing processes, ensuring efficiency, quality, and adherence to safety standards.

    • Manage production schedules to meet deadlines, e.g., coordinating shifts to ensure 24/7 operations.

    • Monitor production quality and implement improvements, such as conducting regular inspections.

    • Ensure compliance with safety regulations, e.g., training staff on proper equipment handling.

    • Collaborate with ...

  • Answered by AI

QC Chemist Interview Questions & Answers

user image Madhukar Kulkarni

posted on 28 Mar 2025

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

  • Q1. Written test, Technical Round, HR Round
  • Q2. IUPAC, Molecular weight, Anisole structure reaction synthesis
  • Q3. 1N NaOH preparation
  • Q4. Synthesis & Retrosynthesis of Alcohol to Acids
  • Ans. 

    Exploring the synthesis and retrosynthesis pathways from alcohols to carboxylic acids.

    • Oxidation of primary alcohols leads to aldehydes, which can be further oxidized to carboxylic acids.

    • Example: Ethanol (C2H5OH) can be oxidized to acetaldehyde (CH3CHO) and then to acetic acid (CH3COOH).

    • Secondary alcohols can be oxidized to ketones, which do not directly convert to acids but can undergo further reactions.

    • Example: Isopro...

  • Answered by AI

Safety Supervisor Interview Questions & Answers

user image Ajay Gangaram Dhame

posted on 21 Mar 2025

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

  • Q1. What are the different types of permits?
  • Ans. 

    Various permits ensure safety in different work environments, each tailored to specific tasks and risks.

    • Hot Work Permit: Required for activities like welding or cutting that generate sparks.

    • Confined Space Permit: Needed for work in areas with limited entry and exit, like tanks or silos.

    • Electrical Work Permit: Required for maintenance or repair of electrical systems to ensure safety.

    • Excavation Permit: Necessary for digg...

  • Answered by AI
  • Q2. What suggestions do you have?
  • Ans. 

    Implementing proactive safety measures can enhance workplace safety and reduce incidents.

    • Conduct regular safety training sessions for all employees to ensure they are aware of safety protocols.

    • Implement a safety audit system to identify potential hazards and rectify them promptly.

    • Encourage a culture of safety by rewarding employees who report unsafe conditions or practices.

    • Utilize safety technology, such as wearables, ...

  • Answered by AI

Chemist Interview Questions & Answers

user image Anonymous

posted on 15 Oct 2022

I appeared for an interview in Sep 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Colar coding of line in plant and NFPA tringal

Round 3 - Group Discussion 

Dcs operation, Manpower handling, 5s team member

Interview Preparation Tips

Interview preparation tips for other job seekers - No any comments because it is a good platefoom in new person new job opportunities in our company

I applied via Company Website and was interviewed in Oct 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. DISTILLATION Important
  • Ans. 

    Distillation is a process of separating components of a mixture based on their boiling points.

    • Distillation involves heating a mixture to vaporize the component with the lowest boiling point.

    • The vapor is then condensed and collected as a separate liquid.

    • Distillation is commonly used in the production of alcoholic beverages, petroleum refining, and purification of water.

    • There are different types of distillation such as s...

  • Answered by AI
  • Q2. Chemical engineer

Interview Preparation Tips

Interview preparation tips for other job seekers - As a Chemical engineer sound knowledge of Vacuum distillation And Chemical Reaction Engineering.

Production Interview Questions & Answers

user image Anonymous

posted on 12 Feb 2021

Interview Questionnaire 

1 Question

  • Q1. Distillation column operating

I applied via Walk-in and was interviewed in Aug 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Last year study and subject
  • Ans. 

    I studied Analytical Chemistry last year, focusing on quality control methods and techniques.

    • Studied Analytical Chemistry

    • Focused on quality control methods and techniques

    • Practiced using various analytical instruments

    • Learned about validation and verification processes

  • Answered by AI
  • Q2. Analytical instruments and laboratory work

Interview Preparation Tips

Interview preparation tips for other job seekers - Go with well preparations about last year study..

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I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Clean Science And Technology Interview FAQs

How many rounds are there in Clean Science And Technology interview?
Clean Science And Technology interview process usually has 1-2 rounds. The most common rounds in the Clean Science And Technology interview process are Technical, Resume Shortlist and Coding Test.
How to prepare for Clean Science And Technology interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Clean Science And Technology. The most common topics and skills that interviewers at Clean Science And Technology expect are Instrumentation, PLC, Production, SCADA and EHS.
What are the top questions asked in Clean Science And Technology interview?

Some of the top questions asked at the Clean Science And Technology interview -

  1. What is the role of production officer in compa...read more
  2. What are the different types of permi...read more
  3. What are the types of p...read more

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based on 14 interview experiences

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Moderate 75%

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4-6 weeks 25%
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2.8

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4.0

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3.5

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3.1

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3.4

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