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Ecolab Food Safety & Hygiene Solutions Graduate Engineer Trainee (Get) Interview Questions and Answers

Updated 14 Sep 2022

Ecolab Food Safety & Hygiene Solutions Graduate Engineer Trainee (Get) Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed in Mar 2022. There were 4 interview rounds.

Round 1 - Aptitude Test 

1 hour test consisting of a general aptitude test

Round 2 - Coding Test 

After completing the aptitude test I was immediately referred to the coding test codding test has 3 easy questions and sufficient time to complete them!

Round 3 - Technical 

(2 Questions)

  • Q1. It was regarding pointers
  • Q2. Count the frequency of elements in an array
  • Ans. 

    Count frequency of elements in an array of strings

    • Create a dictionary to store element frequency

    • Loop through array and update dictionary

    • Return dictionary

  • Answered by AI
Round 4 - HR 

(4 Questions)

  • Q1. Introduction and question from my hobby I said global affairs so he asked about recent global affairs
  • Q2. My background what family background I belong
  • Ans. 

    I come from a diverse family background with a mix of cultures and traditions.

    • My parents are from different countries, so I have been exposed to different languages and customs.

    • Growing up, I celebrated holidays and festivals from both sides of my family.

    • This diverse background has taught me to appreciate different perspectives and adapt to new environments.

  • Answered by AI
  • Q3. Are you willing to relocate?
  • Ans. 

    Yes, I am willing to relocate for the Graduate Engineer Trainee position.

    • I am open to moving to a new location for career growth and opportunities.

    • I understand that relocation may be necessary to work on specific projects or assignments.

    • I am flexible and adaptable to new environments and cultures.

    • I am excited about the prospect of exploring new cities and experiencing different work settings.

    • I am committed to my profes...

  • Answered by AI
  • Q4. This lasted for about 12 minutes

Interview Preparation Tips

Interview preparation tips for other job seekers - it is an easy company all you need is a bit of luck for my College it was offering 9 LPA so if you have prepared for this salary bracket then it's easy to kill this one.

Skills evaluated in this interview

Interview questions from similar companies

I was interviewed in Aug 2016.

Interview Questionnaire 

11 Questions

  • Q1. Tell me about yourself ?
  • Ans. 

    I am a recent graduate with a degree in Mechanical Engineering and a passion for problem-solving and innovation.

    • Graduated with a degree in Mechanical Engineering

    • Passionate about problem-solving and innovation

    • Completed internships at XYZ Company and ABC Company

    • Led a team project on designing a new prototype for a car engine

  • Answered by AI
  • Q2. What is vapour compression refrigeration cycle ?
  • Ans. 

    Vapour compression refrigeration cycle is a process used in refrigeration systems to remove heat from a space and maintain a cool temperature.

    • Vapour compression refrigeration cycle is based on the principle of phase change of a refrigerant.

    • The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

    • The refrigerant enters the compressor as a low-pressure vapor and is compressed to ...

  • Answered by AI
  • Q3. What is differential & its function ?
  • Ans. 

    The differential is a device that allows the wheels of a vehicle to rotate at different speeds while maintaining traction.

    • The differential is located in the center of the axle and is connected to the drive shaft.

    • It consists of a set of gears that distribute power from the engine to the wheels.

    • The main function of the differential is to allow the wheels to rotate at different speeds, especially when turning.

    • When a vehic...

  • Answered by AI
  • Q4. What is propeller shaft in automobile ?
  • Ans. 

    The propeller shaft is a component in an automobile that transmits power from the transmission to the differential.

    • It is a long, cylindrical shaft made of steel or aluminum.

    • It connects the transmission output shaft to the differential input shaft.

    • It allows the power generated by the engine to be transferred to the wheels.

    • It is commonly used in rear-wheel drive vehicles.

    • In four-wheel drive vehicles, there are usually tw...

  • Answered by AI
  • Q5. How many joints are there in propeller shaft ?
  • Ans. 

    The number of joints in a propeller shaft depends on the design and type of the shaft.

    • The number of joints can vary depending on the length and complexity of the propeller shaft.

    • A typical propeller shaft may have one or two joints.

    • Some propeller shafts may have more joints if they are designed for flexibility or to accommodate changes in length.

    • The joints in a propeller shaft are usually universal joints or constant ve...

  • Answered by AI
  • Q6. What is universal joints ?
  • Ans. 

    Universal joints are mechanical devices used to connect two shafts that are not in line with each other.

    • Universal joints are also known as U-joints or Cardan joints.

    • They are commonly used in automotive applications to transmit power from the engine to the wheels.

    • Universal joints allow for the transmission of rotational motion at different angles and speeds.

    • They consist of a cross-shaped component with needle bearings a...

  • Answered by AI
  • Q7. What kinds of gears are used in differential ?
  • Ans. 

    The gears used in a differential are bevel gears and pinion gears.

    • Bevel gears are used to transfer power from the drive shaft to the differential housing.

    • Pinion gears are used to transfer power from the differential housing to the axle shafts.

    • The bevel gears and pinion gears work together to allow the wheels to rotate at different speeds while maintaining power distribution.

    • The bevel gears are typically spiral bevel ge...

  • Answered by AI
  • Q8. What is relation between boiling point & vacuum ?
  • Ans. 

    The boiling point of a substance decreases with decreasing pressure in a vacuum.

    • Boiling point is the temperature at which a substance changes from a liquid to a gas.

    • In a vacuum, the pressure is significantly lower than atmospheric pressure.

    • Lower pressure in a vacuum reduces the intermolecular forces holding the substance together.

    • As a result, less energy is required to overcome these forces and the boiling point decrea...

  • Answered by AI
  • Q9. What is one tonnage of refrigeration in KW ?
  • Ans. 

    One tonnage of refrigeration is equal to approximately 3.5169 kilowatts (KW).

    • One ton of refrigeration is the amount of heat required to melt one ton (2000 pounds) of ice in 24 hours.

    • It is a unit used to measure the cooling capacity of refrigeration systems.

    • The conversion factor from tonnage of refrigeration to KW is approximately 3.5169.

    • To convert tonnage of refrigeration to KW, multiply the tonnage by 3.5169.

  • Answered by AI
  • Q10. What are the types of heat exchanger ?
  • Ans. 

    There are several types of heat exchangers, including shell and tube, plate, and finned tube heat exchangers.

    • Shell and tube heat exchangers consist of a shell with multiple tubes inside, allowing for efficient heat transfer.

    • Plate heat exchangers use a series of plates to separate the hot and cold fluids, maximizing heat transfer surface area.

    • Finned tube heat exchangers have fins attached to the tubes, increasing the he...

  • Answered by AI
  • Q11. How many centimeters are there in one inch ?
  • Ans. 

    There are 2.54 centimeters in one inch.

    • 1 inch is equal to 2.54 centimeters.

    • The conversion factor between inches and centimeters is 2.54.

    • To convert inches to centimeters, multiply the number of inches by 2.54.

    • To convert centimeters to inches, divide the number of centimeters by 2.54.

  • Answered by AI

Interview Preparation Tips

Skills: Technical Knowledge(ML

Interview Preparation Tips

Round: Test
Experience: Difficulty level 9/10
Harder than GATE exam (Technical Questions)
Verbal and Quant was a bit easy


Tips: You should be through with your technical knowledge before the test.
Time is inadequate. so focus on easy question as all of them carry same marks
Duration: 60 minutes
Total Questions: 50

Round: Technical Interview
Experience: 45 minutes technical interview
The placement drive was basically for the position of mechanical designer. so the questions were based on SOM TOM thermal.
Also they asked questions based on subject of interests and based on project work.
Tips: Relate your project work with company product, like, how could you use that knowledge in company.
Ask questions if they told u to do so.

Round: HR Interview
Experience: 30 minutes of HR interview.
It was great feeling to get selected for HR round through Technical.
Tips: focus on 1. Communication skills
2. your strength and weaknesses

College Name: VIIT Pune

Interview Preparation Tips

Round: Test
Experience: The written test was of around 45 mins.Paper consisted of approx 50 questions, both technical(Mech+ EEE) as well as general aptitude.
Duration: 45 minutes
Total Questions: 50

Round: Technical Interview
Experience: My interviews took place for around 1 hour.In interviews they asked me some finance and marketing questions, a case study, puzzles, projects and internships. At last they selected just 2

General Tips: It was challenging for me because I was not having a good cgpa like my competitors. Still I was confident throughout the selection process.
Skill Tips: The company profile was sales and marketing.It's a core company so they were open for Mech & EEE, Mechatronics(M-tech)only. Before the interviews go through some online papers of the company and also some HR questions.Since the company came for marketing profile, they really wanted a leader to leadthe market.
College Name: NIT SURATHKAL

I applied via Campus Placement

Interview Questionnaire 

5 Questions

  • Q1. Basic design procedure
  • Q2. Things you look in moulds
  • Ans. 

    I look for quality, durability, and precision in moulds.

    • Quality of the material used in the mould

    • Durability of the mould to withstand repeated use

    • Precision in the mould's design and manufacturing process

    • Ability to produce consistent and accurate parts

    • Ease of maintenance and repair

    • Compatibility with the intended manufacturing process

  • Answered by AI
  • Q3. Press tools
  • Q4. Heat transfer
  • Q5. Som and mechanics

Interview Preparation Tips

Round: Test
Experience: aptitude was not so easy as it consists of quantative logical and technical.
10 questions were on technical mainly focused on mechanics , som and machine design. if your basics are clr then u can easily crack the apti.
Tips: make yourself clr . and mark the correct answers within 1 min. if u r comfident that you can solve 40 quest in 60 min then do that instead of taking tenaion of solving all problems.
Duration: 60 minutes
Total Questions: 60

Round: CAD MODEL TEST
Experience: test was based on catia and nx. you have to make a model frm dummy model by using commands. then your model should b free from the orignal one. we call it as breaking the linkage.
Tips: whatever you do after every step save it. and then zee weather its breaking the link or note. on every step it woill reduce your labour.

Round: Technical Interview
Experience: anyone can read it frm machine design book of rs khurmi
Tips: read the basic concepts daily. make yourself cear in every doubt that occours in your mind

Round: HR Interview
Tips: be confidend. be professional.

General Tips: be prepared for any question. have energy in you
it should look in your face. b smart.
Skills: som, gd&t symbols, jigs and fixtures, press tools, moulds, catia
College Name: BECHALOR OF ENGINEERING, jawaharlal nehru engineering college
Motivation: good environment. work friendly nature.
Funny Moments: in hr interview the asked me about "how long will you stay in johnson?"
i took a pause and said sir i was planning for my retirement plan in your firm.

Interview Preparation Tips

Round: Resume Shortlist
Experience: I am M tech Design Engineering student at MNNIT Allahabad.
Johnson Controls came to our campus first time.They have Written test then technical interview and after that HR+Technical Interview.They set the cutoff of 7 CGPA for the written test.After getting shortlisted i appeared for the online exam.The exam consist of technical +aptitude+English. Questions were easy theoretical based and mainly from fluid hmt thermodynamics.English questions were also easy.
Tips: Time to complete the test will be sufficient also in there exam portal there is no back option you can either skip or select and move forward option but nothing to worry .The question which you will skip will come back at the end of the exam you can attempt them then if you want.

Round: Technical Interview
Experience: In Technical interview 3 panel consisting of 1 interviewer were made.Students are sent according to there brach in respective panel.In interview my interviewer ask mainly RAC Thermodynamics basics also some discussion about the company were there.He also ask me details about my thesis work.
Tips: Interview is easy they are mainly focusing on your Communication skill and expression.Technical is not that hard.

Round: HR Interview
Experience: In HR+Technical interview the shortlisted student from the technical round are interviewed.Panel consist of 5 people and they ask about your future perspective wrt company what you think about there company your role in there company .They also try to put some difficult question but answer them confidently and politely.Technical question along with HR questions were asked.

General Tips: Visit there website learn about company and there projects in india.focus on your Communication technical is not that much hard.
Skill Tips: Speak clearly and fluently.For technical part dont take much pressure.As for mechanical engineering students mainly hmt fluid rac are asked.Please look into there website and see there Global ranking ,there achievements and there projects in india it will help you in HR round .
Skills: Technical Skill And Speaking Skill
College Name: NIT ALLAHABAD

I was interviewed in Aug 2016.

Interview Preparation Tips

Round: Aptitute
Experience: The aptitute level of JC was preety high. The questions were tough comprising of questions from quantitative and logical reasoning.
Tips: Practise hard on aptitude coz this is the most important round for this company during on campus placements

Round: Technical Interview
Experience: The aptitute level of JC was preety high. The questions were tough comprising of questions from quantitative and logical reasoning.
Tips: Practise hard on aptitude coz this is the most important round for this company during on campus placements

Round: Technical + HR Interview
Experience: This round was to test your basic programming and problem solving skills.
Tips: You should be strong in your basic core sbjcts and very good at programming approach to solve problems

College Name: Netaji Subhash Engineering College

I was interviewed in Aug 2017.

Interview Preparation Tips

Round: Test
Experience: It was supposed to be a quantitative aptitude test but it turned out to be a general knowledge based test with a few technical and verbal questions.
Duration: 1 hour
Total Questions: 60

Round: Technical + HR Interview
Experience: Both technical and HR questions were asked to me during this round. My interviewer asked about my area of interest and the technical questions followed accordingly.

College Name: B.P.P.I.M.T

Interview Questionnaire 

16 Questions

  • Q1. Tell me about yourself along with your family background and also tell me about your final year project.
  • Ans. 

    I am a Graduate Engineer Trainee with a strong family background in engineering. My final year project focused on developing a sustainable energy solution.

    • Graduate Engineer Trainee with engineering background

    • Strong family background in engineering

    • Final year project focused on sustainable energy solution

  • Answered by AI
  • Q2. What is Android? (I had done with summer training on Android Development)
  • Q3. What is Big Data? (Winter training on Big Data)
  • Ans. 

    Big Data refers to large and complex datasets that cannot be easily managed or processed using traditional data processing techniques.

    • Big Data is characterized by the 3Vs: Volume, Velocity, and Variety.

    • Volume refers to the vast amount of data generated and collected from various sources.

    • Velocity refers to the speed at which data is generated and needs to be processed in real-time.

    • Variety refers to the different types a...

  • Answered by AI
  • Q4. How can we analyse this huge volume of data?
  • Ans. 

    Data can be analyzed by using various techniques such as data mining, machine learning, and statistical analysis.

    • Use data mining techniques to discover patterns and relationships in the data

    • Apply machine learning algorithms to make predictions and classifications

    • Utilize statistical analysis to identify trends and draw conclusions

    • Use visualization tools to present the data in a meaningful way

    • Employ parallel processing a...

  • Answered by AI
  • Q5. What are you more interested in? Program development or Testing? (Answered Development)
  • Q6. What is the difference between C and C++?
  • Ans. 

    C is a procedural programming language while C++ is an extension of C with added features of object-oriented programming.

    • C is a procedural language, while C++ supports both procedural and object-oriented programming.

    • C++ has additional features like classes, objects, inheritance, and polymorphism.

    • C++ supports exception handling and templates, which are not available in C.

    • C++ allows function overloading and operator over...

  • Answered by AI
  • Q7. What is object oriented programming language? And what is procedural language?
  • Ans. 

    Object-oriented programming is a programming paradigm that uses objects to represent and manipulate data. Procedural programming is a programming paradigm that uses procedures or functions to structure the program.

    • Object-oriented programming focuses on objects and their interactions.

    • Procedural programming focuses on procedures or functions.

    • In object-oriented programming, data and behavior are encapsulated within object...

  • Answered by AI
  • Q8. Features of OOP?
  • Ans. 

    OOP is a programming paradigm that uses objects to represent and manipulate data and behavior.

    • Encapsulation: bundling data and methods together in a class

    • Inheritance: creating new classes from existing ones

    • Polymorphism: using a single interface to represent different types

    • Abstraction: simplifying complex systems by breaking them into smaller, manageable parts

  • Answered by AI
  • Q9. What is the difference between early binding and late binding?
  • Ans. 

    Early binding and late binding are two different approaches to linking functions or methods to their respective code.

    • Early binding is done at compile-time, where the function call is resolved before the program is executed.

    • Late binding is done at runtime, where the function call is resolved during the program's execution.

    • Early binding provides better performance as the function call is already resolved.

    • Late binding all...

  • Answered by AI
  • Q10. What are functions?
  • Ans. 

    Functions are blocks of code that perform a specific task and can be reused throughout a program.

    • Functions are used to break down a program into smaller, manageable parts.

    • They improve code reusability and modularity.

    • Functions can take input parameters and return output values.

    • Examples of functions include calculating the square root of a number or sorting an array.

  • Answered by AI
  • Q11. Why do we use functions in a program?
  • Ans. 

    Functions are used in a program to modularize code, improve code reusability, enhance readability, and simplify debugging.

    • Functions help break down complex tasks into smaller, manageable parts.

    • They promote code reusability by allowing the same code to be used multiple times.

    • Functions enhance code readability by organizing code into logical blocks.

    • They simplify debugging as errors can be isolated and fixed within a spec...

  • Answered by AI
  • Q12. What is abstract class in Java?
  • Ans. 

    An abstract class in Java is a class that cannot be instantiated and is used as a blueprint for other classes.

    • An abstract class can have both abstract and non-abstract methods.

    • It can have abstract methods without any implementation.

    • It can also have non-abstract methods with implementation.

    • Abstract classes are meant to be extended by other classes.

    • To use an abstract class, it must be extended and its abstract methods mu

  • Answered by AI
  • Q13. What are abstract methods? Why do we use them?
  • Ans. 

    Abstract methods are methods without implementation. They are used to enforce implementation by subclasses.

    • Abstract methods are declared with the 'abstract' keyword and end with a semicolon instead of a method body.

    • They are used in abstract classes to enforce implementation by subclasses.

    • Subclasses must provide an implementation for all abstract methods or be declared as abstract themselves.

    • Abstract methods are useful ...

  • Answered by AI
  • Q14. What is the difference between RDBMS and DBMS? Give examples.
  • Ans. 

    RDBMS is a type of DBMS that stores data in a structured manner using tables and enforces relationships between them.

    • DBMS is a software system that manages databases, while RDBMS is a specific type of DBMS.

    • RDBMS uses a tabular structure to store data, with each table consisting of rows and columns.

    • RDBMS enforces the ACID properties (Atomicity, Consistency, Isolation, Durability) to ensure data integrity.

    • RDBMS supports ...

  • Answered by AI
  • Q15. What are primary key, candidate key, composite key?
  • Ans. 

    Primary key is a unique identifier for a record in a database table. Candidate key is a potential primary key. Composite key is a combination of two or more columns to uniquely identify a record.

    • Primary key uniquely identifies a record in a table

    • Candidate key is a potential primary key that can be chosen as the primary key

    • Composite key is a combination of two or more columns to uniquely identify a record

    • Example: In a t...

  • Answered by AI
  • Q16. What is foreign key?
  • Ans. 

    A foreign key is a column or a set of columns in a database table that refers to the primary key of another table.

    • Foreign keys establish relationships between tables in a relational database.

    • They ensure referential integrity and maintain data consistency.

    • Foreign keys can be used to enforce constraints and enable cascading updates or deletes.

    • They allow data from multiple tables to be linked together based on common valu...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: We were prepared for Quantitative Aptitude, Logical Reasoning, and Verbal Reasoning. But unlike most campus recruitment examinations, most of the questions here were from General Knowledge and Current Affairs. But most of these questions were school-level GK.
This written test was conducted on 2nd August. Results were declared on 8th August.
Duration: 1 hour
Total Questions: 60

Round: Technical Interview
Experience: Although JCI is a core company, but the interviewer asked me questions from basic C and Java.
Tips: Keep the basics clear. And if you are from IT/CS, don't fret about the fact that they'll ask questions from electronics and electrical subjects as it is a core company. That is a mistake I made. Have strong knowledge about your own domain and you'll easily crack the interview. All the best!

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions from sensor and transducers, your project in detail,control strategies were asked.

Interview Preparation Tips

Interview preparation tips for other job seekers - They check your core knowledge and also how practically you think about that knowledge.
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Ecolab Food Safety & Hygiene Solutions Interview FAQs

How many rounds are there in Ecolab Food Safety & Hygiene Solutions Graduate Engineer Trainee (Get) interview?
Ecolab Food Safety & Hygiene Solutions interview process usually has 4 rounds. The most common rounds in the Ecolab Food Safety & Hygiene Solutions interview process are Technical, HR and Aptitude Test.
What are the top questions asked in Ecolab Food Safety & Hygiene Solutions Graduate Engineer Trainee (Get) interview?

Some of the top questions asked at the Ecolab Food Safety & Hygiene Solutions Graduate Engineer Trainee (Get) interview -

  1. Count the frequency of elements in an ar...read more
  2. this lasted for about 12 minu...read more
  3. it was regarding point...read more

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