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Exova Interview Questions and Answers

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I applied via Naukri.com and was interviewed in Aug 2021. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What is known afeican countryeis?
  • Ans. 

    Africa is a continent with 54 countries, each with its own unique culture, history, and natural resources.

    • Africa has 54 countries

    • The largest country in Africa is Algeria

    • The most populous country in Africa is Nigeria

    • Egypt is known for its ancient pyramids and Sphinx

    • South Africa is known for its wildlife and natural beauty

    • Kenya is known for its wildlife and safaris

    • Ethiopia is known for its coffee and ancient history

    • Ghana...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Frist known other countrieys rules & regluation .
Be positive good eperiance
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Apr 2022.

Round 1 - One-on-one 

(2 Questions)

  • Q1. 1) overhauling of maintenance. 2) what is the function of cooling tower.
  • Ans. 

    A cooling tower is a device used to remove heat from a building or industrial process.

    • The function of a cooling tower is to cool down water or other fluids by extracting heat from them.

    • Cooling towers are commonly used in HVAC systems, power plants, and industrial processes.

    • They work by evaporating a small portion of the water, which removes heat and cools down the remaining water.

    • The cooled water is then circulated bac...

  • Answered by AI
  • Q2. How to dismental of boiler feed pump
  • Ans. 

    To dismantle a boiler feed pump, follow these steps

    • Isolate the pump from the power source and drain the water from the system

    • Remove the coupling and motor from the pump

    • Disconnect the suction and discharge piping from the pump

    • Remove the bolts and nuts that hold the pump casing together

    • Lift the casing off the pump and remove the impeller and shaft

    • Inspect and clean all parts before reassembling or replacing

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Be truthful in your resume. It is very easy to catch false or lies during the interview by asking basic questions.
View all tips
Round 2 - Technical 

(4 Questions)

  • Q1. Pellet plant maintenance work
  • Q2. Pellet plant working procedure
  • Ans. 

    Pellet plant is a facility that transforms raw materials into pellets through a series of processes like grinding, drying, and compressing.

    • Raw materials such as wood chips or sawdust are fed into the plant

    • The raw materials are ground into a fine powder

    • The powder is then dried to remove moisture

    • The dried powder is compressed into pellets using a pellet press

    • The pellets are cooled and screened to ensure quality

    • The final ...

  • Answered by AI
  • Q3. Cooler car plate replacement work
  • Ans. 

    Replacing cooler car plates involves removing old plates, cleaning the area, and installing new plates securely.

    • Remove old cooler car plates carefully to avoid damaging surrounding components

    • Clean the area thoroughly before installing new plates to ensure proper adhesion

    • Securely install new cooler car plates to prevent any leaks or malfunctions

  • Answered by AI
  • Q4. Kil girth gear reverse process
  • Ans. 

    The reverse process of kiln girth gear involves disassembling, inspecting, repairing, and reassembling the gear to ensure proper functioning.

    • Disassemble the girth gear carefully to inspect for any damage or wear

    • Repair or replace any worn or damaged components

    • Reassemble the gear ensuring proper alignment and torque specifications

    • Perform testing to ensure the gear functions correctly after reassembly

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Generic Questions
  • Q2. About company and various other questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your basics strong. Learn about the type of business they are involved with.
Round 1 - HR 

(4 Questions)

  • Q1. What is your family background?
  • Q2. What are your salary expectations?
  • Q3. Share details of your previous job.
  • Q4. Why are you looking for a change?

Interview Preparation Tips

Interview preparation tips for other job seekers - Advance excel knowledge is must.

I applied via Job Fair

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 - Technical 

(2 Questions)

  • Q1. All questions related to foundry
  • Q2. And machine shop and patterns making

Interview Preparation Tips

Interview preparation tips for other job seekers - Good company to learn process of plant and production.
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

It consists of verbal and mathematical problems, with a duration of one and a half hours, which can be easily solved.

Round 2 - Coding Test 

The moderate level of programming consists of multiple-choice questions (MCQs) and includes two programs focused on string and number operations.

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jul 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

1st round of interview was Aptitude test for 1 hr and topics were mostly logical analysis and quants

Round 2 - Group Discussion 

Topic was development of technology in India how it is going to affect

Round 3 - One-on-one 

(5 Questions)

  • Q1. Define what is hooks law
  • Ans. 

    Hook's law states that the force needed to extend or compress a spring by a certain distance is proportional to that distance.

    • Force needed to extend or compress a spring is directly proportional to the displacement

    • The formula for Hook's law is F = kx, where F is the force, k is the spring constant, and x is the displacement

    • It is used to calculate the behavior of springs, elastic materials, and other systems under stres

  • Answered by AI
  • Q2. What is pearlite material
  • Ans. 

    Pearlite is a two-phased lamellar structure composed of alternating layers of ferrite and cementite in carbon steel.

    • Pearlite forms when austenite transforms during the cooling process of steel

    • It is a common microstructure in carbon steels

    • Pearlite provides strength and hardness to the steel

    • It is often used in engineering applications for its desirable properties

  • Answered by AI
  • Q3. What is the composition of steel
  • Ans. 

    Steel is primarily composed of iron and carbon, with small amounts of other elements like manganese, phosphorus, sulfur, and silicon.

    • Steel is mainly made up of iron and carbon

    • Carbon content typically ranges from 0.2% to 2.1%

    • Other elements like manganese, phosphorus, sulfur, and silicon are also present in small amounts

    • Alloying elements like nickel, chromium, and molybdenum can be added to enhance specific properties

  • Answered by AI
  • Q4. Tell me about yourself
  • Q5. Which subject do you like most

I was interviewed before Jun 2021.

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 - Aptitude Test 

Physics,chem,math,quantitative apti.. etc

Round 3 - HR 

(3 Questions)

  • Q1. Can you work with team
  • Q2. What is elctrolysis,what do you know how we can prepare aluminium
  • Ans. 

    Electrolysis is a process of breaking down a compound using electricity. Aluminium can be prepared by electrolysis of alumina.

    • Electrolysis involves passing an electric current through a compound to break it down into its constituent elements.

    • Aluminium is prepared by electrolysis of alumina (Al2O3) dissolved in molten cryolite (Na3AlF6).

    • The process involves the use of carbon electrodes, which react with the oxygen relea...

  • Answered by AI
  • Q3. Can you work at a temp 50 degree

Interview Preparation Tips

Interview preparation tips for other job seekers - Vedanta is world largest natural resource company.Come and join for your best carreer

I applied via Campus Placement and was interviewed before Sep 2021. There were 4 interview rounds.

Round 1 - Aptitude Test 

Basic Maths, Science & Gk

Round 2 - Group Discussion 

Indian economy - 10 min

Round 3 - Technical 

(4 Questions)

  • Q1. Difference between vs Refrigeration
  • Ans. 

    Air conditioning is the process of altering the properties of air to make it more comfortable, while refrigeration is the process of removing heat from a space or substance.

    • Air conditioning is used to cool and dehumidify indoor air for comfort.

    • Refrigeration is used to preserve food, medicine, and other perishable items.

    • Air conditioning uses a refrigerant to absorb heat from indoor air and release it outside.

    • Refrigerati...

  • Answered by AI
  • Q2. Thermodynamics cycle.
  • Q3. Material properties and usage in the real world
  • Ans. 

    Material properties and usage are crucial in determining the performance and durability of products in the real world.

    • Material properties such as strength, durability, and conductivity are important considerations in product design and development.

    • Different materials have different properties and are suited for different applications. For example, steel is strong and durable, making it ideal for construction and manufa...

  • Answered by AI
  • Q4. Heat conduction vs Raidation
  • Ans. 

    Heat conduction is the transfer of heat through a material, while radiation is the transfer of heat through electromagnetic waves.

    • Heat conduction occurs in solids and liquids, while radiation can occur in vacuum or through transparent media.

    • Heat conduction is slower than radiation.

    • Examples of heat conduction include touching a hot stove or holding a warm cup of coffee, while examples of radiation include feeling the wa...

  • Answered by AI
Round 4 - HR 

(2 Questions)

  • Q1. Are you willing to relocate
  • Q2. What is ur Expected CTC
  • Ans. 

    My expected CTC is in line with industry standards and commensurate with my experience and skills.

    • My expected CTC is based on my current salary, industry standards, and the responsibilities of the role.

    • I have researched the market and have a realistic expectation for my salary.

    • I am open to negotiation based on the overall compensation package.

    • I am looking for a fair and competitive salary that reflects my experience an...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please do the hiring process from 2nd/3rd tier college.

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Exova Reviews and Ratings

based on 7 reviews

4.9/5

Rating in categories

4.8

Skill development

4.6

Work-life balance

4.6

Salary

4.5

Job security

4.7

Company culture

4.7

Promotions

4.8

Work satisfaction

Explore 7 Reviews and Ratings
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