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Praj-Matrix Graduate Trainee Interview Questions and Answers

Updated 11 Jan 2024

Praj-Matrix Graduate Trainee Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Newspaper Ad and was interviewed before Jan 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is real gas low
  • Ans. 

    Real gas law describes the behavior of gases at high pressures and low temperatures, accounting for intermolecular forces and molecular volume.

    • Real gas law is an extension of the ideal gas law.

    • It takes into account the non-ideal behavior of gases.

    • Real gases deviate from ideal gas behavior due to intermolecular attractions and molecular volume.

    • At high pressures and low temperatures, real gases exhibit significant deviat...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be confident with your answers.

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

General aptitude test along with the technical aptitude. The technical test was more based on the simple mass balance calculations

Round 2 - Group Discussion 

It was more group activity. A group of 5 - 6 participants were asked to build a bridge using just newspapers. The objective was to test the team performace and leadership qualities of the participants

Round 3 - Technical 

(1 Question)

  • Q1. Which type of dryers are widely used for commercial production?
  • Ans. 

    Industrial tumble dryers are widely used for commercial production.

    • Industrial tumble dryers are efficient and can handle large loads of laundry.

    • They are commonly used in hotels, hospitals, laundromats, and other commercial settings.

    • Examples of popular brands include Maytag, Speed Queen, and Dexter.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - More questions were based on the distillation and evaporation operation
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Aptitude test based on Processes used in Distillery.

Round 2 - HR 

(2 Questions)

  • Q1. Where do you see yourself in 5 years?
  • Q2. Future goals about higher studies.
  • Ans. 

    My future goal is to pursue a Master's degree in Business Administration to enhance my skills and knowledge in the field.

    • Plan to enroll in an MBA program within the next 2 years

    • Seeking to specialize in finance or marketing

    • Goal is to leverage advanced education for career advancement

    • Considering part-time or online options for flexibility

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

General aptitude test along with the technical aptitude. The technical test was more based on the simple mass balance calculations

Round 2 - Group Discussion 

It was more group activity. A group of 5 - 6 participants were asked to build a bridge using just newspapers. The objective was to test the team performace and leadership qualities of the participants

Round 3 - Technical 

(1 Question)

  • Q1. Which type of dryers are widely used for commercial production?
  • Ans. 

    Industrial tumble dryers are widely used for commercial production.

    • Industrial tumble dryers are efficient and can handle large loads of laundry.

    • They are commonly used in hotels, hospitals, laundromats, and other commercial settings.

    • Examples of popular brands include Maytag, Speed Queen, and Dexter.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - More questions were based on the distillation and evaporation operation
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Online test conducted testing aptitude and technical knowledge

Round 2 - Group Discussion 

It was a group activity using jenga

Round 3 - One-on-one 

(2 Questions)

  • Q1. Self introduction
  • Q2. Technical knowledge
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Mar 2023.

Round 1 - Aptitude Test 

Aptitude test was technical and quantitative type

Round 2 - Group Activity 

(1 Question)

  • Q1. Group activity was about making a bridge
Round 3 - Technical 

(1 Question)

  • Q1. Technical interview was taken on internship, project and favourite subjects
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Nov 2022. There were 5 interview rounds.

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 

(1 Question)

  • Q1. Basic questions related to my technical field
Round 3 - HR 

(1 Question)

  • Q1. We were asked to do a Group Discussion Debate.
Round 4 - Technical 

(1 Question)

  • Q1. Normal technical round
Round 5 - One-on-one 

(1 Question)

  • Q1. Questions About thesis and major project
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Aptitude test based on Processes used in Distillery.

Round 2 - HR 

(2 Questions)

  • Q1. Where do you see yourself in 5 years?
  • Q2. Future goals about higher studies.
  • Ans. 

    My future goal is to pursue a Master's degree in Business Administration to enhance my skills and knowledge in the field.

    • Plan to enroll in an MBA program within the next 2 years

    • Seeking to specialize in finance or marketing

    • Goal is to leverage advanced education for career advancement

    • Considering part-time or online options for flexibility

  • Answered by AI

I applied via campus placement at Visveswaraiah Technological University (VTU) and was interviewed before May 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Why SF6 gas is used in circuit breakers?
  • Ans. 

    SF6 gas is used in circuit breakers due to its excellent electrical insulation properties and high dielectric strength.

    • SF6 gas has high dielectric strength, making it an effective insulator in high voltage applications.

    • It has excellent arc-quenching properties, allowing it to quickly extinguish electrical arcs.

    • SF6 gas is chemically stable and non-toxic, making it safe for use in circuit breakers.

    • It has a high thermal c...

  • Answered by AI
  • Q2. What protections are used in a substation?
  • Ans. 

    Substations use various protections to ensure safety and reliability of power supply.

    • Overcurrent protection

    • Ground fault protection

    • Transformer protection

    • Surge protection

    • Circuit breaker

    • Relay protection

    • Isolation switches

    • Lightning arresters

    • Fire protection

    • Security measures

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - The interviewer will first ask your subject of interest based on that he will ask you the basic questions
If ua strong with basics then surely u can crack it easily.

I applied via Referral and was interviewed in Dec 2019. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Definition and working and different types of pumps and boilers ??
  • Ans. 

    Pumps and boilers are essential equipment in various industries. Pumps are used to transfer fluids, while boilers generate steam.

    • Pumps are devices that move fluids by mechanical action.

    • There are different types of pumps, such as centrifugal pumps, reciprocating pumps, and rotary pumps.

    • Centrifugal pumps are commonly used in water supply systems and HVAC applications.

    • Reciprocating pumps are used in high-pressure applicat...

  • Answered by AI
  • Q2. What is the working of ahu ?
  • Ans. 

    AHU stands for Air Handling Unit. It is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning (HVAC) system.

    • AHU is responsible for conditioning and distributing air within a building.

    • It consists of components like fans, filters, heating and cooling coils, dampers, and controls.

    • The fans in AHU draw in outside air, filter it, and then distribute it to various areas of the bui...

  • Answered by AI
  • Q3. How many types of boilers
  • Ans. 

    There are several types of boilers used in various industries and applications.

    • There are four main types of boilers: fire-tube, water-tube, electric, and biomass.

    • Fire-tube boilers are commonly used in steam locomotives and industrial plants.

    • Water-tube boilers are used in power stations and large industrial settings.

    • Electric boilers are used for heating purposes in residential and commercial buildings.

    • Biomass boilers us...

  • Answered by AI
  • Q4. Which types of machines are used in pharmaceutical company

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident while facing the interview and preapre well on your core subjects

Praj-Matrix Interview FAQs

How many rounds are there in Praj-Matrix Graduate Trainee interview?
Praj-Matrix interview process usually has 1 rounds. The most common rounds in the Praj-Matrix interview process are Technical.

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Praj-Matrix Graduate Trainee Interview Process

based on 1 interview

Interview experience

3
  
Average
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