PI Industries Graduate Trainee Interview Questions and Answers

Offline Objective and Subjective Test.
100 Marks
50 Mark Objective
50 Mark Subjective

Q1. 1) NPSH 2) Cavitation 3) Issues with Shell and Tube Heat Exchanger and its Solutions. 4) Cooling Tower Concept and Working Principle. 5) Questions based on resume. 6) Questions on Distillation Column.
Ans. 
The interview questions cover topics like NPSH, cavitation, shell and tube heat exchangers, cooling towers, resume, and distillation columns.
• NPSH stands for Net Positive Suction Head and is a measure of the pressure available at the suction port of a pump to prevent cavitation.

• Cavitation is the formation of vapor bubbles in a liquid due to rapid changes in pressure, which can damage pump components.

• Shell and tube heat ...read more
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Q1. 1) CV/Resume based questions. 2) Background. 3) Personal Response type Questions.
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Automation Vs. Manual work at industries

Q1. Baiscally about projects, management about work
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Q1. Introduce yourself and Also tell about your Family background
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Q2. What are your hobbies you pursue apart from academics
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Q3. Tell me something about your Internship experience and what all have you learnt there
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1. Quantitative aptitude
2. Verbal and Reasoning Test

Q1. Tell me about yourself and Family background
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Q2. Tell me what all have you learnt in academics which help you in internship
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Q3. Tell me about yourself start from your graduation and also about your family
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Q4. What do you understand from the word Work life balance?
Ans. 
Work life balance refers to maintaining a healthy equilibrium between one's professional responsibilities and personal life.
• Work life balance involves prioritizing tasks and setting boundaries between work and personal life.

• It is important to manage time effectively to avoid burnout and maintain overall well-being.

• Examples of achieving work life balance include setting specific work hours, taking regular breaks, and en...read more
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Q5. Tell me about your experience in internship?
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Q1. Being a mechanical Engineer you should aware about the basic of fluid mechanics Heat transfer and little bit strength of materials subjects was more weightage in the technical interview.
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Q2. How to design equipment?
Ans. 
Equipment design involves identifying user needs, creating prototypes, testing, and refining the design.
• Identify user needs and requirements

• Create prototypes and test them thoroughly

• Refine the design based on feedback and testing

• Consider safety, ergonomics, and usability

• Use appropriate materials and manufacturing processes

• Ensure compliance with relevant regulations and standards
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Q3. What was centrifugal pump and difference between pump and compressor?
Ans. 
A centrifugal pump is a mechanical device used to transport fluids by converting rotational kinetic energy to hydrodynamic energy.
• Centrifugal pumps are commonly used in industries such as oil and gas, chemical, and water treatment.

• They work by using an impeller to create a low-pressure area at the center of the pump, which draws in fluid and then expels it at high pressure through the outlet.

• Pumps are used to transport...read more
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Q4. What was NPSH? Types of pumps..
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NPSH stands for Net Positive Suction Head. It is a measure of the pressure available at the suction side of a pump to prevent cavitation.
• NPSH is important in pump selection and operation.

• It is the difference between the total suction head and the vapor pressure of the pumped fluid.

• Insufficient NPSH can lead to cavitation, which can damage the pump and reduce its efficiency.

• Different types of pumps have different NPSH r...read more
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