Dell Internship Trainee Interview Questions and Answers

Q1. Well i was asked basic questions from electrical engineering and they used gate syllabus as reference for paper. It had 45 questions.
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Q1. This round was one on one interview. In this i was asked about conceptual questions from my domain i.e., electrical engineering like dc motor speed control, power system, my btech project, power electronic...read more
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Q1. This round was a managerial round. In this my manager asked me about my role in my btech project. This round had all types of questions related to my b.tech project.
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Q1. This round was general HR round. I had general conversation with HR like my view on covid, why this conpany etc.
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Q1. Tell me about your self. Where do you yourself in 5 years?
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Q1. Introduce your resume
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Q2. Technology problem about real situation in Sony
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Q1. Tell me about yourself
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Q2. Why should we hire you
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Mechanical Questions Aptitude Test

Q1. Working Principle of Air Conditioning System, Refrigeration and Air Conditioning.
Ans. 
Air conditioning and refrigeration systems work on the principle of heat transfer and phase change of refrigerant.
• Air conditioning system cools and dehumidifies air in a room or building.

• Refrigeration system removes heat from a space and transfers it to the outside environment.

• Both systems use a refrigerant to absorb and release heat through phase change.

• Air conditioning system uses a compressor, evaporator, condenser,...read more
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Q2. Describe Vapour Compression Refrigeration System.
Ans. 
Vapour Compression Refrigeration System is a common refrigeration system used in air conditioning and refrigeration applications.
• It works by compressing refrigerant vapor to increase its temperature and pressure.

• The high-pressure vapor then condenses into a liquid, releasing heat.

• The liquid refrigerant then passes through an expansion valve, where it evaporates and cools the surrounding area.

• The low-pressure vapor is t...read more
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Q1. Introduction About you Family and educations, Last employment,etc
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