Blue Star Graduate Trainee Interview Questions and Answers

GD was on a common topic, whichever is trending. Candidates were divided into groups and each group was given a separate topic to discuss on.

Q1. Basic info about your specialisation during your graduation
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Q2. Was asked question of Trigonometry, not sure were it would help !
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Topic to shared the group

To learn more on the topic basics to improve my skills

Discussion of the topics

Q1. Personal questions
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Q2. To test my skills
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Q1. Be technical on your
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Q1. Tell me about your self
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Q2. About design field and technical
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Q1. Only computer based psychometric test
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Demonetisation a success or failure

Q1. Industrial Internship project based questions
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Q2. Diagram of full wave bridge rectifier circuit
Ans. 
A full wave bridge rectifier circuit converts AC voltage into DC voltage using four diodes.
• Consists of four diodes arranged in a bridge configuration

• Converts both halves of the input AC waveform into DC output

• Provides higher efficiency compared to half wave rectifier

• Commonly used in power supplies and battery chargers
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Q3. Need and use of filter capacitor in rectifier circuit
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Filter capacitor in rectifier circuit is used to smooth out the output voltage by reducing ripple and noise.
• Filter capacitor stores and releases electrical energy to reduce voltage ripple in rectified output

• It helps in converting pulsating DC output of rectifier into a smoother DC output

• Commonly used in power supplies and electronic devices to improve stability and reduce interference

• Examples include smoothing capacito...read more
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Q4. Introduction of yourself
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Q5. What will be you approach to resolve a worker union strike over salary and working hours?
Ans. 
I would prioritize open communication, negotiation, and finding a mutually beneficial solution.
• Initiate open dialogue with union representatives to understand their concerns and demands

• Negotiate in good faith to find a compromise that addresses both the workers' needs and the company's financial constraints

• Consider involving a mediator or arbitrator to facilitate discussions and help reach a resolution

• Ensure transparen...read more
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Q6. Flexibility about being posted to pune or pondicherry plant?
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Q7. Choice of profile- production, development and plant maintainance?
Ans. 
I am interested in the production profile as it involves hands-on work and problem-solving in a dynamic environment.
• Enjoy working on the production floor and seeing tangible results

• Like the challenge of optimizing processes and improving efficiency

• Interested in learning about lean manufacturing principles

• Have experience with production-related projects or internships
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Q1. 1.What is circuit ? 2.what is PCB 3.what is a frequency 4.differance between AC and DC 5.how electricity generated in our country 6.renewable and non renewable sources 7.what is ScR 8.how to supply elec...read more
Ans. 
Answers to questions related to electrical engineering concepts.
• A circuit is a closed loop through which electricity flows.

• PCB stands for Printed Circuit Board, used to connect and support electronic components.

• Frequency is the number of cycles per second in an alternating current.

• AC is alternating current that changes direction periodically, while DC is direct current that flows in one direction.

• Electricity is generat...read more
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They asked about 60 questions in total with 30 aptitude and 30 technical questions

Q1. The hr and technical round occured at same time there are there people panel with one hr two technical interviewers with for mechanical and electrical questions.
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Q2. My first questions is explain about HVAC and vapour compression cycle and they asked about 10 units like unit of heat power etc and they finally asked about current scenerio questions finally interview end...read more
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Q3. The interview go on about 30 minutes and the asked me about to draw the pv and ts diagrama of hvac finally the interview is over and got selected for 5lpa. Good luck.
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