TMEIC Production & Maintenance Engineer Interview Questions and Answers

Q1. What is transformer differential protection, and how is current transformer (CT) sizing determined?
Ans. 
Transformer differential protection is a method to protect transformers from internal faults. CT sizing is determined based on the transformer's primary current rating.
• Transformer differential protection compares the currents entering and leaving the transformer to detect internal faults.

• Current transformers (CTs) are sized based on the transformer's primary current rating and the desired accuracy of the protection sch...read more
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Q2. What is unbalanced protection in electrical systems?
Ans. 
Unbalanced protection in electrical systems is a type of protection that detects and responds to imbalances in current or voltage levels.
• Unbalanced protection is used to detect faults such as phase-to-phase or phase-to-ground faults in electrical systems.

• It helps prevent damage to equipment and ensures the safety of personnel by quickly isolating the faulty section of the system.

• Examples of unbalanced protection device...read more
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Q3. Is the use of a smartphone camera flasher permitted while assessing old switchgears for modernization?
Ans. 
Yes, the use of a smartphone camera flasher is permitted while assessing old switchgears for modernization.
• Using a smartphone camera flasher can help illuminate dark areas and improve visibility while assessing old switchgears.

• It can assist in capturing clear and detailed images for documentation and analysis.

• Ensure that the flash does not interfere with any sensitive equipment or cause any safety hazards.

• Consider usin...read more
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Q4. What is your current CTC, and what are your salary expectations?
Ans. 
I am currently earning X amount and my salary expectations are Y amount.
• Mention your current CTC (Cost to Company)

• Clearly state your salary expectations

• Consider factors like experience, industry standards, and job responsibilities when stating salary expectations
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Q5. What are your reasons for wanting to leave your current company?
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for new challenges and learning opportunities

• Limited growth potential in current role

• Seeking a more innovative and dynamic work environment
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Q6. What inputs do you collect during a site visit for the assessment of existing switchgear when considering the retrofit of circuit breakers?
Ans. 
During a site visit for assessing existing switchgear for retrofitting circuit breakers, inputs collected include equipment specifications, condition, age, and load requirements.
• Collect equipment specifications such as voltage rating, current rating, and interrupting capacity.

• Assess the condition of the existing switchgear to determine if it can accommodate the new circuit breakers.

• Consider the age of the switchgear to...read more
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Q1. Tell me about yourself.
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Q2. What are your reasons for wanting to leave your current company?
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for new challenges and learning opportunities

• Limited growth potential in current role

• Seeking a more innovative and dynamic work environment
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Q3. What are your reasons for wanting to change your career?
Ans. 
Seeking new challenges and opportunities for growth in a field that aligns more closely with my interests and skills.
• Desire for new challenges and opportunities

• Interest in pursuing a career that aligns better with skills and passions

• Seeking professional growth and development

• Exploring a field with more potential for advancement

• Wanting to broaden knowledge and experience in a different industry
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Q4. What is your current Cost to Company (CTC), and what is your expected CTC?
Ans. 
My current CTC is $80,000 per year, and my expected CTC is $90,000 per year.
• Current CTC: $80,000 per year

• Expected CTC: $90,000 per year

• Reasons for expecting increase in CTC (if applicable)
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Q5. Are you open to relocation?
Ans. 
Yes, I am open to relocation for the right opportunity.
• I am willing to relocate for the right job opportunity that aligns with my career goals.

• I am open to exploring new locations and experiencing different cultures.

• I understand that relocation may be necessary for career advancement and growth.
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Q1. Question on Autocad
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Q2. Question on Automatic Transfer Switch
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Q3. Typer of Automatic Transfer switch
Ans. 
Automatic Transfer Switches are devices used to automatically switch power sources in case of a power outage.
• Types of automatic transfer switches include open transition, closed transition, and delayed transition.

• Examples of automatic transfer switch manufacturers include Generac, Eaton, and Schneider Electric.

• Automatic transfer switches are commonly used in backup power systems for critical facilities like hospitals,
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Q4. Purge command, layers
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Q5. Load bank related questions
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Q1. Power factor correction
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Q2. Working of circuit breaker
Ans. 
Circuit breakers are electrical switches designed to protect electrical circuits from damage caused by overload or short circuit.
• Circuit breakers automatically trip when they detect an overload or short circuit in the electrical system.

• They interrupt the flow of electricity to prevent damage to the circuit or electrical devices.

• Circuit breakers can be reset manually after tripping to restore power to the circuit.

• There ...read more
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30min test from core subject

Usual GD on a relevant topic, everyone gets the opportunity to talk. Make relevant points and stick on to your opinion.

Q1. Complex technical questions from core subjects, application level questions should be expected.
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Q1. MR+HR round combined.
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About power system control system

Present trends and tgey willgive 10 min to think and note down

Q1. About resume get good knowledge of what you have put in resume
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Q2. And basic electricals
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Q1. Based on your previous jobs
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