MN Dastur & Company Electrical Engineer Interview Questions and Answers

Q1. Genaral questions about pas work experience
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Q1. Questions related to work were asked and personal family details were also asked
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Q1. About compensation and time of joining only
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Q1. Pellet plant maintenance work
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Q2. Pellet plant working procedure
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Pellet plant is a facility that transforms raw materials into pellets through a series of processes like grinding, drying, and compressing.
• Raw materials such as wood chips or sawdust are fed into the plant

• The raw materials are ground into a fine powder

• The powder is then dried to remove moisture

• The dried powder is compressed into pellets using a pellet press

• The pellets are cooled and screened to ensure quality

• The final ...read more
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Q3. Cooler car plate replacement work
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Replacing cooler car plates involves removing old plates, cleaning the area, and installing new plates securely.
• Remove old cooler car plates carefully to avoid damaging surrounding components

• Clean the area thoroughly before installing new plates to ensure proper adhesion

• Securely install new cooler car plates to prevent any leaks or malfunctions
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Q4. Kil girth gear reverse process
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The reverse process of kiln girth gear involves disassembling, inspecting, repairing, and reassembling the gear to ensure proper functioning.
• Disassemble the girth gear carefully to inspect for any damage or wear

• Repair or replace any worn or damaged components

• Reassemble the gear ensuring proper alignment and torque specifications

• Perform testing to ensure the gear functions correctly after reassembly
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Q1. Filed related questions
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Q2. Past experience and future planning
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Q1. Last plant salary
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Q1. Ask about technical project done during my b.tech
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Q1. Why should we hire you?
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I have extensive experience in senior engineering roles and a proven track record of delivering high-quality results.
• I have a deep understanding of complex engineering concepts and can apply them effectively in real-world scenarios.

• I have successfully led and managed teams, ensuring efficient collaboration and achieving project goals.

• I consistently stay updated with the latest industry trends and technologies, allowing...read more
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Q2. Why are you looking for a change?
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Seeking new challenges and growth opportunities in a different organization.
• Looking for a more challenging role

• Seeking professional growth and development

• Interested in exploring new technologies and industries

• Want to work in a different organizational culture

• Seeking better work-life balance
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Q3. Share details of your previous job.
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I worked as a Senior Engineer at XYZ Company.
• Led a team of engineers in developing and implementing new software solutions.

• Collaborated with cross-functional teams to ensure project success.

• Designed and implemented scalable and efficient code.

• Performed code reviews and provided technical guidance to junior engineers.

• Successfully delivered multiple projects on time and within budget.

• Implemented best practices and optimi...read more
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Q1. Explain about transformer and its components
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Q2. Explain about photovoltaic cell
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Q3. Explain about inverters
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Q4. Which electrical components are placed in grid substation
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Q1. I am working from Grid sub station . Transformer... CT PT CVT EARTHING PTW
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Q2. All about 132 kv Gss
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Hard work versus smart work.

Q1. Why power plug earth wire is bigger in size?
Ans. 
The power plug earth wire is bigger in size to ensure safety and prevent electrical shocks.
• The earth wire provides a path for the current to flow in case of a fault or short circuit.

• A larger wire size reduces resistance and allows for the safe dissipation of excess current.

• It helps to protect individuals and equipment from electric shock hazards.

• The earth wire is connected to the ground, which acts as a reference point...read more
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Q2. Which conductor of same size will take larger current Al or Cu?
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Copper (Cu) conductor will take larger current than Aluminum (Al) conductor of the same size.
• Copper has a higher electrical conductivity than Aluminum.

• Copper has a lower resistivity than Aluminum.

• Copper has better thermal conductivity than Aluminum.

• Copper is more commonly used in high-current applications.

• Aluminum is often used in overhead power transmission lines due to its lighter weight.
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Q3. What is pulse width modulation in VFD?
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Pulse width modulation (PWM) is a technique used in VFD to control the speed of the motor by adjusting the width of the pulses of voltage supplied to the motor.
• PWM is a method of controlling the amount of power delivered to a load without changing the voltage level.

• In VFD, PWM is used to control the speed of the motor by varying the width of the pulses of voltage supplied to the motor.

• The width of the pulses is control...read more
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Q1. Dol and star delta wiring scheme
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DOL (Direct-On-Line) and star delta are two different wiring schemes used in electrical engineering for starting induction motors.
• DOL wiring directly connects the motor to the power supply for starting, while star delta wiring initially starts the motor in star configuration and then switches to delta configuration for running.

• DOL wiring is simpler and cheaper but causes high starting current, while star delta wiring r...read more
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