Lakshmi Machine Works Senior Design Engineer Interview Questions and Answers

Q1. What is transformer differential protection, and how is current transformer (CT) sizing determined?
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Q2. What is unbalanced protection in electrical systems?
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Q3. Is the use of a smartphone camera flasher permitted while assessing old switchgears for modernization?
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Q4. What is your current CTC, and what are your salary expectations?
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Q5. What are your reasons for wanting to leave your current company?
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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?
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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?
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Q3. What are your reasons for wanting to change your career?
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Q4. What is your current Cost to Company (CTC), and what is your expected CTC?
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Q5. Are you open to relocation?
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Q1. What is the casting solidification time?
Ans. 
Casting solidification time is the duration it takes for molten metal to solidify in a casting process.
• Casting solidification time depends on factors like material type, mold temperature, and casting geometry.

• Higher pouring temperatures generally result in shorter solidification times.

• Thicker sections of the casting will take longer to solidify compared to thinner sections.

• Aluminum alloys typically have shorter solidif
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Q2. How you decide the parting line?
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Q3. What are the Casting design consideration?
Ans. 
Casting design considerations include material selection, part geometry, draft angles, surface finish, and shrinkage.
• Material selection is crucial for the desired properties and performance of the final part.

• Part geometry should be designed to minimize stress concentrations and ensure proper flow of molten metal.

• Draft angles are necessary for easy removal of the part from the mold.

• Surface finish requirements should be ...read more
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Q4. Current and previous work experience.
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CAD test-Housing model

Q1. About your self
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Steam engineering knowledge on steam products

Q1. What is steam engineering
Ans. 
Steam engineering involves the design, operation, and maintenance of systems that utilize steam for various industrial applications.
• Involves designing steam systems for power generation, heating, and industrial processes

• Requires knowledge of thermodynamics, fluid mechanics, and heat transfer

• Includes maintenance of boilers, steam turbines, and piping systems

• Examples: steam power plants, steam heating systems in building
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Q1. I was selected for autocad plant 3d designer. Basic pump related questions were asked. Was asked to draw pump suction and discharge piping with its components.
Ans. Tool test involved basic drafting activity.
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Was asked for drafting support

Q1. Thought it was a interview for the post of design engineer but interviewer was interested to pointing out personal details in an unmannered way. In a 12 out of 15 minute of total time span during interview...read more
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Q2. They ask questions from irrelevant subjects not from required skills one needed for job role
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Q1. Engine basic questions
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Q2. Flywheel used in a engine
Ans. 
A flywheel is a mechanical device used in engines to store rotational energy and smooth out fluctuations in engine speed.
• Flywheels are typically made of steel or aluminum and are attached to the engine's crankshaft.

• They store energy during the power stroke and release it during the compression stroke to keep the engine running smoothly.

• Flywheels are also used in hybrid vehicles to store energy from regenerative braking...read more
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Q3. Used of flywheel, crankcase, AVM pre filter
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Flywheel, crankcase, and AVM pre filter are components used in internal combustion engines.
• Flywheel stores rotational energy and helps maintain engine speed during power strokes.

• Crankcase houses the crankshaft and other engine components.

• AVM pre filter is used to remove larger particles from the air before it enters the engine.

• These components are essential for the proper functioning of internal combustion engines.
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Q1. Overall need check What's your career expectations
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Q2. Are you okay for traveling?
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