Minebea Intec india Mechanical Engg. Design Interview Questions and Answers

Q1. 1) Explain your past experience in brief What problem you have faced in past and how you tackle the . 2) Basic related to technical drawing reading 3) In depth knowledge of GD&T 4) draw missing view of par...read more
Ans. 
Answering questions related to past experience, technical drawing reading, GD&T, CAD knowledge, material properties, and heat treatment process.
• In my past experience, I have worked on various mechanical design projects, including designing and optimizing machine components.

• One problem I faced was designing a complex assembly with tight space constraints. I tackled this by using CAD software to create virtual prototypes...read more
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Q1. Mostly taken by senior manager You have to prepare very basic things General mathematics, Trigonometry Basic calculations for pressure SOM etc
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Q1. General questions Your expectations
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Q1. All technical questions related to compressor & experience. It is up to 1 hr.
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Q1. Technical questions related to mechanical engg & it is also continued for 1 hr
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Q1. I am getting shocked because it was HR round but they have asked all technical questions, feels like 3rd technical round.
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Q1. How to calculate Boiler direct & indirect efficiency ?
Ans. 
Boiler efficiency can be calculated by measuring the heat input and heat output of the boiler.
• Calculate the heat input by measuring the fuel flow rate, fuel calorific value, and fuel consumption.

• Calculate the heat output by measuring the steam flow rate and steam enthalpy.

• Direct efficiency = (Heat output / Heat input) * 100%

• Indirect efficiency = Direct efficiency * Boiler efficiency of other components (like economizer
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Q2. What is the monthly maintenance cost of your section ?
Ans. 
The monthly maintenance cost of my section is approximately $10,000.
• The monthly maintenance cost includes expenses for spare parts, labor, equipment rental, and utilities.

• Regular maintenance tasks such as lubrication, inspections, and repairs contribute to the overall cost.

• Cost may vary depending on the size of the section, age of equipment, and frequency of maintenance activities.
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Q1. About resource development and manufacturing product
Ans. When any new product you want to make then first all you have to know how to make then that product design in software and make sample
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Q2. The resource of development is experience and knowledge about simulation and design software
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20 questions were asked from English and Aptitude.

Q1. Questions from strength of Material, TOM were asked.
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Q2. Strength and weakness
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Q3. Questions from project
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Q1. TIG full f from ? What is the current?
Ans. 
TIG welding uses a tungsten electrode to create a weld. The current used depends on the material being welded.
• TIG stands for Tungsten Inert Gas welding

• The current used in TIG welding can vary depending on the material thickness and type

• For thin materials, lower currents are typically used, while thicker materials require higher currents

• The current can range from 5 to 400 amps in TIG welding
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