HCLTech Lead Mechanical Engineer Interview Questions and Answers

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Q1. What is Accenture
Ans. 
Accenture is a global professional services company providing strategy, consulting, digital, technology, and operations services.
• Global professional services company

• Offers strategy, consulting, digital, technology, and operations services

• Works with clients across various industries
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Q2. What is AutoCAD
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AutoCAD is a computer-aided design software used by engineers and architects to create 2D and 3D drawings and models.
• AutoCAD is widely used in various industries such as architecture, engineering, and construction.

• It allows users to create precise drawings and models with tools like lines, circles, and arcs.

• Users can also add dimensions, annotations, and text to their designs.

• AutoCAD supports both 2D and 3D design capa...read more
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Q3. What is contributing
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Contributing factors in mechanical engineering involve various elements that impact the design, development, and operation of mechanical systems.
• Materials used in construction

• Environmental conditions

• Budget constraints

• Regulatory requirements

• Technological advancements

• Safety considerations
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Q4. What is ambition
Ans. 
Ambition is a strong desire to achieve something, often accompanied by determination and hard work.
• Ambition is the driving force behind setting and achieving goals.

• It involves a strong desire to succeed and willingness to put in the necessary effort.

• Ambition can lead to personal growth, career advancement, and overall success.

• Examples include striving for a promotion at work, starting a business, or pursuing higher edu...read more
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Q5. What is CATIA example briefly
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CATIA is a CAD software used for designing and engineering in various industries.
• CATIA is a powerful 3D modeling software used in industries like automotive, aerospace, and manufacturing.

• It allows engineers to design, simulate, and analyze products before they are physically created.

• CATIA can be used for creating complex surfaces, assemblies, and detailed drawings.

• It is commonly used for designing cars, airplanes, and ...read more
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Q1. What is stress strain curve
Ans. 
Stress strain curve shows the relationship between stress (force applied) and strain (resulting deformation) in a material.
• It is a graphical representation of the behavior of a material under loading.

• The curve typically consists of elastic, plastic, and fracture regions.

• The slope of the curve in the elastic region is the material's Young's Modulus.

• The ultimate tensile strength and yield strength can be determined from ...read more
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Q2. What is the process of production
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The process of production involves converting raw materials into finished products through various stages.
• Designing the product based on requirements and specifications

• Selecting materials and components needed for production

• Manufacturing the product using machinery and tools

• Testing and quality control to ensure the product meets standards

• Packaging and distribution of the finished product
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Displacement velocity and acceleration diagram when the followers moves with simple harmonic motion

Q1. What is surface
Ans. 
Surface refers to the outermost layer or boundary of an object or material.
• Surface is the area that is exposed to the surrounding environment.

• It can be smooth, rough, porous, reflective, or absorbent.

• Examples include the surface of a table, the skin's surface, or the surface of a lake.
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Q2. What is hardness
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Hardness is a measure of a material's resistance to deformation, scratching, or abrasion.
• Hardness is a physical property of materials.

• It is typically measured using tests like the Mohs scale for minerals or the Rockwell scale for metals.

• Materials with higher hardness values are more resistant to wear and scratching.

• Hardness can be influenced by factors such as composition, microstructure, and processing.

• Examples of har...read more
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Q1. Runout of the shaft and tolerance
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Runout of the shaft refers to the amount of deviation from a true circular path, while tolerance is the acceptable range of variation in dimensions.
• Runout of the shaft is the amount by which a shaft deviates from a true circular path when it rotates.

• Tolerance is the acceptable range of variation in dimensions for a part or component.

• Runout can be measured using tools like dial indicators or laser alignment systems.

• Tole...read more
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Q1. GD&T symbols and it's benifits
Ans. 
GD&T symbols are used to communicate design intent and specifications in engineering drawings.
• GD&T symbols help to clearly define the geometric characteristics of a part, such as flatness, perpendicularity, and concentricity.

• They ensure consistency and accuracy in manufacturing processes by providing a universal language for communicating design requirements.

• GD&T symbols help to reduce ambiguity and interpretation erro...read more
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Q1. What is the lath machine ,what is milling machine
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A lathe machine is used to shape metal or wood by rotating it against a cutting tool. A milling machine is used to cut and shape solid materials.
• Lathe machine rotates the workpiece while the cutting tool remains stationary

• Milling machine uses a rotating cutting tool to remove material from a stationary workpiece

• Lathe machine is used for turning, drilling, facing, and threading operations

• Milling machine is used for cutt...read more
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Q2. What is transformer ,what is cnc machine
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. A CNC machine is a computer-controlled machine tool used for cutting various materials.
• Transformers are used to step up or step down voltage levels in electrical circuits.

• CNC machines use computer programs to control the movement of cutting tools.

• Transformers are commonly used in power ...read more
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Engineering core sub

Q1. Stress and strain curve
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Q2. Material knowledge
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