MM Forgings Mechanical Engg. Design Interview Questions and Answers

TCS based questions

Good knowledge of the communicate

Q1. Engineering design
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General questions from graduation subjects & questions from Quantitative aptitude. Overall paper difficulty was at medium level.

Q1. Introduce yourself. Different types of measuring instruments & their applications, least count.
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Q2. Project details done in graduation last semester.
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Q3. Applications of measuring instruments.
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Measuring instruments are used in various applications to accurately measure physical quantities.
• Quality control in manufacturing processes

• Monitoring and controlling environmental conditions

• Testing and calibration of equipment

• Research and development

• Process optimization and efficiency improvement

• Data collection and analysis

• Safety and hazard detection

• Medical diagnostics and patient monitoring
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Q4. Different types of castings & their uses.
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Different types of castings & their uses
• Sand casting: used for large and complex shapes like engine blocks

• Investment casting: used for intricate and detailed parts like jewelry

• Die casting: used for high-volume production of small to medium-sized parts like car components

• Centrifugal casting: used for cylindrical shapes like pipes and tubes

• Continuous casting: used for producing long and continuous shapes like steel bille
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Q5. Manufacturing processes & their applications.
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Manufacturing processes are techniques used to transform raw materials into finished products.
• Casting: pouring molten metal into a mold to create a solid object (e.g. automotive engine blocks)

• Machining: removing material from a workpiece using cutting tools (e.g. CNC milling)

• Forming: shaping materials through deformation (e.g. sheet metal bending)

• Joining: combining multiple parts into a single entity (e.g. welding)

• Addi...read more
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Q6. Difference between first and third angle projection in mechanical drawings.
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First angle projection and third angle projection are two different methods used in mechanical drawings to represent a 3D object on a 2D plane.
• First angle projection is commonly used in Europe and Asia, while third angle projection is commonly used in North America.

• In first angle projection, the object is placed in the first quadrant and the views are projected onto the planes surrounding the object.

• In third angle proj...read more
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Q1. Introduce your self
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Q2. What is the use of accumulator in tube mill
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Accumulator in tube mill is used to store and regulate the flow of strip during continuous production.
• Accumulator helps in maintaining a constant speed of the tube mill by storing excess strip during high-speed operation and releasing it during low-speed operation.

• It also helps in reducing the number of welds required in the production process by allowing continuous feeding of strip into the mill.

• Accumulators can be of...read more
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Q1. Shaft daimeter 40 mm wy bearings no
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Q2. Ferro silicon melting point wy
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Q3. Which composition is a ci casting
Ans. 
CI casting refers to cast iron casting, which is made from a composition of iron, carbon, and silicon.
• CI casting stands for cast iron casting.

• It is made from a composition of iron, carbon, and silicon.

• The carbon content in CI casting is typically between 2.1% and 4%.

• The silicon content in CI casting is typically between 1% and 3%.

• CI casting is known for its excellent castability, good machinability, and high wear resis
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Q4. High crome metal pouring temperature
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The pouring temperature of high chrome metal is typically between 1,600 to 1,800 degrees Celsius.
• High chrome metal is commonly used in applications that require high temperature resistance and corrosion resistance.

• The pouring temperature is crucial to ensure proper flow and solidification of the metal.

• The specific pouring temperature may vary depending on the exact composition of the high chrome metal and the desired p...read more
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Q5. Maild steel campotion
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Q1. 1. Least count of different scales like vernier calliper, micrometer etc
Ans. 
The least count of vernier caliper is 0.02 mm and that of micrometer is 0.01 mm.
• Least count of vernier caliper is 0.02 mm

• Least count of micrometer is 0.01 mm

• Least count is the smallest measurement that can be read on the scale

• It is important to know the least count for accurate measurements
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Q2. What is metal? Types of metals and there chemical composition.
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Metals are elements that have high electrical conductivity, luster, and malleability.
• Metals are typically solid at room temperature, except for mercury which is a liquid.

• Common types of metals include iron, copper, aluminum, gold, silver, and zinc.

• Metals can be classified as ferrous or non-ferrous based on their iron content.

• The chemical composition of metals varies depending on the specific element, but they all have ...read more
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Q1. Family details, previous experience if any, if fresher than what were the scores of qualifications
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Q1. Previous company working experience
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Worked as a design engineer at XYZ Company for 3 years.
• Designed and developed new products according to client specifications

• Collaborated with cross-functional teams to ensure project success

• Utilized CAD software for creating detailed designs

• Participated in product testing and validation processes
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Q1. What can you tell me about the materials used in your field?
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Materials in design engineering vary widely, including metals, polymers, ceramics, and composites, each with unique properties and applications.
• Metals: Steel and aluminum are commonly used for their strength and durability in structural applications.

• Polymers: Plastics like ABS and nylon are favored for their lightweight and corrosion-resistant properties.

• Ceramics: Used in applications requiring high heat resistance, su...read more
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Q2. Are you knowledgeable about machine design?
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Yes, I have a solid understanding of machine design principles and applications across various industries.
• Familiar with design principles like stress analysis and fatigue.

• Experience with CAD software such as SolidWorks and AutoCAD.

• Knowledge of materials selection for different applications, e.g., using titanium for lightweight structures.

• Understanding of mechanisms, such as gears and linkages, for motion transfer.

• Exper...read more
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Q3. About CAD design
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Q4. Asked calculations
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