Siemens Mechanical Engineer Interview Questions and Answers

Q1. Geometry Dimensions & Tolerances
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Q1. Package discussion
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Easy but took time questions were direct as well as indirect

Q1. Introduce your self
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Q2. Showcase your skills
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Q1. Asking about manufacturing process.
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Q2. Plastic mold sheet metal manufacturing
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Q3. Cost and estimation how to calculate
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Cost and estimation are calculated by analyzing project requirements, materials, labor, and overhead costs.
• Determine project requirements and scope

• Identify necessary materials and their costs

• Estimate labor costs based on project timeline and required skillset

• Calculate overhead costs such as rent, utilities, and insurance

• Consider any potential risks or unforeseen expenses

• Use software tools such as Excel or specialized c...read more
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Q4. How to calculate cycle time for cnc machining
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Cycle time for CNC machining can be calculated using the formula: cycle time = (total cutting time + tool change time + setup time + inspection time) / total parts
• Total cutting time is the time taken to complete the machining process for one part

• Tool change time is the time taken to change the tool between different operations

• Setup time is the time taken to set up the machine for the machining process

• Inspection time is...read more
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Q1. Asked about the resume
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Q2. Pneumatic and cero asked and resume
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Q1. Gd&t details and use
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GD&T stands for Geometric Dimensioning and Tolerancing. It is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

• It helps ensure that parts fit together properly and function as intended.

• GD&T symbols include position, concentricity, perpendicularity, and more.

• It is commonly used in mechanical engineering design ...read more
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Q2. Types of mfg proceed
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Types of manufacturing processes include casting, machining, forming, joining, and additive manufacturing.
• Casting: involves pouring molten material into a mold to create a desired shape (e.g. sand casting, die casting)

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

• Forming: involves shaping a material without removing any material (e.g. forging, stamping)

• Joining: involv...read more
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Q3. Conveyor Type and whereto use
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Conveyor types include belt, roller, chain, and screw conveyors, each suitable for different applications.
• Belt conveyors are commonly used for moving large volumes of materials over long distances.

• Roller conveyors are ideal for handling heavy loads and are commonly used in warehouses and distribution centers.

• Chain conveyors are suitable for moving products through inclines or declines.

• Screw conveyors are used for trans...read more
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It's a mathematical test. It test your sharpness.

Q1. This round will be of minimum 45 min. Fully technical.
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Q1. About your personal life.
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Maths, reasoning, English, mechanical engineering

Q1. General hr questions
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Q2. General hr questions
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