Sepadu Tech Mechanical Engineer Interview Questions and Answers

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. What are the materials used in Aero-Engines
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Materials used in Aero-Engines include titanium, nickel-based superalloys, and composites.
• Titanium is used for components like compressor blades and discs due to its high strength-to-weight ratio.

• Nickel-based superalloys are used for high temperature components like turbine blades.

• Composites, such as carbon fiber reinforced polymers, are used for fan blades and other parts to reduce weight and improve fuel efficiency.
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Q2. Difference Concentricity and Run Out
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Concentricity is the condition where two or more features share a common center point, while run out is the amount of deviation from true circularity of an object.
• Concentricity refers to the tolerance of the center point of a feature relative to another feature or axis.

• Run out is the measurement of how much a part deviates from a true circular path when rotated around an axis.

• Concentricity is important for ensuring pro...read more
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Q1. What is auto mobile? Ans Auto mobile is self profil vehicle which dails good around the passenger with Ono please to another please.
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Q2. Types of fit? Ans-According to ISI system fit are deivde in two three parts provide 1 clearance fit. 2 Interference fit 3 transition fit.
Ans. 
Types of fits include clearance fit, interference fit, and transition fit.
• Clearance fit: parts are intended to have a gap between them

• Interference fit: parts are intended to be pressed or forced together

• Transition fit: parts have a combination of clearance and interference fit

• ISI system divides fits into these three categories

• Fits are important in ensuring proper functioning of mechanical systems
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Q3. What is tollerance? Ans-The permissable very action of a size is called tollerance.
Ans. 
Tolerance is the allowable variation in a dimension or measurement.
• Tolerance is important in engineering to ensure that parts fit together properly and function as intended.

• It is usually expressed as a range of acceptable values, such as +/- 0.1mm.

• Tolerance can be affected by factors such as manufacturing processes, materials, and design requirements.

• Tolerance can also be used to control the fit and clearance between m...read more
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Q4. What is fits? Ans-The relationship between two matting parts is known as fit.
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Q5. Types of sefety? Ans-Safety are three types 1 personal safety 2 General safety 3 Machine sefety.
Ans. 
There are three types of safety: personal safety, general safety, and machine safety.
• Personal safety involves protecting oneself from harm or injury.

• General safety pertains to the safety of the environment and people around us.

• Machine safety involves ensuring that machines are safe to operate and do not pose a threat to workers.

• Examples of personal safety measures include wearing protective gear, such as helmets and gl...read more
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Q1. Welding karna aata hai? Welding kaise karte hain.
Ans. Ji. Sir Kachcha mal or weld dhatu ke beech me 3-5 mm ki doori banakar holder ki sahayata se 2 bhag ko apas me joda jata hai.
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Q2. Gas cutting kaisekarte hain?
Ans. Gas cutting me nozzle ka mahatva poorn kam hota hai. nozzle size 64,32,16,8 hota hai. Kachche mal ke or cutting torch ke beech me 5-10 mm ka gap banakar torch drive karne par cutting a6i hoti hai.
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Q1. Pattern features in creo
Ans. 
Pattern features in Creo allow for creating repetitive geometry in a design.
• Pattern features can be linear, circular, or mirror patterns.

• Linear patterns create copies of a feature along a straight path.

• Circular patterns create copies of a feature around a center point.

• Mirror patterns create copies of a feature mirrored across a plane.

• Pattern features help save time and maintain design consistency.
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Q2. Family table in creo
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Family table in Creo allows for creating multiple variations of a part or assembly within a single file.
• Family table is a feature in Creo Parametric that allows for creating multiple instances of a part or assembly with different dimensions or parameters.

• It helps in managing different configurations of a design within a single file, reducing the need for multiple files for variations.

• Users can define different values f...read more
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Q1. About yourself and your experience
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Q2. Your experience and knowledge
Ans. 
I have 5 years of experience in mechanical engineering with a focus on designing and testing automotive components.
• Designed and tested various automotive components such as suspension systems, engine parts, and cooling systems

• Utilized CAD software to create detailed designs and simulations

• Worked closely with manufacturing teams to ensure designs were feasible and cost-effective

• Performed stress and thermal analysis on c...read more
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