Bihar Public Service Commission Assistant Professor in Mechanical Engineering Department Interview Questions, Process, and Tips

GATE level qn in Engineering Maths & Mechanical engineering.

Q1. Types of Manufacturing Systems
Ans. 
Manufacturing systems are classified into four types: job shop, batch, mass production, and continuous.
• Job shop manufacturing involves producing custom-made products in small quantities.

• Batch manufacturing produces a group of similar products in a specific quantity.

• Mass production focuses on producing large quantities of standardized products.

• Continuous manufacturing involves the uninterrupted production of goods, typi...read more
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Q2. Types of Robotic Arm
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Robotic arms can be classified into several types based on their structure and application.
• Cartesian/Gantry robotic arm

• Cylindrical robotic arm

• Spherical/Polar robotic arm

• Articulated robotic arm

• SCARA robotic arm

• Collaborative robotic arm

• Mobile robotic arm
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Q3. Why in India we don't have high speed trains like Japan & china.
Ans. 
India doesn't have high speed trains like Japan and China due to various reasons.
• Lack of infrastructure: India's railway infrastructure is not designed to support high speed trains.

• Cost considerations: Building and maintaining high speed train networks require significant investment.

• Population density: India's high population density makes it challenging to acquire land for new railway lines.

• Technological challenges: D...read more
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Q4. What alternative being used now a days to the gap given between rail ends which were used earlier to compensate for linear expansion?
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Continuous welded rail (CWR) is used to compensate for linear expansion in place of the gap given between rail ends.
• Continuous welded rail (CWR) is a method where the rails are welded together to form a continuous track.

• CWR eliminates the need for expansion gaps between rail ends.

• The expansion and contraction of the rails due to temperature changes are accommodated by the flexibility of the CWR.

• CWR provides a smoother ...read more
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Q5. How many degree of freedoms are possible for a robotic arm.
Ans. 
The number of degrees of freedom for a robotic arm depends on its design and complexity.
• The number of degrees of freedom refers to the number of independent movements a robotic arm can make.

• A simple robotic arm with a single joint has one degree of freedom, allowing it to move in one direction.

• A more complex robotic arm with multiple joints can have multiple degrees of freedom, allowing it to move in multiple direction...read more
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Q6. Rails come under which type of steel?
Ans. 
Rails come under the category of structural steel.
• Rails are typically made of carbon steel or alloy steel.

• They are used in the construction of railway tracks.

• Rails need to have high strength, durability, and resistance to wear and tear.

• Examples of steel used for rails include ASCE 60, UIC60, and BS 113A.
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Q7. From where did you complete your m.tech?
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