Roop Polymers PPC Engineer Interview Questions and Answers

Verbal, quantitative and reasoning

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Q1. Basic to intermediate about core subject
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Q1. Not qualified for HR round
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Q1. Ball screw and LM guard type and work
Ans. 
Ball screws are used for converting rotational motion into linear motion, while LM guides are used for guiding linear motion.
• Ball screws use ball bearings to reduce friction and increase efficiency in converting rotational motion into linear motion.

• LM guides use linear motion bearings to provide smooth and precise linear motion guidance.

• Ball screws are commonly used in CNC machines, robotics, and other precision machin...read more
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Q2. Ball screw and magachine and spindle motor removed process
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Q1. Previous company salery details
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Q1. Ball screw remove process
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Q2. LM guard and LM rail remove process
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Q1. What is 7 waste lage of production ?
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The 7 wastes of production are categories of waste that can occur in manufacturing processes.
• Transportation: Unnecessary movement of materials or products

• Inventory: Excess inventory leading to storage costs and potential waste

• Motion: Unnecessary movement of workers

• Waiting: Idle time during production processes

• Overproduction: Producing more than needed

• Overprocessing: Using more resources than necessary

• Defects: Errors le
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Q2. What is lean manufacturing ?
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Lean manufacturing is a production method focused on minimizing waste and maximizing efficiency.
• Focuses on eliminating waste in all forms, including time, materials, and resources

• Involves continuous improvement and problem-solving to streamline processes

• Emphasizes value creation for the customer

• Utilizes tools such as 5S, Kanban, and Kaizen

• Promotes a culture of employee involvement and empowerment
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Q3. What is kiazen and how many type of kiazen?
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Kaizen is a Japanese term meaning continuous improvement. There are several types of Kaizen, including Gemba Kaizen, Flow Kaizen, and Process Kaizen.
• Kaizen is a Japanese business philosophy focused on continuous improvement.

• Gemba Kaizen involves making improvements at the workplace where the work is done.

• Flow Kaizen focuses on improving the flow of work or processes.

• Process Kaizen involves making improvements to specif
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Ic engine , thermodynamics

Q1. HOW PISTONS ARE CREATED
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Pistons are created through a manufacturing process that involves casting, machining, and assembly.
• Pistons are typically made from aluminum alloy or cast iron.

• The manufacturing process starts with casting, where molten metal is poured into a mold to form the piston shape.

• After casting, the piston undergoes machining to achieve the desired dimensions and surface finish.

• Machining processes include turning, milling, drill...read more
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Q1. Myself related question
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Like that behaviour company experience grooming

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Checking my technical skills and knowledge

Q1. Technical technical skills personal skills and company related questions
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