J P Machine Tools Interview Questions and Answers

Q1. Witch type transformer use in elevator?
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Q2. Difference in open loop or close loop
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Q1. Group discussion
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Q2. Hr round and discussion
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Q3. Technical round and injection moulding related any questions
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Q1. Tell me about your self
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Q2. What is difference between diesel engine and petrol engine
Ans. 
Diesel engines use compression ignition while petrol engines use spark ignition.
• Diesel engines use compression ignition, where the fuel-air mixture is compressed until it spontaneously ignites.

• Petrol engines use spark ignition, where a spark plug ignites the fuel-air mixture.

• Diesel engines are more fuel efficient than petrol engines.

• Petrol engines generally have higher power output compared to diesel engines.

• Diesel eng...read more
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Q1. What is the value of CPK
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CPK is a statistical measure used to assess the capability of a process to produce output within specification limits.
• CPK is calculated using the formula: CPK = (USL - LSL) / (6 * standard deviation)

• A CPK value greater than 1 indicates that the process is capable of producing within specification limits

• A CPK value less than 1 indicates that the process may not be capable of consistently producing within specification l
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Q2. What is Ra in roughnes tester
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Ra in roughness tester is the average roughness value of the surface profile within a specified sampling length.
• Ra is a parameter used to quantify the roughness of a surface.

• It is calculated as the arithmetic average of the absolute values of the profile heights over the evaluation length.

• Ra provides a measure of the deviation of the surface profile from the mean line.

• It is commonly used in industries such as manufactu...read more
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Q3. What is 7Qc tool and how you used it in daily routine?
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7QC tools are a set of quality control tools used for process improvement and problem-solving in quality management.
• Check sheets: Used to collect and analyze data in a systematic way.

• Histograms: Used to show frequency distribution of a process.

• Pareto charts: Helps identify the most significant factors contributing to a problem.

• Cause-and-effect diagrams: Used to identify and analyze potential causes of a problem.

• Scatter...read more
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Q4. 8D methodology and projects on it
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The 8D methodology is a problem-solving approach used in quality management to identify, correct, and prevent recurring problems.
• The 8D methodology consists of 8 steps: D0 - Plan, D1 - Team Formation, D2 - Problem Description, D3 - Interim Containment Action, D4 - Root Cause Analysis, D5 - Permanent Corrective Action, D6 - Prevent Recurrence, D7 - Recognize Team Effort, D8 - Closure and Team Disbandment

• It is commonly u...read more
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Q5. Previous working related
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Q1. Manufacturing department
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Q2. Manpower handle
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Q3. Daily target production
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Q1. How does a CNC machine works?
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A CNC machine works by using computer programs to control the movement of the machine's tools and workpiece to create precision parts.
• CNC machines use computer programs to control the movement of the cutting tools and workpiece.

• The programs are created using CAD/CAM software and converted into G-code instructions.

• The machine reads the G-code instructions and moves the tools along the specified paths to cut and shape th...read more
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Q1. Why concentrix join?
Ans. It's my personal skills development and my professional experience growth.
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Q2. What about concentrix?
Ans. 
Concentrix is a global business services company specializing in customer engagement and improving business performance.
• Concentrix offers a wide range of services including customer care, technical support, and analytics.

• They have a global presence with operations in multiple countries.

• Concentrix is known for its focus on innovation and technology in delivering customer solutions.
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Q3. Why are you hiring
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Q4. It's my good working and customer support service.
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Q5. What is concencentrix work ?
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Concentrix is a global business services company specializing in customer engagement and improving business performance.
• Concentrix provides customer care, technical support, and sales services for various industries.

• They use technology and analytics to enhance customer interactions and drive business growth.

• Concentrix has a global presence with operations in multiple countries.

• They focus on delivering exceptional custo...read more
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Q6. Tell me about your knowledge of our company?
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Q7. How do you feel about this company?
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Q1. Overall equipment effectiveness
Ans. 
Overall equipment effectiveness (OEE) is a measure of how well a manufacturing process is performing.
• OEE is calculated by multiplying availability, performance, and quality rates.

• It helps identify areas for improvement in production processes.

• Example: If a machine has an availability of 90%, performance of 95%, and quality of 98%, the OEE would be 83.7%.
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Q2. Product development
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Technical questions, simple apptitude

Q1. Strngth of material
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Strength of materials refers to the study of the behavior of solid objects under various types of forces.
• Strength of materials involves analyzing how materials deform and break under different loads.

• It is important in designing structures and machines to ensure they can withstand the expected forces.

• Examples include calculating the maximum stress a beam can handle before bending or determining the fatigue life of a met...read more
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Q2. Self introduction
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