Mantena Group Mechanical Engineer Interview Questions and Answers for Experienced

Q1. IS codes
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Q1. How do you like this company?
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Q2. What what are you biggest dream in company
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Q1. What is the different type of pumps
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Different types of pumps include centrifugal pumps, reciprocating pumps, and rotary pumps.
• Centrifugal pumps use a rotating impeller to increase the pressure of a fluid.

• Reciprocating pumps use a piston or diaphragm to displace the fluid.

• Rotary pumps use rotating mechanisms to move the fluid, such as gear pumps or screw pumps.
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Q2. Define between HP motors
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HP motors refer to motors with high power output, typically used in industrial applications.
• HP stands for horsepower, a unit of power measurement

• HP motors are commonly used in heavy-duty machinery and equipment

• They are designed to provide high torque and speed for demanding applications
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Q1. Questions will be asked on previous company roles and responsibilities.
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Q2. Depends upon previous experience.
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Q1. Basics on structure and finishings
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Q2. Questions on structure and finishings
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Q1. Tell me something about yourself
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Q2. Why you want to choose this job?
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It was basic level coding question. you can answer if you strong in basic level of java

Q1. Why CTS? are u willing to work in any location? expected salary?
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Q1. OEE Calculation and How to Improve it
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OEE is a measure of manufacturing productivity. Improving it involves reducing downtime, increasing speed, and minimizing defects.
• Calculate OEE by multiplying availability, performance, and quality rates.

• Reduce downtime by improving maintenance and scheduling.

• Increase speed by optimizing processes and equipment.

• Minimize defects by improving quality control and training.

• Use data analysis to identify areas for improvemen...read more
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Q2. Problem Solving tools and various uses of it
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Problem solving tools are techniques used to identify, analyze and solve problems.
• Root Cause Analysis (RCA) helps identify the underlying cause of a problem

• Fishbone Diagrams help identify the potential causes of a problem

• 5 Whys technique helps identify the root cause of a problem by asking 'why' five times

• Pareto Analysis helps prioritize problems based on their impact

• Brainstorming helps generate ideas and solutions to ...read more
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Q3. How TPM is implemented in shopfloor
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TPM is implemented in shopfloor through a structured approach involving 5S, autonomous maintenance, and continuous improvement.
• TPM involves a cultural shift towards proactive maintenance and continuous improvement

• The implementation process starts with 5S to create a clean and organized workplace

• Autonomous maintenance involves empowering operators to perform routine maintenance tasks

• TPM also involves planned maintenance...read more
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Q1. Cable laying process
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The cable laying process involves planning, trenching, installation, and testing for effective electrical distribution.
• Planning: Assess the route and determine cable type based on load requirements.

• Trenching: Excavate the ground to lay cables, ensuring proper depth and width.

• Installation: Place cables in trenches, using protective conduits if necessary.

• Backfilling: Cover the cables with soil, ensuring no sharp objects ...read more
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Q2. Transformers testing
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Q3. Oil filtration process
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Q1. What is RDBMS system
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RDBMS stands for Relational Database Management System, a type of database management system that stores data in a structured format.
• Organizes data into tables with rows and columns

• Uses SQL for querying and managing data

• Supports ACID properties for data consistency

• Examples: MySQL, Oracle Database, SQL Server
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