Lakshmi Precision Screws Junior QA Engineer Interview Questions and Answers

Q1. All types of measuring instruments detailed information
Ans. 
Measuring instruments are tools used to quantify physical properties such as length, weight, temperature, etc.
• Types of measuring instruments include rulers, scales, thermometers, micrometers, calipers, etc.

• They are used to ensure accuracy and precision in measurements.

• Measuring instruments can be analog or digital, depending on the application.

• Examples of measuring instruments: tape measure, kitchen scale, pH meter, pr
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Q2. About casting process
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Q3. Measuring instruments
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Q1. About Casting process
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Q1. What is difference between RTD and thermocouple used
Ans. 
RTD measures temperature using resistance change, while thermocouple uses voltage change.
• RTD stands for Resistance Temperature Detector, while thermocouple generates voltage based on temperature difference.

• RTDs are more accurate and stable compared to thermocouples.

• RTDs have higher initial cost but lower long-term maintenance cost.

• Thermocouples are more rugged and can withstand higher temperatures than RTDs.

• Example: RT...read more
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Q2. What is the PLC and DCS system
Ans. 
PLC and DCS systems are control systems used in industrial automation to monitor and control processes.
• PLC stands for Programmable Logic Controller, used for controlling machinery and processes in manufacturing.

• DCS stands for Distributed Control System, used for controlling complex processes across multiple locations.

• PLCs are typically used for discrete control applications, while DCS systems are used for continuous co...read more
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Q3. What is the AC And DC drive
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AC and DC drives are types of electrical drives used to control the speed and torque of electric motors.
• AC drive controls the speed of an AC motor by varying the frequency of the electrical supply.

• DC drive controls the speed of a DC motor by varying the voltage supplied to the motor.

• AC drives are more commonly used in industrial applications due to their efficiency and flexibility.

• DC drives are often used in applicatio...read more
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Q4. What do you understand by 4 wire and 2 wire
Ans. 
4 wire and 2 wire are configurations used in electrical circuits for measuring resistance.
• 4 wire configuration is used for accurate resistance measurements by eliminating lead resistance

• 2 wire configuration is simpler but less accurate due to lead resistance affecting measurements

• Examples: 4 wire used in precision instruments like multimeters, 2 wire used in basic circuit testing
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Q1. ISO, 7 QC tool, sws, 8 D
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Q2. Six sigma, kaizen
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Q3. 5 's Methodology
Ans. 
5's Methodology is a systematic approach to workplace organization and standardization.
• 5S stands for Sort, Set in order, Shine, Standardize, Sustain

• It aims to improve efficiency, safety, and quality by organizing the workplace

• Example: Sorting out unnecessary items, arranging tools in a designated place, cleaning workstations regularly
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Q4. IATF, x-ray inspection, audit
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Q5. FMEA, ctq, 5 wH
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Q1. Electric motor winding process
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Technical aptitude math general science social science

Q1. Introduction and cnc programming
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Q1. 1. What is a CNC machine?
Ans. 
A CNC machine is a computer-controlled machine tool used for cutting and shaping materials like metal, wood, or plastic.
• CNC stands for Computer Numerical Control

• It uses coded instructions to control the movement of the cutting tool

• Common types include CNC milling machines and CNC lathes

• CNC machines are widely used in manufacturing industries for precision machining
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Q2. 2. How confident are you with excel?
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Q3. 3. What is an ERP?
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ERP stands for Enterprise Resource Planning, a software system that helps organizations manage and integrate their important business processes.
• ERP systems help streamline and automate business operations, including finance, HR, manufacturing, supply chain, and more

• They provide a centralized database that allows different departments to access and share information in real-time

• Examples of popular ERP systems include SA
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Q1. Technically about company like safety..
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Q2. What is 5s and devine
Ans. 
5S is a methodology used to organize and maintain a clean and efficient workplace.
• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• It involves organizing and labeling tools and materials, cleaning and maintaining equipment, and creating a culture of continuous improvement.

• Example: A factory implementing 5S might label all tools and materials, create a designated storage area for each item, and regularl...read more
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Q1. About yourself and work experience
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Q2. Work experience
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