Precision Testing Machines Interview Questions and Answers

Q1. 7 QC tools explain
Ans. 
The 7 QC tools are a set of basic tools used for quality control and problem-solving in manufacturing and service industries.
• Check sheet: Used to collect and organize data in a systematic way.

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

• Cause and effect diagram (Fishbone diagram): Used to identify and analyze potential causes of a problem.

• Histogram: A graphical representation of d...read more
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Q2. Six big losses in quality
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The six big losses in quality refer to specific areas where efficiency and productivity can be improved in a manufacturing process.
• 1. Downtime - time when production is stopped due to issues like equipment breakdowns or changeovers

• 2. Speed loss - inefficiencies that slow down the production process

• 3. Defects - products that do not meet quality standards and need to be reworked or scrapped

• 4. Setup and adjustment - time ...read more
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Q3. PPAP explain with demonstration
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PPAP stands for Production Part Approval Process, a standardized process in the automotive industry to ensure suppliers meet quality standards.
• PPAP is a set of documents and procedures used to demonstrate that a supplier can consistently meet customer requirements.

• It includes documentation such as control plans, process flow diagrams, and inspection records.

• PPAP is typically required by automotive manufacturers before ...read more
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Q4. Clause of iso and iatf
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ISO 9001 and IATF 16949 are two important quality management system standards.
• ISO 9001 focuses on general quality management principles and practices.

• IATF 16949 is specific to the automotive industry and includes additional requirements.

• Both standards emphasize the importance of customer satisfaction, continual improvement, and risk-based thinking.
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Q5. Raw material details you are aware of
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I am aware of the raw material details such as supplier information, specifications, quality standards, and testing procedures.
• Supplier information including contact details and location

• Raw material specifications such as composition, dimensions, and tolerances

• Quality standards and certifications required for raw materials

• Testing procedures for raw materials to ensure quality and compliance
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Q1. How to handle shift ,processor , defects ,trouble shooting, so many questions
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Q2. Defets related questions and how to trouble shooting ,process
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Q3. Technical questions
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Q1. Type of Sensors?
Ans. 
Sensors are devices that detect and measure physical or chemical quantities and convert them into electrical signals.
• There are various types of sensors used in electrical engineering, including:

• - Temperature sensors (e.g. thermocouples, RTDs)

• - Pressure sensors (e.g. piezoresistive sensors, capacitive sensors)

• - Proximity sensors (e.g. inductive sensors, capacitive sensors)

• - Motion sensors (e.g. accelerometers, gyroscope...read more
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Q2. About Solenoid valves
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Q3. PLC ladder logic
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Q1. They conduct two exams and ask basic electrical questions
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Q2. About MTTR, MTBF?
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Q3. How to improve MTTR?
Ans. 
MTTR can be improved by implementing efficient troubleshooting processes and utilizing advanced diagnostic tools.
• Implement standardized troubleshooting procedures to streamline the resolution process.

• Invest in advanced diagnostic tools and technologies to quickly identify and resolve issues.

• Train engineers on the latest troubleshooting techniques and equip them with necessary skills.

• Establish effective communication ch...read more
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Q4. Vibration analysis
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Q5. Dark on mode and light on mode of sensor
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Dark on mode and light on mode of sensor refers to the behavior of the sensor in different lighting conditions.
• In dark on mode, the sensor is activated when it detects darkness or absence of light.

• In light on mode, the sensor is activated when it detects light or presence of light.

• These modes are commonly used in various applications such as automatic lighting systems, security systems, and motion detectors.

• For example...read more
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Q1. They do a Field check?
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Q2. 1.PLC ladder logic edit. 2.PC PLC connection
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Q1. Mold development
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Q1. Package and family background
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The determine a person ability in a practical skills or field.

A group discussion the candidate personaliy traits and skills

A particular instance of something used or analysed in ordered to issulrate a thesis principal

Q1. Interview that are in person and occur between one interview What are application are expecting What expected the candidate
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Q2. What expected the candidate
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Q3. How many years experience
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Q4. What type of machine experience
Ans. 
I have experience working with various types of machines including pumps, compressors, turbines, and conveyors.
• Experience with maintenance and repair of pumps, compressors, turbines, and conveyors

• Familiarity with hydraulic and pneumatic systems

• Knowledge of electrical and mechanical systems

• Experience with troubleshooting and problem-solving

• Ability to read and interpret technical drawings and schematics

• Examples: Maintain...read more
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Q5. What u getting in our company
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Q1. Uses of autocad in engeneering
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AutoCAD is a computer-aided design software widely used in engineering for creating precise and detailed 2D and 3D drawings.
• Creating accurate and detailed technical drawings

• Designing and drafting architectural plans

• Producing engineering diagrams and schematics

• Generating 3D models for visualization and analysis

• Creating construction and manufacturing blueprints

• Simulating and testing designs before implementation

• Collabora...read more
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Q2. What is the full form of CAD
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CAD stands for Computer-Aided Design.
• CAD is a technology that uses computer systems to assist in the creation, modification, analysis, or optimization of a design.

• It is widely used in various industries such as architecture, engineering, and manufacturing.

• CAD software allows designers to create 2D or 3D models of products or structures.

• It helps in improving design accuracy, reducing errors, and increasing productivity.

• ...read more
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Q3. What is tolerance in short
Ans. It is the difference between upper limit and lower limit
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Q4. Name types of fit ? Tell me any two types
Ans. 
Types of fit include clearance fit, interference fit, transition fit, etc.
• Clearance fit: parts are intended to have a gap between them, such as a shaft and a hole

• Interference fit: parts are intended to be pressed or forced together, such as a bearing and a shaft

• Transition fit: parts have both clearance and interference, such as a piston and a cylinder

• Other types of fit include force fit, shrink fit, and sliding fit
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Q5. Explain in short high pressure die casting? Explain
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High pressure die casting is a metal casting process in which molten metal is injected into a steel mold under high pressure.
• Molten metal is injected into a steel mold under high pressure

• The mold is designed to create complex shapes with high accuracy

• The process is used to produce parts with high strength and dimensional accuracy

• Commonly used metals include aluminum, zinc, and magnesium

• Used in automotive, aerospace, an
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