Prabha Engineering Quality Engineer and Supervisor Interview Questions and Answers

Q1. What is relay and it's function working
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.
• Relays are used to control high power circuits with low power signals.

• They can be used to control motors, lights, and other electrical devices.

• Relays have an input coil that generates a magnetic field when current flows through it.

• This magnetic field attracts a movable armature, which closes or opens the s...read more
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Q2. Why we are using switches and not relay in some of domestic applications
Ans. 
Switches are used instead of relays in some domestic applications due to their smaller size, lower cost, and faster response time.
• Switches are smaller in size compared to relays, making them more suitable for compact domestic appliances.

• Switches are generally less expensive than relays, making them a cost-effective choice for domestic applications.

• Switches have a faster response time compared to relays, allowing for qu...read more
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Q3. What do you know about relay
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.
• Relays are commonly used in electrical systems to control high-power devices with low-power signals.

• They consist of a coil, an armature, and a set of contacts.

• When the coil is energized, the armature moves and closes or opens the contacts, allowing or interrupting the flow of current.

• Relays are used in var...read more
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Q4. Do you know the manufacturing procedure of relays
Ans. 
Yes, I know the manufacturing procedure of relays.
• Relays are electromechanical devices used to control the flow of electricity in a circuit.

• The manufacturing procedure involves several steps such as designing, prototyping, testing, and mass production.

• Designing includes selecting the appropriate materials, determining the specifications, and creating the circuit diagram.

• Prototyping involves creating a working model to ...read more
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Q5. Do heard about epoxy and its use for relay
Ans. 
Yes, epoxy is commonly used in relays for its insulating and adhesive properties.
• Epoxy is a type of resin that can be used as an adhesive or coating.

• In relays, epoxy is often used to encapsulate and protect the internal components.

• It provides insulation and helps to prevent moisture or dust from entering the relay.

• Epoxy can also improve the mechanical strength and stability of the relay.

• For example, epoxy is used in au...read more
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Q6. Which material use for relay contact soldering
Ans. 
The material used for relay contact soldering is typically silver or silver alloy.
• Silver or silver alloy is commonly used for relay contact soldering due to its high electrical conductivity and low resistance.

• Silver solder has a lower melting point compared to other solder materials, making it suitable for delicate electronic components.

• The use of silver or silver alloy solder helps ensure reliable and efficient electr...read more
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Q7. Tell 5 real time applications of relayss
Ans. 
Relays are used in various real-time applications for controlling electrical circuits.
• Industrial automation: Relays are used to control motors, pumps, and other industrial equipment.

• Power distribution: Relays are used in power grids to control the flow of electricity and protect against overloads.

• Automotive industry: Relays are used in vehicles for controlling headlights, wipers, and other electrical systems.

• Telecommun...read more
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Q1. What are the lathe machine?
Ans. 
Lathe machines are tools used for shaping and cutting materials such as metal and wood.
• Lathe machines rotate a workpiece on its axis while a cutting tool is applied to shape it.

• They can be used for various operations such as drilling, knurling, and sanding.

• There are different types of lathe machines such as engine lathes, turret lathes, and CNC lathes.

• Lathe machines are commonly used in manufacturing and metalworking i...read more
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Q2. Types lathe , types milling
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GD is a discussion that tests the candidate skills such as leadership skills, commutation skills, social skills, behaviour, politeness, teamwork.

Q1. Basic information of yours
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Q2. What's your role was in previous company
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Q1. Basic about selected fields
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Q2. How can we make the process smooth
Ans. 
To make the process smooth, we can streamline workflows, optimize resources, and implement automation.
• Streamline workflows by identifying bottlenecks and implementing efficient processes

• Optimize resources by ensuring proper utilization and minimizing waste

• Implement automation for repetitive tasks to increase efficiency and reduce errors
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Q1. What about machine learning
Ans. 
Machine learning enhances production engineering by optimizing processes, predicting failures, and improving quality control.
• Predictive Maintenance: ML algorithms can analyze machine data to predict failures before they occur, reducing downtime.

• Quality Control: Machine learning can identify defects in products through image recognition, ensuring higher quality standards.

• Process Optimization: ML models can optimize prod...read more
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Q2. What about previous work routine
Ans. 
My previous work routine involved systematic planning, execution, and monitoring of production processes to ensure efficiency and quality.
• Conducted daily production meetings to assess progress and address any issues.

• Monitored machinery performance and implemented preventive maintenance schedules.

• Collaborated with cross-functional teams to optimize production workflows.

• Analyzed production data to identify trends and are...read more
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Q1. Machine related questions Ans Injections moulding horizontal type machine handle
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An aptitude test is designed to assess an individual's ability to perform certain tasks or react to a range of different situations. These tests are often used by educational institutions and employers to evaluate potential candidates' skills, talents, and potential for success in a specific role or academic program. Here are some key details about aptitude tests:

1. **Purpose**: Aptitude tests are used to measure a variety of skills, including logical reasoning, verbal ability, numerical skills, and spatial awareness. They help to identify strengths and weaknesses and predict future performance.

2. **Types**:
- **Verbal Reasoning**: Assesses understanding and reasoning using concepts framed in words.
- **Numerical Reasoning**: Tests ability to work with numbers, including basic arithmetic, data interpretation, and logical problem-solving.
- **Abstract Reasoning**: Evaluates the ability to identify patterns, logical rules, and trends in new data.
- **Mechanical Reasoning**: Measures understanding of mechanical and physical principles.
- **Spatial Reasoning**: Assesses the ability to visualize and manipulate objects.

3. **Format**: Aptitude tests can be multiple-choice, true/false, or involve practical problem-solving tasks. They are often timed, with specific sections dedicated to each type of reasoning.

4. **Preparation**:
- **Practice Tests**: Taking practice tests helps familiarize with the format and types of questions.
- **Study Guides**: Reviewing basic concepts in mathematics, grammar, and logical reasoning.
- **Skills Development**: Enhancing skills through puzzles, reading, and other related activities.

5. **Usage**:
- **Recruitment**: Employers use aptitude tests to screen job applicants and find the best fit for a role.
- **Education**: Schools and colleges use these tests for admissions, placement, and identifying areas for student improvement.
- **Career Counseling**: Helps individuals understand their strengths and areas for improvement, guiding career choices.

6. **Scoring**: Scores are typically presented as percentiles, showing how a test-taker compares to a norm group. Higher scores indicate better performance relative to the norm group.

If you have specific questions about a certain type of aptitude test or need preparation tips, feel free to ask!

Q1. Tell me about yourself.Tip: Provide a brief overview of your professional background, focusing on experiences relevant to the job you're applying for. Highlight your key achievements and skills.
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Q2. Know YourselfAssess and interest.
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Q1. Production Plan, CNC Programming, Fixture and clamping system
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Q2. Trouble shooting of quality related issue
Ans. 
Troubleshooting quality issues involves identifying the root cause and implementing corrective actions.
• Gather information about the issue and its impact on production

• Identify the root cause using tools like fishbone diagrams or 5 whys

• Develop and implement corrective actions to address the root cause

• Monitor the effectiveness of the corrective actions and adjust as necessary
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Q1. CV Mention Skill, Programme run in CNC Machine
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Q1. Introduction, Basic Handling Problem, Reason for job change, salary negotiations
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