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Physicswallah Interview Questions and Answers
Q1. How do you design a process for any given product
Designing a process for a product involves analyzing the product requirements, identifying the necessary steps, and optimizing the process for efficiency and quality.
Analyze product requirements and specifications
Identify necessary steps and materials
Determine optimal process flow and equipment
Consider safety, quality, and efficiency
Test and refine the process as needed
Document the process for future reference
Q2. What do you mean by process engineering
Process engineering involves designing, optimizing, and improving industrial processes to increase efficiency and productivity.
Process engineering focuses on the design, optimization, and improvement of industrial processes.
It involves analyzing data, identifying bottlenecks, and developing solutions to increase efficiency and productivity.
Process engineers work in a variety of industries, including manufacturing, chemical processing, and pharmaceuticals.
Examples of process e...read more
Q3. Difference between AC & DC current?
AC current changes direction periodically while DC current flows in one direction only.
AC current is used in household appliances and power grids while DC current is used in batteries and electronic devices.
AC current can be easily transformed into different voltage levels using transformers while DC current requires a converter.
AC current is more dangerous to humans than DC current due to its ability to cause muscle contractions.
DC current is more efficient for long-distance...read more
Q4. What is transformer?
A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
Transformers are used to increase or decrease voltage levels in electrical circuits.
They consist of two coils of wire, known as the primary and secondary coils, wrapped around a magnetic core.
When an alternating current flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil.
Transformers are used ...read more
Q5. Problem solving method
Problem solving method involves identifying the problem, analyzing it, developing solutions, implementing them, and evaluating the results.
Identify the problem
Analyze the problem
Develop solutions
Implement solutions
Evaluate results
Q6. What are Quality tools
Quality tools are techniques and methodologies used to monitor, analyze, and improve the quality of products and processes.
Quality tools help in identifying and solving quality-related issues
Examples include Pareto analysis, fishbone diagram, control charts, and Six Sigma
They aid in data collection, analysis, and decision-making to enhance quality
Q7. Difference between 2 stroke and 4 stroke engines
2 stroke engines have power strokes every revolution, while 4 stroke engines have power strokes every other revolution.
2 stroke engines have a simpler design with fewer moving parts.
2 stroke engines require a mixture of oil and fuel for lubrication.
4 stroke engines have separate intake, compression, power, and exhaust strokes.
4 stroke engines are more fuel efficient and produce less pollution.
Examples: 2 stroke engines are commonly used in chainsaws and motorcycles, while 4 s...read more
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