ANVAL Valves Design Engineer Interview Questions and Answers

Q1. What is pressure vessel
Ans. 
A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure.
• Pressure vessels are used in various industries such as oil and gas, chemical, pharmaceutical, and food processing.

• They are designed to withstand high pressures and are typically cylindrical or spherical in shape.

• Examples include boilers, storage tanks, and compressed air tanks.
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Q2. How to design shell
Ans. 
Designing a shell involves considering factors like material, shape, size, and functionality.
• Consider the material of the shell - metal, plastic, or composite

• Determine the shape of the shell based on the intended use - cylindrical, spherical, conical, etc.

• Decide on the size of the shell to accommodate the contents it will hold

• Design the shell with the necessary functionality in mind - openings, closures, ventilation, e
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Steam engineering knowledge on steam products

Q1. What is steam engineering
Ans. 
Steam engineering involves the design, operation, and maintenance of systems that utilize steam for various industrial applications.
• Involves designing steam systems for power generation, heating, and industrial processes

• Requires knowledge of thermodynamics, fluid mechanics, and heat transfer

• Includes maintenance of boilers, steam turbines, and piping systems

• Examples: steam power plants, steam heating systems in building
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Q1. What is mean by kinetic energy
Ans. 
Kinetic energy is the energy possessed by an object due to its motion.
• Kinetic energy is directly proportional to the mass of an object and the square of its velocity.

• The formula for kinetic energy is KE = 0.5 * m * v^2, where m is the mass of the object and v is its velocity.

• Examples of kinetic energy include a moving car, a swinging pendulum, or a flying bird.
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Q1. They asked irrelevant questions only
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Q1. Explain about your previous experience.
Ans. 
I have 5 years of experience working as a Design Engineer in the automotive industry.
• Designed components for new vehicle models

• Collaborated with cross-functional teams to ensure design feasibility

• Utilized CAD software to create detailed drawings

• Performed testing and analysis to validate designs

• Implemented cost-effective solutions to improve product performance
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Q1. Explain the Projects that you handled in previous organisation.
Ans. 
I have handled various projects in my previous organisation including designing new products, improving existing designs, and collaborating with cross-functional teams.
• Designed new products from concept to production stage

• Improved existing designs to enhance performance and reduce costs

• Collaborated with cross-functional teams including manufacturing, marketing, and quality control

• Managed project timelines and budgets e...read more
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Q1. What is Best efficiency of pump
Ans. 
Best efficiency of a pump is the point where it operates at maximum output with minimum energy consumption.
• Best efficiency is the point on the pump curve where the highest flow rate is achieved with the lowest power consumption.

• It is important to operate the pump at or near its best efficiency point to reduce energy consumption and increase the lifespan of the pump.

• Factors that affect the best efficiency point include ...read more
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Q2. What is the slip angle in Impeller
Ans. 
Slip angle in impeller refers to the angle between the direction of fluid flow and the blade angle.
• Slip angle is an important parameter in impeller design as it affects the performance of the pump.

• It is generally kept small to minimize energy losses due to fluid slip.

• Slip angle can be calculated using computational fluid dynamics (CFD) simulations.

• For example, a slip angle of 5-10 degrees is common in centrifugal pumps
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Q1. What is the function of Valve? what is the generic material used for valve ? Relation between temperature and pressure ?
Ans. 
Valves are mechanical devices used to control the flow of fluids or gases in a system. They are typically made of materials like stainless steel, brass, or PVC.
• Valves control the flow of fluids or gases in a system

• Common materials used for valves include stainless steel, brass, and PVC

• Temperature and pressure are related in that as temperature increases, pressure also tends to increase
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General Aptitude test of 50 questions, need to clear in 1 hour

Q1. Technical question in academics, questions on final project, Pump & fluid related questions
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Q1. Regular HR questions
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Q1. M15 grade ratio
Ans. 
M15 grade ratio is the mix ratio of concrete used in construction projects.
• M15 grade concrete has a mix ratio of 1:2:4 (1 part cement, 2 parts sand, 4 parts aggregate)

• It is commonly used for non-structural works like flooring, pathways, etc.

• The strength of M15 grade concrete is 15 MPa after 28 days of curing
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Q1. Minimum grade of concrete
Ans. 
Minimum grade of concrete is M10, which is used for plain cement concrete works.
• Minimum grade of concrete is M10 as per IS 456:2000.

• M10 grade concrete has a compressive strength of 10 N/mm^2 after 28 days of curing.

• It is commonly used for plain cement concrete works like levelling course, bedding for footing, etc.
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