Celeros Flow Technology Design Engineer Interview Questions and Answers for Freshers

Q1. Maintenance phylosophy
Ans. Depends on equipment running hour, criticality, availability and standby.
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Q1. Write unit testing for adding two nimbers
Ans. 
Unit testing for adding two numbers
• Create a test case with two numbers and expected sum

• Call the function that adds two numbers

• Assert that the result matches the expected sum
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Q1. Explain challenge you faced in your last project
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Q1. Salary expectations
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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. Iron Carbon Diagram ? Shaft Calculations ?
Ans. 
Iron Carbon Diagram is a graphical representation of the phases of iron and carbon at different temperatures. Shaft calculations involve determining the dimensions and material properties of a shaft for a specific application.
• Iron Carbon Diagram shows the phases of iron and carbon at different temperatures, helping in understanding the behavior of steel.

• Shaft calculations involve determining the dimensions (diameter, l...read more
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Q2. What is GD & T for drawn image ?
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing, a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

• It uses symbols, such as concentricity, flatness, and perpendicularity, to communicate design requirements.

• GD&T helps ensure that parts fit together properly and function as intended.

• It is commonly used in ...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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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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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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