Jash Engineering Design Engineer Interview Questions and Answers

Q1. Per cubic metre concrete weight
Ans. 
The weight of concrete per cubic metre varies depending on the mix and density.
• The weight of normal concrete is around 2400 kg/m³

• Lightweight concrete can weigh as little as 1600 kg/m³

• Heavyweight concrete can weigh up to 3800 kg/m³

• The weight of concrete can also be affected by the aggregates used
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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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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. 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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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. 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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