Aqua Tech Systems Junior Scientist Interview Questions and Answers

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

DM Plant removes impurities like salts and minerals from water using ion exchange process.

• DM Plant stands for Demineralization Plant.

• It uses ion exchange process to remove impurities like salts and minerals from water.

• It consists of cation exchange resin and anion exchange resin columns.

• Cations and anions in water are exchanged with hydrogen and hydroxyl ions in the resins.

• The treated water is then passed through mixed...read more

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.

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