Alfa Laval Engineer Interview Questions and Answers

Switches are essential components in power electronics that control the flow of electrical energy.

• Switches are used to turn on and off the flow of electrical energy in power electronics.

• They are used in various applications such as power supplies, motor drives, and inverters.

• Common types of switches include MOSFETs, IGBTs, and thyristors.

• Switches must be carefully selected based on the specific application requirements...read more

DC-DC converters are used to convert one DC voltage level to another, commonly used in power supplies and battery-powered devices.

• DC-DC converters are used to step up or step down voltage levels

• They are commonly used in power supplies for electronic devices

• They are also used in battery-powered devices to regulate voltage levels

• Examples include buck converters, boost converters, and buck-boost converters

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

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