Is the rotor excitation current AC or DC?

Is the rotor excitation current AC or DC? Required magnetic flux is created in the rotor by supplying DC (Direct Current) to the rotor circuit. This Direct Current (DC) is called excitation current. Which is required to generate magnetic flux in the rotor circuit. 2. Can a bad alternator kill a new battery? Can a […]

How do you reference an attached document?

How do you reference an attached document? And that means you might be using the common phrase “Please find attached.” Other variations include “Attached please find,” Please kindly find the attached file,” Please find the attached file for your reference,” “Enclosed please find,” and the ultra-wordy, “Please find attached herewith.” Is it OK to say […]

What is direct digital manufacturing?

What is direct digital manufacturing? Direct Digital Manufacturing (DDM) is a process that uses additive manufacturing technology to make production parts and manufacturing. tools. Directly from 3D CAD data, components are manufactured layer-by-layer without molding, casting or machining. What is Digital Manufacturing explain with an industry example? Digital manufacturing is the use of an integrated, […]

How hard is it to build a jet engine?

How hard is it to build a jet engine? Jet engines are not difficult to manufacture. There are more than 30 nations who make or have made jet engines. There are more than 30 nations who make or have made jet engines. Can you build your own jet? There’s no absolute answer, of course, but […]

What are the advantages of tidal energy?

What are the advantages of tidal energy? Advantages of Tidal Energy Tides are easily predictable. Inexpensive to maintain. Reliable and renewable source of energy. High energy density than other renewable energy forms. It produces no greenhouse gases or other waste. Why is tidal energy better than fossil fuels? First off, tidal energy is a clean […]

What are the six degrees of freedom that every object has?

What are the six degrees of freedom that every object has? Specifically, the body is free to change position as forward/backward (surge), up/down (heave), left/right (sway) translation in three perpendicular axes, combined with changes in orientation through rotation about three perpendicular axes, often termed yaw (normal axis), pitch (transverse axis), and roll (longitudinal … How […]

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