Some Highly Efficient Turbines Can Be Submerged Directly in a River

question 35

Multiple Choice

Some highly efficient turbines can be submerged directly in a river and require only _______ to operate.

• A) Run-of-the-river flow
• B) Low-head dams
• C) A low, natural waterfall
• D) A slow trickle of water
• E) A high, natural waterfall

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Definitions:

Point-To-Point Programming

A method used in computer numerical control (CNC) machining where commands guide a tool from one point to another, minimizing non-productive time.

Origin

The starting point or fixed reference used in the measurement of coordinates or in the definition of a system.

New Position

A conceptual placement or orientation of a part or component for purposes of design analysis or assembly consideration.

Numerical Control

The automated control of machining tools and other equipment in a manufacturing process via a computer.