A cone valve opens when the rotating ______ is turned through 90 degrees.

Prepare for the Washington State WDM 1 with flashcards, multiple choice questions, hints, and explanations. Get exam ready now!

Multiple Choice

A cone valve opens when the rotating ______ is turned through 90 degrees.

Explanation:
Cone valves regulate flow by rotating a cone-shaped closure, called the plug, inside a matching seat. Turning this plug through 90 degrees—a quarter turn—opens or closes the valve by aligning or blocking the flow path. The stem, shaft, and knob are components that transmit and facilitate the motion, but the element that actually controls the flow is the plug itself.

Cone valves regulate flow by rotating a cone-shaped closure, called the plug, inside a matching seat. Turning this plug through 90 degrees—a quarter turn—opens or closes the valve by aligning or blocking the flow path. The stem, shaft, and knob are components that transmit and facilitate the motion, but the element that actually controls the flow is the plug itself.

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