Where a planar surface is designated as a primary datum feature and referenced in a feature control frame at RMB, a(n) ____________________ plane is established.

What will be an ideal response?


ANS: datum

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What type of valve uses flexible, chemical-resistant, rubber-type diaphragms to control flow?

A. Plug B. Ball C. Diaphragm D. Butterfly

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?A type of fabrication that adheres materials together by interlocking the surfaces is called ____.  

A. ?chemical adhesion B. ?mechanical adhesion C. ?mechanical fastening D. ?friction fitting 

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In addition to cooling, what other uses can the fog system have in a greenhouse?

What will be an ideal response?

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When native prairie soils are brought under cultivation, the fraction of soil organic matter which disappears most quickly is the passive fraction

Indicate whether the statement is true or false

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