Why might adjusting the oxygen flow during a brazing project by standing in front of the cylinder and slowly opening the valve all the way create a hazardous situation?

A) The valve should only be opened halfway.
B) The valve should only be opened two-and-a-half turns.
C) The valve should be opened while standing behind the cylinder.
D) The valve should be opened quickly to relieve pressure.


C

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Dimensions are written in feet to two decimal places; thus 5'10" would be written into a dimension column as:

A. 0.08 B. 0.42 C. 0.50 D. 5.83

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Research the origins of fi ve manufactured products you use daily (conception, design, analysis, prototype, and manufacture). More specifi cally, include where these specifi c functions were performed.

What will be an ideal response?

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Which of these angles is most commonly used for valve seats?

A) 65° B) 45° C) 15° D) 30°

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If a building is square and measures 18' × 43', what would the diagonal measure be?

A) 38.55' B) 46.62' C) 42.84' D) 28.75'

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