List two ways that internal and external threads may be represented on mechanical drawings.

What will be an ideal response?


Internal and external threads may be represented on mechanical drawings by one of several methods: (1) a pictorial representation, which shows the threads as they appear to the eye, (2) a schematic representation, or (3) a simplified representation. Figure 19-5 shows how each type of external thread can be represented.

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Total sales is given by the formula: R = Q x P. What does Q represent?

A. Price per unit B. Number of customers C. Number of units sold D. Quality

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Ohio suffers severe losses of blueberries due to disease

Indicate whether the statement is true or false

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The skill necessary to perform pipe welds in position is _____ that of welding on a plate.? ?  

A. greater than? B. less than? C. the same as? D. much less than?

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Schematics are always drawn to show components in their de-energized, or ____________________, state.

Fill in the blank(s) with the appropriate word(s).

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