An effective method used to remove an old or inferior weld is _____.

a. plasma arc cutting
b. brazing
c. air-carbon arc cutting
d. gas-tungsten arc cutting


Answer: C

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Sometimes called time and action charts, ____ are useful production tools for project planning.

A. Gantt charts B. flowcharts C. organizational charts D. Venn diagrams

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Why are dynamic compressors more commonly used than positive-displacement compressors?

A) They have a smaller capacity B) They are more readily available C) They require less maintenance D) They are more expensive

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In binary multiplication

A) the 2's complement of the multiplicand is added to the multiplier. B) the multiplicand is added to itself a number of times equal to the multiplier. C) 1's complements are substituted and then added for both the multiplier and the multiplicand. D) None of the above.

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A hidden line represents an invisible edge on an object. Hidden lines are thin lines drawn .01 in. (0.3 mm) thick.

Answer the following statement true (T) or false (F)

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