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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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
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)
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.
Sometimes called time and action charts, ____ are useful production tools for project planning.
A. Gantt charts B. flowcharts C. organizational charts D. Venn diagrams