When the material passes through the ____ zone of the screw, it should reach the desired melt temperature.  ?

A. ?melting
B. ?feed
C. ?metering
D. ?transition


Answer: C

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The error time component is known as the ____________________ and is effectively equal to the error multiplied by the length of time the error has existed.

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

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Which of the following is a benefit of preplanning?

a. enhances professionalism b. enables you to work more quickly c. lets you know how much and when materials are needed d. all of the above

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A diode will only conduct current when forward biased.

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

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What is used for an identification mark on acetylene hose assembly nuts?

a. capital "a" stamped in it b. letters "ac" stamped in it c. The word fuel stamped in it d.a grooved line

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