Critical parts or welds are usually ____ percent tested.
A. 50
B. 75
C. 95
D. 100
Answer: D
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A 1,020 Hz sinusoidal waveform that is sampled with the accompanying image produces the alias frequency equal to ____ Hz?
Fill in the blank(s) with the appropriate word(s).
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Refrigerants absorb heat:
A) By condensing from a vapor to a liquid. B) By rearranging their molecular structure to form a new compound. C) By converting heat energy into additional refrigerant molecules. D) By evaporating from a liquid to a vapor.
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Which is NOT a criteria the EPA uses to define used oil?
A) Color B) Use C) Contaminants D) Origin
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A concrete wall is 9' high, 34' long, and 12" thick. If concrete weighs 145 pounds per cubic foot, how much does the wall weigh in pounds?
What will be an ideal response?
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