All of the following API classifications of oil are currently in use EXCEPT ____.
A. SM
B. SN
C. SL
D. SK
Answer: D
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All root passes are ground.
Answer the following statement true (T) or false (F)
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When solving the equation 9x + 3 = 30, the first step is to multiply both sides by 9.
Answer the following statement true (T) or false (F)
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To draw the ____ view, the draftsperson goes through an imaginary process of raising the object to eye level and turning it so that only one side can be seen.
A. side B. top C. plane D. front
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How much had the standard of living improved in the 25 years following the second World War?
A. It doubled. B. It tripled. C. It did not improve. D. It improved by half. E. It improved by a fourth.
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