The power factor of an induction motor at no-load conditions can be as low as:
a. 1%
b. 5%
c. 10%
d. 15%
d. 15%
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How many 1/16 inches are there in a 3/8-inch piston pin?
A. 2 B. 3 C. 5 D. 6
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Which item is used in negative pressure ventilation?
a. negative-pressure fan b. blower c. HVAC system d. smoke ejector
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It is important to sketch very long lines with one continuous stroke.
Answer the following statement true (T) or false (F)
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The formula for finding the inside-arc and outside-arc cutlengths for odd-angle elbows is _____.
a. length of arc = cosine of angle b. length of arc = degree of bend/360 c. length of arc = sine ×degree of bend d. length of arc = 2?r × (degree of bend/360)
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