Which of the following materials is used for brake lines?
A. Steel
B. Rubber
C. Both A and B
D. Neither A nor B
Answer: A
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Subcontractors perform ____ percent of the labor accomplished on the jobsite.
A. 20 to 40 B. 25 to 50 C. 50 to 75 D. 75 to 100
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Methyl bromide has been taken off the market as a soil fumigant for most crops because:
A. it is hard to manufacture. B. it destroys the ozone layer of the atmosphere. C. grafting has become cheap and is used on most field crops now. D. there are safer ways available to fumigate soil.
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What are the main parts of the clutch assembly?
What will be an ideal response?
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A motor with four stator poles will rotate at __________ a two-pole motor when the applied frequency is 60 Hz.
A. half the speed of B. twice the speed of C. the same speed as
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