Ultrasonic monitors are very effective at detecting cracks in _____ materials.
a. hot
b. ferrous
c. thick
d. nonferrous
c. thick
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The direction in which the rear wheels point is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
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In the accompanying figure, the item identified as number 2 represents ____.
A. fillets B. chamfers C. rounds D. insets
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Which statement best describes the phase angle of a parallel RLC circuit at resonance?
A) With a net reactance at maximum the phase angle is zero. B) With a net reactance at minimum the phase angle is zero. C) Total current flow is minimum. D) either A or C
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The required air pressure for dry-pipe systems above trip pressure is _____ psi.
A. 5 B. 10 C. 15 D. 20
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