In ____ welding, fusion is obtained by directing a highly concentrated beam of coherent light to a very small spot.
A. laser beam
B. ultrasonic
C. resistance
D. inertia
Answer: A
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Because of the massive weight of concrete being placed all at once for one-way solid slabs, the shoring system must be _____.
a. constructed entirely of steel b. designed by a registered architect c. left in place until the concrete is fully cured d. designed by a structural engineer
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__________________ is a form of insurance that guarantees the bid price that was provided to the owner by the bidding contractor
A. bid bond B. bid insurance C. performance bond D. payment bond
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The APWA color code used to mark underground gas lines is _____
a. red b. blue c. green d. yellow
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Two center lines are uslly drawn at
A. 45 degrees B. 90 degrees C. 30 degrees D. 180 degrees
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