The impact of biotechnology in the area of ecology is rapidly decreasing
Indicate whether the statement is true or false
F
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Support angles for bridge decks should not be welded to the flanges of beams that _____.
a. have a web less than 8" deep b. are in tension c. rest on a bridge center pier d. are in compression
A cooling tower in which air flow is produced by natural convection due to the density difference between the heated air in the tower and the cooler outside air is called:
A) A draft-free tower. B) An atmospheric draft tower. C) A mechanical draft tower. D) An induced draft tower.
A ____--an opening left in a precast member for a window, door, skylight, conduit, ductwork, piping, or for numerous other reasons--is formed by placing a wooden, styrofoam, or cardboard object the size and shape of the desired opening in the fabrication bed before pouring in the concrete.
A. silhouette B. contour C. delineation D. blockout
The most efficient sprinkler heads to use with irrigations systems are ________
A) Drip heads B) Bubblers C) Stream rotary heads D) Stream heads