No crane or other heavy equipment should be operated within ____ feet of energized electrical transmission lines.
A. 25
B. 20
C. 15
D. 10
Answer: D
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Sketch the following precast concrete structural members:
a. Hollow-core units b. Solid planks c. Double-tee units d. Inverted-tee beams
The growth of plants on sodic soils is constrained by all but one of the following:
A) caustic influence of high pH caused by sodium carbonate and bicarbonate. B) toxicity of very high levels of calcium carbonate. C) low micronutrient availability due to high pH. D) toxicity of bicarbonate and other anions. E) oxygen deficiency due to breakdown of soil structure.
Circulating water over the evaporator while the ice is freezing:
A) Keeps air bubbles and solids from freezing in the ice. B) Increases the air bubbles in the ice. C) Adds interesting swirled effects in the ice patterns. D) Eliminates the need for a reservoir float.
The primary source of repair and specification information for any car, van, or truck is the _____.
A. vehicle owner B. shop owner C. parts manager D. manufacturer