For a signal or voice to be heard, it should be at least ____ decibels louder than the surrounding noise level at the work station.
A. 5
B. 10
C. 15
D. 20
Answer: A
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Two angles of a triangle measure 22o14' and 54o59'. The measure of the third angle is ____.
A. 92o47' B. 102o27' C. 112o33' D. 102o47'
To President George W. Bush, "the axis of evil" that menaced American security consisted of the nations of
A. France, Germany, and the Netherlands. B. Russia, China, and Cuba. C. Iraq, Afghanistan, and Syria. D. Iran, Iraq, and North Korea. E. Sudan, Egypt, and Libya.
Match the definition to the correct term.
A. The record of a particular animal's ancestry. B. The amount of marbling and carcass grade. C. The meatiness of the animal. D. Animal kept for the purpose of breeding.
Powdered connecting rods can be marked with ________
A) A permanent ink marker B) A punch C) A steel number stamp D) Any of these