Which unit of charge contains 6.25 × 1018 electrons?
A) an ampere B) a coulomb C) a joule D) a volt
B
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Text ____ refers to the location of text relative to the drawing and within the drawing file.
A. reference B. index C. holding D. placement
The following changes all require ____: mechanical movement, the production of heat or light, the production of sound, the conversion of one chemical compound into another, and the production of radio waves.
a. energy b. measurement c. joules d. resistance heating
The proper selection of a respirator is based on the _____
a. user's size and level of activity b. contaminant present and its concentration c. amount of time it will be worn d. wearer's personal preference
Which type of router bit is preferred for use with most materials?
a. Carbide-tipped steel b. High-speed steel c. Carborundum d. Fiberglass