A transistor consists of ____ alternately doped regions.
A. two
B. three
C. four
D. five
Answer: B
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Arrange the following in chronological order: the founding of the (A) American Colonization Society, (B) American Anti-Slavery Society, and (C) Liberty party.
A. A, B, C B. C, A, B C. B, C, A D. A, C, B E. C, B, A
A ____ has a section of plain pipe separating the threads.
A. street elbow B. close nipple C. draincock D. long nipple
Technician A says that bearings should be thoroughly cleaned with solvent before repacking with grease. Technician B says that it is important to use manufacturer approved bearing grease to prevent premature bearing wear. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What are the chemical components of CFC refrigerant?
What will be an ideal response?