A conductor is a material that has ________
A) many free electrons B) few free electrons
C) a structure similar to semiconductors D) a positive charge
A
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What type of hose connection is used to connect steam hoses?
A. Camlock B. Boss fitting C. Quick connect D. Chicago pneumatic (CP) coupling
The voice of white southern abolitionism fell silent at the beginning of the
A. 1810s. B. 1820s. C. 1830s. D. 1840s. E. 1850s.
Two technicians are discussing the safe use of a wrench. Technician A says that a wrench should be pulled toward you. Technician B says a wrench should be pushed away from you. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Who developed the first fire hydrant?
a. Ben Franklin b. John Lofton c. Hans Hautsch d. George Smith