When used in a circuit, an LED is generally operated at about _____.
a. 5mA or less
b. 10mA or less
c. 15mA or less
d. 20mA or less
d. 20mA or less
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Which of the following conditions is likely to result in a shock hazard?
a. Using a grounded extension cord b. Using a cord from which the grounding conductor has been removed c. Connecting a power tool to a GFCI-protected circuit d. Using a grounded plug in a three-prong receptacle
Two areas where women in the 19th century were widely thought to be superior to men were
A. physical strength and mental vigor. B. moral sensibility and artistic refinement. C. political ability and organizational shrewdness. D. sexual appetite and physical desire. E. economic competitiveness and capacity for education.
An example of sustainable material use would be:
A) Using extra supports to ensure structural strength and long life. B) Using synthetic building materials to minimize tree cutting. C) Using only new building materials that were naturally grown. D) Using recycled and recovered waste materials for construction.
Which of the following kitchen layout designs is a very efficient design that works well in long, narrow rooms?
A) Galley kitchen B) Peninsula kitchen C) Island kitchen D) L-shaped kitchen