What color is printed on the labels of standard interrupting capacity circuit breakers?

a. White
b. Black
c. Red
d. Blue


b. Black

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Calculating sum of elements. The following script computes the element-by-element sum of array y in two ways. The first uses a for loop, while the second uses the Matlab sum function. Find the error in the script.

y = 0:10; sumY = 0; for i=0:length(y)-1 sumY = sumY + y(i); end sumY sum(y)

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Compute the height of a regular pyramid with a base area of 88.87 square inches and a volume of 192.11 cubic inches. Round to the nearest hundredth inch.

A. 6.29 B. 6.39 C. 6.49 D. 6.59

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Which of the following will not increase the efficiency of water use by plants in an irrigation system?

A) the use of herbicides to control weeds B) the use of drip irrigation for fruit trees C) the use of crop residues to reduce evaporation D) the use of concrete-lined delivery ditches E) the use of flood irrigation for forage crops

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Who is responsible for licensing contractors?

A) Community Development Department B) Persons of authority C) Each individual state D) International Code Council

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