One set of service entrance conductors is permitted to supply __________ service disconnecting means instead of a single main disconnect.

a. two to four
b. two to six
c. three to six
d. three to five


b. two to six

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Two technicians named A and B, each weighing 200 lbs (90 kgs), jog a distance of one mile. Technician A completes the distance in 15 minutes and technician B completes the distance in 20 minutes. Which technician has the most power?

A. Technician A B. Technician B C. Equal power D. More information is required

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There are several ways to control the level of contaminants in indoor air, examples include source elimination or removal, proper ventilation, exposure control, and air cleaning.

a. True b. False

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When using biological controls for insects:

A) pesticides can be used with caution regarding the biological being used. B) the introduction of a foreign organism creates an environmentally unfavorable situation. C) in general there is good control of most species. D) pesticides cannot be used at all in order to protect the biological being used.

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______________ science is a broad and diverse industry that deals with animals and biological sciences.

Fill in the blank(s) with the appropriate word(s).

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