Emergency lighting circuits often use _____.

a. bimetallic overload relays
b. fuses
c. magnetic relays
d. solid-state relays

c. magnetic relays

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Lux is the SI unit of illumination. Foot-candle is the IP unit. How are they related?

A) 1 fc is about 100 lux. B) 1 fc is about 1000 lux. C) 1 fc is about 10 lux.

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Microchips embedded in animals can include a computer database for identification purposes

Indicate whether the statement is true or false.

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____ is the property that allows a metal to withstand forces, sudden shock, or bends without fracturing.

A. Hardness B. Brittleness C. Toughness D. Strength

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An example of a sugar crop is:

a. soybean c. corn b. wheat d. alfalfa

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