The outer electron shell is known as a(an) ________

A) Unstable shell B) Valence ring C) Distant ring D) None of these


B

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Fiber optic lighting systems are composed of three primary sections: the ____, the cable, and the end fixtures.

A. crimp B. illuminator C. diode D. battery

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What is 3/16 plus 9/16?

a. 3/4 b. 1/2 c. 11/16 d. 7/32 e. None of the above

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List and describe the two types of cooling systems

What will be an ideal response?

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Why should the water flow be checked before checking other system operating characteristics?

A) The flow rate affects the other system operating characteristics. B) a system operating with a low flow rate may require additional refrigerant C) The system will not function at all with an incorrect flow rate. D) A low flow rate introduces too much air into the system.

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