What is the term used to describe an element with fewer than 4 electrons in its outer shell?

A. Insulator
B. Conductor
C. Semiconductor
D. Could be any of the above


Answer: B

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To adjust a turnbuckle, you would turn the _____.

a. adjustment screw b. lower threaded rod c. turnbuckle d. pipe

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Refnet joints in VRF systems generally come with _____.

a. a metering device b. pre-formed insulation c. male flare fittings d. service valves

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Leaf cuttings consist of a leaf, petiole, and a short piece of stem with a lateral bud

Indicate whether the statement is true or false

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The Reynolds number is reduced if __________.

A. the diameter of the pipe is smaller B. the viscosity of the fluid is larger C. the velocity of the fluid reduces D. a fluid with a lower density is used E. all of the above

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