Piping systems marked with a yellow color-code belong to Class _____.

a. F
b. D
c. S
d. P


b. D

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Technician A says that a valve spring's pressure may be 10% less than the manufacturer's specifications before it must be replaced. Technician B says that valve seating pressure is the amount of force that the valve spring exerts on the area of contact between the valve face and seat. Who is right?

A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B

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When a young animal's organs develop, its rate of growth slows dramatically

Indicate whether the statement is true or false

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The preferred method of cutting copper tubing for a refrigeration system is with:

A) A tubing cutter. B) A cutting torch. C) A circular saw. D) A hacksaw.

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What are the three sections of a fiber optic cable?

a. Core, cladding, and shield. b. Core, cladding, and jacket. c. Core, conductor, and shield. d. Core, conductor, and jacket.

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