What is a practical use for knowing a substance's triple point?

A) Triple point is a purely theoretical concept that cannot be actually achieved
B) Understanding that a system may not be charged past the triple point of the refrigerant being used
C) Understanding the practical operating limits of a refrigeration system
D) Calibrating thermometers using the triple point temperature


D

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For any firm, the income must be distributed to the investor.

Answer the following statement true (T) or false (F)

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The voltage and current are in phase in an inductive circuit.

Indicate whether the statement is true or false.

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In the series portion of series-parallel circuits, the total resistance is:

A) equal to the largest resistance. B) greater than the largest resistance. C) less than any one resistance. D) less than the largest resistance.

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The main outlines of an object that separate it from the surrounding space defines:

a. Ellipsoid b. Stippling c. Edge d. Negative space e. Contours

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