How is ultrasound used in leak detection?

A) It amplifies the sound of a leakage. B) It makes exiting gases visible.
C) It causes the formation of bubbles near a leak. D) It allows for a visual close-up of the system.


A

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In a kitchen, ____ condensing units may be easier to maintain.

A. self-contained B. remote C. local D. hybrid

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What happens to the temperature of boiling water once it starts to boil?

A) The water temperature decreases after the water begins to boil. B) It increases above the boiling point in proportion to the amount of heat added during the boiling process. C) The water temperature stays the same once the water begins to boil. D) It increases to 1°F above the boiling point.

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The type of schedule that shows dependent and critical path activities is the _____

a. Gantt chart b. bar chart c. network schedule d. time and materials schedule

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Cores used in sand casting should generally be more than two inches in cross section.

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

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