Which of the following types of measurements can be made with a manometer?

A. absolute pressure of a vacuum
B. absolute pressure above atmospheric pressure
C. differential pressure
D. all of the above


Answer: D

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

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?What has to be done to ensure that the weld has 100% penetration on thick plate or pipe?

A. ?The part must be preheated to above 350°F (175°C) before welding starts. B. ?The welding machine needs to be set on its maximum amperage setting. C. ?Make the molten weld pool as large as possible so it will melt all the way through. D. ?The edges of the weld plate or pipe must have some type of groove made before welding.

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The total capacitance (C) is directly proportional to the product of the dielectric constant (k) and plate area (A) and inversely proportional to the thickness (d) of the dielectric.

A.
B.
C.
D.

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Select a way plastic can be changed in shape.

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