Which of the following restrictions provide the most accurate reading?

A. flow nozzle
B. venturi


Answer: A

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Calculate the volume of a cylindrical shape, in cubic inches, when r = 5.5” and h = 23”. Carry the answer to two decimal places.

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____ rails or check rails are the rails that meet in the middle of a double-hung window.

A. Transom B. Meeting C. Extension D. Weather

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Refer to Exercise 10 in Section 3.2. Assume that ? = 30.0 ± 0.1 Pa, h = 10.0 ± 0.2 mm, and µ = 1.49 Pa•s with negligible uncertainty.

a. Estimate V and find the uncertainty in the estimate. b. Which would provide a greater reduction in the uncertainty in V: reducing the uncertainty in ? to 0.01 Pa or reducing the uncertainty in h to 0.1 mm?

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Match the valve and actuator symbols with the terms they represent.

A. damper B. manually activated C. ball rotary valve D. fail open valve E. F. G. H. I. J.

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