In a typical prefabricated steel stair, the number of stringers required is determined by the

A) spanning capacity of the stringers.
B) spanning capacity of the tread-riser units.
C) floor-to-floor height.
D) width of the stair.
E) all of the above.


E) all of the above.

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Fluid pressure is controlled by ________.

A) TCM B) Pressure control valve C) PCM D) Any of the above terms, depending on application

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The triangle in the accompanying figure is ____.

A. isosceles B. right C. scalene D. equilateral

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? Identify and state the historical significance of Hurricane Katrina.

What will be an ideal response?

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The unit of flow measurement is primarily based on __________.

A. weight B. flow rate C. velocity

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