Horizontal branches in a roof drainage system are usually installed with a slope of 1/8 inch per foot, which is equivalent to a slope of _____.
a. 0.5 percent
b. 1 percent
c. 3 percent
d. 5 percent
b. 1 percent
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The boom AB in Figure 13.12 has a mass distribution of 8.2 kg/m. The suspended mass, M, is 150 kg.
(a) Find the tension in the cable CD.
(b) Find the minimum required diameter of cable if the design stress is 84 MPa.
(c) If the cable is stainless steel, what is the factor of safety?
(d) If the cable were to be replaced by an aluminum cable, what diameter must be used to maintain a factor of safety of 3.0?
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In a case of ventricular fibrillation, unless the heart is returned to normal quickly, the person will usually ____________________.
Fill in the blank(s) with the appropriate word(s).
Holding a seedling by its roots with your hand is the correct method of handling
Indicate whether the statement is true or false.
What are the seven levels of the system of classification of organisms, from largest to smallest?
What will be an ideal response?