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Which of the following statements is true about the ion channel controlled by the nicotinic receptor?

Assuming Vs exceeds 4sqrt(f’c)bwd, the maximum spacing for vertical stirrups in the following beam is _____. Let d = 53 in., w = 43.5 in., and t = 6 in. There are five No. 6 longitudinal tension bars and No. 4 stirrups at 6 in. o.c.

Which of the following statements about receptors is NOT TRUE?

The overall health of the economy has a significant impact on consumers’ ability and willingness to purchase goods and services. The most reliable measure of the economy’s health is the sum of all final goods and services produced in the country in a given period. This measure is called ____________.

A continuous beam’s flexural reinforcement must extend at least _____ from the point where it is no longer needed to resist tension. Assume f’c = 4,000 psi, fyt = 40,000 psi, d = 22 in., w = 16.5 in., and t = 4 in. There are five No. 9 longitudinal tension bars and No. 5 stirrups at 7 in. o.c.

At a point subjected to plane stress, the stresses are σx = –25 ksi, σy = 10 ksi, and τxy = –15 ksi. Determine the angle θp corresponding to the orientation of the principal planes at the point.

Compute φVn for the cross section shown. Assume f’c = 8,000 psi, fyt = 40,000 psi, b = 13 in., d = 20 in., and that there are four No. 9 longitudinal tension bars and No. 5 stirrups at 9 in. o.c.

In marketing, _____ involves accepting an obligation to give equal weight to profits, consumer satisfaction, and social well-being in evaluating a firm’s performance.

For a beam with stirrup hooks, the free end of the bar must extend at least _____ from the hook. Assume b1 = 26 in., b2 = 13 in., d1 = 6 in., d2 = 15 in., and that there are three No. 6 longitudinal tension bars and No. 4 stirrups at 6 in. o.c. The stirrup hooks are 90°.

A continuous beam’s flexural reinforcement must extend at least _____ from the point where it is no longer needed to resist tension. Assume f’c = 4,000 psi, fyt = 40,000 psi, b1 = 32 in., b2 = 16 in., d1 = 4 in., d2 = 15 in., and that there are three No. 6 longitudinal tension bars and No. 3 stirrups at 10 in. o.c. The stirrup hooks are 90°.