A beam has dimensions of b = 18 in., h = 30 in., and d = 27.5 in. and is reinforced with 3 No. 7 bars. The concrete strength is 8,500 psi, and the yield strength of the reinforcement is 60,000 psi. Determine the nominal moment capacity, Mn, of the beam.

One of the four primary reasons for using compression reinforcement in beams is increased lifespan of the structure.

A beam has dimensions of b = 14 in., h = 26 in., and d = 23.5 in. and is reinforced with 5 No. 7 bars. The concrete strength is 4,600 psi, and the yield strength of the reinforcement is 60,000 psi. If the depth to the neutral surface is c = 4.010088 in., determine the strain in the reinforcement.

This individual is the first in the West (per your textbook), that developed an explanation to describe how evolution might work.

When aligning the body in a neutral spine position which of the following cue should not be followed?  

The general recommended amount of sleep an 18-25 year old should get is? 

(04.02 MC)Which of the following best explains why the diversity of organisms decreases as you move from shallow seas to deep oceans?

(04.02 MC)  When a certain coin is flipped, the probability of obtaining a tails is 0.60. Which of the following is the probability that tails would be obtained exactly 10 times when the coin is flipped 20 times? (4 points)

A beam has dimensions of b = 14 in., h = 28 in., d’ = 2.5 in., and d = 25.5 in. It is reinforced with 2 No. 5 bars on the compression side and 4 No. 8 bars on the tension side. The concrete strength is 4,000 psi, and the yield strength of the reinforcement is 60,000 psi. If the depth of the neutral axis is c = 4.199 in., determine the strain in the compression reinforcement, ε’s.

Please list your favorite piece of information you learned through this course so far.  Could be a workout move, information about working out, advice given, etc….