A beam has dimensions of b = 18 in., h = 26 in., and d = 23.5 in. and is reinforced with 5 No. 6 bars. The concrete strength is 5,200 psi, and the yield strength of the reinforcement is 60,000 psi. Determine the strength Mn for this beam.

A torque of TC = 670 N·m is applied to the aluminum [G = 68 GPa] shaft. Segment (1) has a diameter of 69 mm, and segment (2) has a diameter of 37 mm. Determine the angle of twist at C. Let L1 = 0.53 m and L2 = 0.40 m.

A beam has dimensions of b = 16 in., h = 24 in., and d = 21.5 in. and is reinforced with 2 No. 8 bars. The concrete strength is 5,500 psi, and the yield strength of the reinforcement is 60,000 psi. Determine the strength Mn for this beam.

A load of P = 22 N is applied to a hex wrench that has lengths a = 50 mm and b = 186 mm. Determine the torque applied to the set screw.

A 19-lb cardboard box sits on an oak beam. Determine the maximum bending moment in the beam if the weight is modeled as concentrated load P = 19 lb. Let a = 45 in.

A torque of T = 250 lb·in. is applied to two pulleys and a copper-alloy shaft. Determine the minimum diameter of the shaft if its shear yield strength is 23 ksi.

A load of P = 14 N is applied to a hex wrench that has lengths a = 33 mm and b = 111 mm. Determine the torque applied to the set screw.

Gear A has a diameter of 1.91 in., and gear B has a diameter of 2.83 in. If the pointer needs to be rotated 149° CW, how much should the motor be rotated?

[U2Q] Which of the following is an example of a public environmental event?

A beam is singly reinforced with the reinforcement in two rows. The bottom row contains 6 No. 5 bars at a depth of 18 in. The top row contains 2 No. 6 bars at a depth of 13.5 in. Determine the effective (centroidal) depth, d, of the steel.