Author: Anonymous

Force P = 41 N is applied to a lever at the end of a 31-mm-diameter shaft. Force Q = 830 N is applied directly to the shaft. Determine the magnitude of the shear stress τxy at point H. Let a = 145 mm and b = 200 mm.

Force P = 47 N is applied to a lever at the end of a 30-mm-diameter shaft. Force Q = 965 N is applied directly to the shaft. Determine the normal stress σy at point K. Let a = 160 mm and b = 215 mm.

Determine the size modification factor, ψs, for a rectangular beam with b = 18 in. and d = 20 in., four epoxy-coated No. 6 Grade 60 tension-reinforcement bars placed in the bottom of the beam, and No. 4 Grade 40 stirrups located every 6 in. along the span. Assume 7,000-psi normal-weight concrete and a clear cover of 1.5 in.

Determine the bar-spacing factor, cb, for a simply supported rectangular beam with b = 20 in. and No. 3 stirrups. This beam has four No. 7 bars as longitudinal reinforcement. The clear cover is 1.8 in.

Determine the epoxy modification factor, ψe, for a rectangular beam with b = 18 in. and d = 21 in., five epoxy-coated No. 6 Grade 60 tension-reinforcement bars placed in the top of the beam, and No. 3 Grade 40 stirrups located every 8 in. along the span. Assume 4,000-psi normal-weight concrete and a clear cover of 1.5 in.

Force P = 50 N is applied to a lever at the end of a 30-mm-diameter shaft. Force Q = 195 N is applied directly to the shaft. Determine the normal stress σy at point H. Let a = 170 mm and b = 235 mm.

A 780 N person stands at the end of a 1.52 m cantilever beam. The beam has a base of 80 mm and a height of 150 mm. Determine the maximum bending stress in the beam.

Determine the transverse reinforcement index, Ktr, for a rectangular beam with b = 17 in. and d = 21 in., five galvanized No. 6 Grade 60 tension-reinforcement bars placed in the bottom of the beam, and No. 3 Grade 40 stirrups located every 12 in. along the span. Assume 8,000-psi normal-weight concrete and a clear cover of 1.75 in.

Force P = 45 N is applied to a lever at the end of a 34-mm-diameter shaft. Force Q = 845 N is applied directly to the shaft. Determine the magnitude of the shear stress τxy at point H. Let a = 150 mm and b = 220 mm.

Force P = 47 N is applied to a lever at the end of a 31-mm-diameter shaft. Force Q = 900 N is applied directly to the shaft. Determine the normal stress σy at point K. Let a = 145 mm and b = 235 mm.