Author: Anonymous

A steel [E = 30,800 ksi, α = 6.7×10–6/°F] bar is held between two rigid supports. The bar is stress free at a temperature of 60°F. The bar is then heated uniformly. If the yield strength of the steel is 42 ksi, determine the temperature at which yield first occurs.

The bell crank shown is supported by a single shear pin connection at B and a roller support at C. An external load of P = 2,500 lb at an angle of θ = 48° acts on the bell crank at A. The pin at B has a diameter of d = 1.125 in., and the ultimate shear strength of the pin material is σU = 60,000 psi. Use dimensions of a = 17.5 in. and b = 8.0 in.What is the factor of safety of pin B with respect to its ultimate shear strength?

Two pieces of high-density polyethylene [E = 0.85 GPa] tubing are bonded together and support load P = 139 N. Both tubes are 140 mm long. The outer tube has an outsider diameter of 21.0 mm and an inside diameter of 15.6 mm. The inner tube has an outside diameter of 15.6 mm and an inside diameter of 12.0 mm. Determine the load carried by the outer tube.

A load of P = 8,200 lb is applied to the connection. If the average shear stress in the bolts is limited to 25 ksi and the required factor of safety is 2.1, determine the minimum allowable bolt diameter.

Two pieces of high-density polyethylene [E = 0.90 GPa] tubing are bonded together and support load P = 142 N. Both tubes are 145 mm long. The outer tube has an outsider diameter of 23.0 mm and an inside diameter of 17.2 mm. The inner tube has an outside diameter of 17.2 mm and an inside diameter of 13.4 mm. Determine the load carried by the inner tube.

Two pieces of high-density polyethylene [E = 0.93 GPa] tubing are bonded together and support load P = 151 N. Both tubes are 160 mm long. The outer tube has an outsider diameter of 23.0 mm and an inside diameter of 17.8 mm. The inner tube has an outside diameter of 17.8 mm and an inside diameter of 14.2 mm. Determine the load carried by the outer tube.

The bell crank shown is supported by a single shear pin connection at B and a roller support at C. An external load of P = 2,500 lb at an angle of θ = 53° acts on the bell crank at A. The pin at B has a diameter of d = 1.125 in., and the ultimate shear strength of the pin material is σU = 66,000 psi. Use dimensions of a = 12.0 in. and b = 7.5 in.What is the factor of safety of pin B with respect to its ultimate shear strength?

The pin-connected structure is subjected to a load P=352 N as shown. Inclined member (1) is connected to rigid member ABC. Determine the magnitude of the resultant force at pin A.

A load of P = 6,100 lb is applied to the connection. If the average shear stress in the bolts is limited to 27 ksi and the required factor of safety is 2.1, determine the minimum allowable bolt diameter.

The bell crank shown is supported by a single shear pin connection at B and a roller support at C. An external load of P = 2,000 lb at an angle of θ = 38° acts on the bell crank at A. The pin at B has a diameter of d = 0.625 in., and the ultimate shear strength of the pin material is σU = 56,000 psi. Use dimensions of a = 16.0 in. and b = 7.5 in.What is the factor of safety of pin B with respect to its ultimate shear strength?