Problem 4a titanium [e = 16,500 ksi;  = 5.3×10–6/°f] bar (1) and a bronze [e = 15,200 ksi;  = 12.2×10–6/°f] bar (2), each restrained at one end, are fastened at their free ends by a pin of diameter d = 0.4375 in. the length of bar (1) is l1 = 19 in. and its cross-sectional area is a1 = 0.50 in.2. the length of bar (2) is l2 = 27 in. and its cross-sectional area is a2 = 0.65 in.2. what is the average shear stress in the pin at b if the temperature changes by 40°f?

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.