A rigid pavement is being designed with the same parameters as used in Problem 4.5. The modulus of
subgrade reaction is 300 lb/in3 and the slab thickness is
determined to be 8.5 inches. The load transfer
coefficient is 3.0, the drainage coefficient is 1.0, and
the modulus of elasticity is 4 million lb/in2. What is the
design modulus of rupture? (Assume that any
parameters not given in this problem are the same as
those given in Problem 4.5

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.

Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.

True or false (explain) (110)[111] is a slip system in bcc metals . the {111} family in fcc contains 8 planes. resolved shear stress (rss) in single crystals is just related to the applied stress. critical resolved shear stress (crss) in single crystal metals is direct proportional to the number of defects in the structure