Determine the yield strength-to-density ratios (specific strength) in units of KN. m/kg for AISI 1018 CD steel, 2011-T6 aluminum, Ti-6AL-4V titanium alloy, and ASTM No. 40 gray cast iron.

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.

Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above

Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent