A steel rotating-beam test specimen has an ultimate strength of 185 kpsi and is subjected to a completely reversed stress. (a) Determine the fatigue strength for a life of 200,000 cycles. (10 pts) (b) Estimate fatigue life if the amplitude of the stress is 150 kpsi. (10 pts)

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i. d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.

What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information