Consider the following rational functions. r(x) = 2x − 1 x2 − x − 2 s(x) = x3 + 8 x2 + 9 t(x) = x3 − 9x x + 2 u(x) = x2 + x − 12 x2 − 25 w(x) = x3 + 4x2 + 4x x + 2 (a) Which of these rational functions has a horizontal asymptote? (Select all that apply.)

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented

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