OSHA’s regulations areoptional mandatory for government departments only
mandatory for all employers in the U. S.
globally accepted

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

What are the major differences between injection molding and extrusion?