What is the relationship between melt index and viscosity? Explain the relationship using microstructure concepts
What will be an ideal response?
Melt index is a measure of a polymer's ability to flow through an orifice within a given time. Time through the orifice gives insight as to the chain length and structure. Viscosity also measures chain length and structure as an interaction between the measuring device and the viscous fluid.
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What is the name of the part of the weld that letter D is pointing to in Figure 1?
a. Leg
b. Root
c. Face
d. Toe
e. Land
When using an extension cord, it should be just the right length for the job
Indicate whether the statement is true or false.
19.7 - 10.2 =
A) 9.9 B) 9.5 C) 10.9 D) 10.5
In the accompanying figure, the step identified as item B in sketching a stub nose screwdriver is to ____.
A. illustrate the completed sketch B. identify the object C. block out major sizes D. block out details