What is the origin of the vast differences in physical properties between PVC (rigid) and vinyl? Explain why PE is not treated in the same way to create two very different physical states
What will be an ideal response?
The cause of the differences is due to the plasticizers that are in place in the vinyl. These plasticizers allow for greater movement between the chains and give the feel of being much more flexible. PE is not treated the same way because PE is does not react with or accept plasticizers or solvents of any kind.
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The total resistance of a parallel circuit is always ____ the lowest branch resistance.
a. equal to b. more than c. less than d. inversely proportional
A decimal fraction is a number that uses a decimal point to denote a unit that is larger than 1.
Answer the following statement true (T) or false (F)
An arm of the cylindrical robot which is driven by a direct-current motor needs a torque of 100 in-lbs. The DC motor has a torque constant of 3 in-lbs per ampere. How much current is needed to drive the robot arm at maximum load?
What will be an ideal response?
Belted bias ply tires use the same type, angle and design belts as radial tires.
Answer the following statement true (T) or false (F)