What is regeneration, and what is its potential value?
What will be an ideal response?
Regeneration is the conversion of plastic material back into the chemicals used to make them originally. The advantage of this method is that the chemicals have a higher value than some of the mixed recycle of plastics from which the regenerated chemicals were derived.
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The frequency of motor lubrication depends on the type of bearing, motor application, and _____.
a. applied voltage b. service environment c. frequency of stops and starts d. motor size
A smoothly operating engine depends on ________
A) Cylinder compression levels above 100 psi (700 kPa) and within 70 psi (500 kPa) of each other B) Compression levels below 100 psi (700 kPa) on most cylinders C) Equal compression among cylinders D) High compression on most cylinders
The main operating principle of transformers is:
A) Transductive voltage amplification. B) Magnetic induction. C) Magnetic transformation. D) Transductive current amplification.
A rectangular concrete pad 180 inches wide and 450 inches long supports four transformers. Each transformer base measures 100 inches by 68 inches. What percent of the pad surface area is covered by the transformers? Round the answer to the nearer hundredth percent.
Fill in the blank(s) with the appropriate word(s).