What additive in oil aides in the prevention of varnish buildup?
A. antioxidation agents
B. viscosity index improver
C. antifoaming agents
D. cohesion agents
Answer: A
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What is a “cascade” system?
a. The low temp system evaporator cools the condenser of the high temp system. b. The high temp system evaporator cools the condenser of the low temp system.
Identify the statement that is false.
A. The Powhatans were extremely resistant to European-borne maladies, unlike their other Indian counterparts. B. The Powhatans, despite their apparent cohesiveness, lacked the unity with which to make effective opposition to the well-organized whites. C. The Powhatans served no economic function for the Virginia colonists. D. Once the English settlers began growing their own food crops, the Powhatans had no valuable commodities to offer them in commerce. E. The Indian presence frustrated the colonists, they desperately wanted their land.
? Identify and state the historical significance of Ralph Nader.
What will be an ideal response?
To prevent burns to the feet, arc welders should wear leather boots with tight-fitting tops at least _____
a. 6" high b. 7" high c. 8" high d. 9" high