Why are terminal and wire resistance values critical in electric furnaces?
What will be an ideal response?
The large current draw from the strip heaters turns even small resistances into heat that accelerates oxidation.
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Aluminum is not a good conductor because it has a high ____.
a. permeability b. resistance c. melting point d. viscosity
Transportation in colonial America was
A. surprisingly fast for the time. B. safer by road than by any other means. C. slow by any of the means available. D. so poor that no mail service was established until the 1800s. E. fast only on the waterways.
?The oxygen and ____________________ flame is the only 100% nonpolluting fuel-gas flame.
Fill in the blank(s) with the appropriate word(s).
Match the definition to the correct term.
A. An identifiable course of pollution. B. Includes rivers, streams, and lakes. C. Product that covers up odors by introducing another odor. D. Chemical product that kills bacteria-causing odor. E. Pond of water used in farming to hold animal waste. F. Process used to break down organic materials.