This type of casting refers to a process in which a steel or iron mold can be used many times and produces a better finished quality than with sand casting.

a. centrifugal casting
b. die casting
c. permanent casting
d. sand casting


c. permanent casting

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Figure 25-1 The accompanying figure shows transformers connected in open-____________________.

Fill in the blank(s) with the appropriate word(s).

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What kind of water is stored under the surface of the ground?

What will be an ideal response?

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Opium poppy is grown for which plant parts?

a. sap and seeds c. seeds only b. sap, seeds, and roots d. sap only

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What is the correct reading on the ruler as represented by the letter B reduced to lowest terms?

What will be an ideal response?

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