Furnaces used for heat treating steels are:
A) Electric, gas B) Open hearth, Bessemer
C) Puddling, soaking pit D) Blast, Bessemer
A
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The point (3,3,3) cannot be specified by:
a. typing b. point filters c. pointing d. object snap
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The gestation period for sows is:
A. 21 days B. 90 days C. 113 days D. 6 months
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Which of the following materials has the highest R value per inch of thickness?
A) Rigid foam board B) Expanded polystyrene board C) Loose-fill fiberglass D) Batt and blanket rock wool
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The frictional energy on the rotor surface creates heat.
Answer the following statement true (T) or false (F)
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