please help 1.. A pound of aluminum is ____________ as expensive as a pound of s

Question

please help

1.. A pound of aluminum is ____________ as expensive as a pound of steel. a. Two times b. Three times c. Four times 2. There are 2 parts to a sand casting mold. What is the top part called? a. drag b. top c. core d. cope 3. What material is used as the pattern in the expendable molding process? a. aluminum b. ceramic c. polystyrene foam d. wood 4. What is the name of the gold colored coating that is applied to drills and milling cutters to make them last longer and do a better job of metal cutting? a. aluminum nitride b. ceramic carbide c. Titanium nitride d. gold oxide 5. What are the different forms of metals that can be vaporized when doing the different methods of Thermal Spraying? a. rod b. wire c. powder d. all of these 6. Applying a coating of Zinc to steel to protect it from corrosion is called: a. Anodizing b. Galvanizing c. Hard Coating d. Thermal coating

Explanation / Answer

1) a

2) d

3) c

4) c

5) d

6) b

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.