Discussion
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- Question
The cupola is used to manufacture
Options- A. pig iron
- B. cast iron
- C. wrought iron
- D. steel
- Correct Answer
- cast iron
- 1. Brass is an alloy of
Options- A. copper and zinc
- B. copper and tin
- C. copper, tin and zinc
- D. none of these Discuss
- 2. The hardness of steel increases if it contains
Options- A. pearlite
- B. ferrite
- C. cementite
- D. martensite Discuss
- 3. Silicon when added to copper improves
Options- A. machinability
- B. hardness
- C. hardness and strength
- D. strength and ductility Discuss
- 4. Nodular cast iron is produced by adding __________ to the molten cast iron.
Options- A. nickel
- B. chromium
- C. copper
- D. magnesium Discuss
- 5. The steel produced by bessemer or open hearth process is __________ to that produced by L-D process.
Options- A. superior
- B. inferior Discuss
- 6. Cast iron is manufactured in
Options- A. blast furnace
- B. cupola
- C. open hearth furnace
- D. bessemer converter Discuss
- 7. An alloy steel which is work hardenable and which is used to make the blades of bulldozers, bucket wheel excavators and other earth moving equipment contain iron, carbon and
Options- A. chromium
- B. silicon
- C. manganese
- D. magnesium Discuss
- 8. Nimonic contains __________ percentage of nickel as that of Inconel.
Options- A. same
- B. less
- C. more Discuss
- 9. The electric process of steel making is especially adopted to
Options- A. alloy and carbon tool steel
- B. magnet steel
- C. high speed tool steel
- D. all of these Discuss
- 10. The dieing down of a white flame during the operation of a bessemer converter indicates that the air is burning out silicon and manganese.
Options- A. Yes
- B. No Discuss
Engineering Materials problems
Search Results
Correct Answer: copper and zinc
Correct Answer: cementite
Correct Answer: hardness and strength
Correct Answer: magnesium
Correct Answer: inferior
Correct Answer: cupola
Correct Answer: manganese
Correct Answer: same
Correct Answer: all of these
Correct Answer: No
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