Discussion
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- Question
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
- Correct Answer
- manganese
- 1. Cast iron is manufactured in
Options- A. blast furnace
- B. cupola
- C. open hearth furnace
- D. bessemer converter Discuss
- 2. The cupola is used to manufacture
Options- A. pig iron
- B. cast iron
- C. wrought iron
- D. steel Discuss
- 3. Brass is an alloy of
Options- A. copper and zinc
- B. copper and tin
- C. copper, tin and zinc
- D. none of these Discuss
- 4. The hardness of steel increases if it contains
Options- A. pearlite
- B. ferrite
- C. cementite
- D. martensite Discuss
- 5. Silicon when added to copper improves
Options- A. machinability
- B. hardness
- C. hardness and strength
- D. strength and ductility Discuss
- 6. Nimonic contains __________ percentage of nickel as that of Inconel.
Options- A. same
- B. less
- C. more Discuss
- 7. 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
- 8. 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
- 9. Cast iron is a
Options- A. ductile material
- B. malleable material
- C. brittle material
- D. tough material Discuss
- 10. Dye penetrant method is generally used to locate
Options- A. core defects
- B. surface defects
- C. superficial defects
- D. temporary defects Discuss
Engineering Materials problems
Search Results
Correct Answer: cupola
Correct Answer: cast iron
Correct Answer: copper and zinc
Correct Answer: cementite
Correct Answer: hardness and strength
Correct Answer: same
Correct Answer: all of these
Correct Answer: No
Correct Answer: brittle material
Correct Answer: surface defects
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