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Engineering Materials
Comments
Question
Brass is an alloy of
Options
A. copper and zinc
B. copper and tin
C. copper, tin and zinc
D. none of these
Correct Answer
copper and zinc
Engineering Materials problems
Search Results
1. The hardness of steel increases if it contains
Options
A. pearlite
B. ferrite
C. cementite
D. martensite
Show Answer
Scratch Pad
Discuss
Correct Answer: cementite
2. Silicon when added to copper improves
Options
A. machinability
B. hardness
C. hardness and strength
D. strength and ductility
Show Answer
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Discuss
Correct Answer: hardness and strength
3. Nodular cast iron is produced by adding __________ to the molten cast iron.
Options
A. nickel
B. chromium
C. copper
D. magnesium
Show Answer
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Discuss
Correct Answer: magnesium
4. The steel produced by bessemer or open hearth process is __________ to that produced by L-D process.
Options
A. superior
B. inferior
Show Answer
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Discuss
Correct Answer: inferior
5. The charge is fed into the blast furnace through the
Options
A. stack
B. throat
C. bosh
D. tuyers
Show Answer
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Discuss
Correct Answer: throat
6. The cupola is used to manufacture
Options
A. pig iron
B. cast iron
C. wrought iron
D. steel
Show Answer
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Discuss
Correct Answer: cast iron
7. Cast iron is manufactured in
Options
A. blast furnace
B. cupola
C. open hearth furnace
D. bessemer converter
Show Answer
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Discuss
Correct Answer: cupola
8. 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
Show Answer
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Discuss
Correct Answer: manganese
9. Nimonic contains __________ percentage of nickel as that of Inconel.
Options
A. same
B. less
C. more
Show Answer
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Discuss
Correct Answer: same
10. 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
Show Answer
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Discuss
Correct Answer: all of these
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