Mechanical Engineering - Engineering Materials

41.
Cast iron is a ductile material.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Manganese is added in low carbon steel to
make the steel tougher and harder
raise the yield point
make the steel ductile and of good bending qualities
all of the above
Answer: Option
Explanation:
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43.
Beryllium bronze contains
60% copper and 40% beryllium
80% copper and 20% beryllium
97.75% copper and 2.25% beryllium
99% copper and 1% beryllium
Answer: Option
Explanation:
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44.
The portion of the blast furnace below its widest cross-section is called
hearth
stack
bosh
throat
Answer: Option
Explanation:
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45.
Gamma-iron occurs between the temperature range of
400°C to 600°C
600°C to 900°C
900°C to 1400°C
1400°C to 1530°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.