Mechanical Engineering - Engineering Materials

1.
In the middle part of the blast furnace (zone of absorption), the temperature is
400° to 700°C
800°C to 1000°C
1200°C to 1300°C
1500°C to 1700°C
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The temperature in the upper part of the blast furnace (zone of reduction) is __________ that of the middle part.
equal to
less than
more than
Answer: Option
Explanation:
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3.
The temperature point at which the change starts on heating the steel is called
lower critical point
upper critical point
point of recalescence
point of decalescence
Answer: Option
Explanation:
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4.
Aluminium bronze has high resistance to corrosion.
True
False
Answer: Option
Explanation:
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5.
Manganese bronze contains more copper than silicon bronze.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.