Corrundum contains more than 95% _____________________?
Corrundum contains more than 95% _____________________?
A. steel
B. A1203
C. Si02
D. MgO
E. german silver
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The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.
Question: The catalysts are used to accelerate the chemical reaction during the process of ploymerisation of plastics.
[A].True [B].
False Answer: Option A
Explanation:
No answer description available for this question.
Carbon in iron is an example of__________________?
Carbon in iron is an example of__________________?A. substitutional solution
B. interstitial solid solution
C. intermetallic compounds
D. all of the above
E. none of the above.A steel alloy containing 36% nickel is called
Question: A steel alloy containing 36% nickel is called
[A].stainless steel [B].
high speed steel [C].
invar [D].
heat resisting steel Answer: Option C
Explanation:
No answer description available for this question.
Manganese is added in low carbon steel to
Question: Manganese is added in low carbon steel to
[A].make the steel tougher and harder [B].
raise the yield point [C].
make the steel ductile and of good bending qualities [D].
all of the above Answer: Option C
Explanation:
No answer description available for this question.
Wrought iron
Question: Wrought iron
[A].is a ductile material [B].
can be easily forged or welded [C].
cannot stand sudden and excessive shocks [D].
all of these Answer: Option D
Explanation:
No answer description available for this question.
Iron-carbon alloys containing 4.3% carbon are known as hypo-eutectic cast irons.
Question: Iron-carbon alloys containing 4.3% carbon are known as hypo-eutectic cast irons.
[A].Correct [B].
Incorrect Answer: Option B
Explanation:
No answer description available for this question.