Which one contains the least percentage of carbon ?
Which one contains the least percentage of carbon ?
A. Wrought iron
B. High speed steel
C. Cast iron
D. Pig iron
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____________ alloys have the highest specific strength of all the structural materials out of the following?A. Magnetic steel
B. Titanium
C. Chromium
D. MagnesiumPresence of high phosphorous in cast iron increases its____________________?
Presence of high phosphorous in cast iron increases its____________________?A. Fluidity
B. Melting point
C. Shrinkage
D. Tensile strengthGerman silver used for decorative purposes contains maximum percentage of___________________?
German silver used for decorative purposes contains maximum percentage of___________________?A. Silver
B. Copper
C. Zinc
D. NickelGenerally _____________ are subjected to galvanising (i.e., zinc coating)?
Generally _____________ are subjected to galvanising (i.e., zinc coating)?A. Non-ferrous metals
B. Non-metals
C. Low carbon steels
D. Stainless steelManganese in steel affects its
Question: Manganese in steel affects its
[A].ductility [B].
tensile strength [C].
hardness [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
The fermenter used for the production of ethyl alcohol from molasses is made of________________?
The fermenter used for the production of ethyl alcohol from molasses is made of________________?A. Wood
B. Concrete
C. Copper bearing steel
D. Porcelain