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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 13
26.
Addition of silicon to cast iron
promotes graphite module formation.
improves its ductility.
does not promote graphite flakes formation.
increases the fluidity of molten metal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Lead is poured into the joint between two __________ pipes.
mild steel
concrete
cast iron
asbestos cement
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
About __________ ton of coke is required in a cupola to produce one ton of casting.
0.03
0.3
0.8
1.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
one
two
three
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following is prone to cup and cone fracture ?
Cast iron
Soft brass
Round specimen of ductile metal.
Flat tensile specimen of ductile metal.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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