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Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 5 (Q.No. 20)
Engineering Materials
20.
In a close packed hexagonal space lattice, there are
nine atoms out of which eight atoms are located at the corners of the cube and one atom at its centre
twelve atoms, all of which are located at the twelve corners of a hexagonal prism
fourteen atoms out of which eight atoms are located at the coners of the cube and six atoms at the centres of six faces
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.
Amarendiran said:   8 years ago
HCC have a 17 and bcc have 9.
Sandeep Mule said:   9 years ago
6 SC.
9 BCC.
14 FCC.
17 HCC.
YUGENDRA D said:   9 years ago
Total 17 atoms, out of which 12 atoms have placed in the corner of hexogen and 5 atoms are placed center.
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