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GATE 2019: Manufacturing Quiz 13
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Question 1
For a vacancy defect to be said as Schottky defect, the necessary condition is _________.
Question 2
Planar density of (100) plane of FCC structure is (a= side of plane)
Question 3
Match items from groups I, II and III:
Group-I (Structure)
A) Simple cubic
B) Body centered
C) Face centered
D) Hexagonal closed packed
Group-II (Effective no. of atoms)
P) 2
Q) 1
R) 4
S) 6
Group-III (Co-ordination No.)
T) 8
U) 6
W) 12
Group-I (Structure)
A) Simple cubic
B) Body centered
C) Face centered
D) Hexagonal closed packed
Group-II (Effective no. of atoms)
P) 2
Q) 1
R) 4
S) 6
Group-III (Co-ordination No.)
T) 8
U) 6
W) 12
Question 4
Which material has the highest electrical conductivity?
Question 5
A 10 mm diameter Brinell ball produce an indentation of diameter 1.64 mm in a steel alloy when a load of 500 kg is used. BHN will be ___________ kg/mm2.
Question 6
Planar density of (1, 0, 0) planes of FCC structure is _________ %.
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