Diploma Sail/vsp/drdo Mcq - Askmemetallurgy

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Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Mechanical Metallurgy

Quiz #1. Copper is ductile because:

Poll Results

17.56%a) It is a perfect crystal ( 23 voters )

30.53%b) It contain a very large density of dislocations ( 40 voters )

14.5%c) It has glassy structure ( 19 voters )

35.88%d) The stress to move the dislocation in it is low ( 47 voters )

Based On 131 Votes

Options

Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Physical Metallurgy & Heat treatment

Quiz #6 Sodium, Potassium and molybdenum have ……… structure.

Poll Results

63.33%BCC ( 19 voters )

23.33%FCC ( 7 voters )

13.33%HCP ( 4 voters )

0%none of these ( 0 voters )

Based On 30 Votes

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Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Physical Metallurgy & Heat treatment

Quiz #6 The average number of grains per square inch (N) is

Poll Results

15%N=2^(2n-1) ( 3 voters )

20%N=n^2 -1 ( 4 voters )

60%N=2^(n-1) ( 12 voters )

5%N=(2n-1)^2 ( 1 voter )

Based On 20 Votes

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Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Physical Metallurgy & Heat treatment

Quiz #5 The atoms in metal crystal are arranged…….

Poll Results

0%in a random, two dimensional pattern ( 0 voters )

6.67%in a random, three dimensional pattern ( 1 voter )

86.67%in a random, repeated three dimensional pattern ( 13 voters )

6.67%none of these ( 1 voter )

Based On 15 Votes

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Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Physical Metallurgy & Heat treatment

Quiz #4 Ratio of long unit cell length to short unit cell length (c/a) for HCP is:

Poll Results

20%0.633 ( 3 voters )

73.33%1.633 ( 11 voters )

6.67%1.733 ( 1 voter )

0%6.633 ( 0 voters )

Based On 15 Votes

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Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Physical Metallurgy & Heat treatment

Quiz #2 What are the Atomic Factor of BCC, FCC, HCP?

Poll Results

8.33%a) 0.56, 0.72, 0.72 ( 1 voter )

0%b) 0.72, 0.78, 0.78 ( 0 voters )

66.67%c) 0.68, 0.74, 0.74 ( 8 voters )

25%d) 0.68, 0.72, 0.74 ( 3 voters )

Based On 12 Votes

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Askmemetallurgy OfficialGold

Asked: 3 years agoIn: Physical Metallurgy & Heat treatment

Quiz #3 Coordination no. of BCC, FCC, HCP are:

Poll Results

80%a) 8, 12, 12 ( 12 voters )

6.67%b) 12, 8, 12 ( 1 voter )

13.33%c) 6, 12, 12 ( 2 voters )

0%d) 6, 8, 12 ( 0 voters )

Based On 15 Votes

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