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Materials Science A / Materiaalkunde A - 214

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Select the correct term

Kies die regte term

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Select the correct statement.

Kies die korrekte stelling.

Metals are good conductors of heat and electricity because:

Metale is goeie geleiers van hitte en elektrisiteit omdat:

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Determine the indices for the shaded plane of the hexagonal unit cell. (Problem 3.32(b) from 10th ed Callister). Note: in the assessments, you will be expected and awarded for showing your workings for such a question. 

Bepaal die indekse vir ingekleurde vlak van die heksagonaal eenheidsel. (Probleem 3.32(b) van die 10de wge Callister). Let wel: in die assesserings sal u verwag en bekroon word vir die wys van u bewerkings vir so 'n vraag.

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A plane in a cubic unit cell intersects the x-, y- and z-axes at A = a/2; B = b/2, C = c. The Miller indices (h k l) are

'n Vlak in 'n kubies eenheidsel sny die x-, y- en z-asse by A = a/2; B = b/2, C = c. Die Miller indekse (h k l) is

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Consider the direction vector in the cube below:

Beskou die rigtingvektor in die onderstaande kubus:

                        

Give the [u v w] indices for the direction vector in the cubic unit cell.

Gee die [u v w]-indekse vir die rigtingvektor in die kubieke eenheidsel.
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Consider a cubic shape: Select the correct statement.

Beskou die kubiese vorm: Kies die korrekte stelling.

                              

 

In a cube there are _ faces and _ edges.

In 'n kubus is daar _ gesigte en _ rande.
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Choose the correct statement.

Kies die regte verklaring.

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Is this following statement true or false?

A material where properties are independent of the direction of measurement is anisotropic.

Is die volgende stelling waar of onwaar?

'n Materiaal waar die eienskappe onafhanklik is van die meetrigiting is, is anisotropies.

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Which of the following molecules is not covalently bonded?

Watter van die volgende molekules is nie kovalent gebind nie?

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Select the correct missing statement. 

Kies die korrekte ontbrekende stelling.

Ceramics are often formed from ___-___

Keramiek word dikwels gevorm uit ___-___

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