BEMTENG

What are structural imperfections in crystalline solids called?

• Crystallographic Defects

• Crystalline Defects

• Crystalline Imperfections

• Crystallographic Imperfections

It is a type of glass commonly used for car windows.

• Metallic glass

• Ceramic glass

• Laminated glass

• Tempered glass

In a crystal, if a fault exists in the arrangement at a point, it is called as

• a.Point Defect

• b.Single defect

• c.Space defect

• d.Primary defect

Which of the following is not a crystal system?

• a.Cubic

• b.Trigonal

• c.Triclinic

• d.Hexaclinic

All of the following statements are true for corrosion and false for erosion except:

• A. it is a chemical reaction

• B. turns metal into a more stable metal

• C. is a galvanic process

• D. can be affected by liquids

Superconductors transmit electricity with little to no resistance, when they are ___

• a.Cooled to a certain temperature

• b.Heated to a certain temperature

• c.Wet

• d.Dry

Which of the following is not an example of a method that protects against corrosion?

• A. Cathodic protection

• B. Painting

• C. Polishing

• D. none of the above

The points which shows the position of atoms in a crystal are called as

• A. Crystal Lattice

• B. Crystal Parameters

• C. Bravais Lattice

• D. Lattice Point

Stainless steel is a/an ________ alloy.

• a.Vacant

• b.Interstitial

• c.Substitution

• d.Pure

Which of the following is an example of additive manufacturing of material?

• Lathing

• 3d printing

• sawing

• milling