MATERIAL TECHNOLOGY

Atoms can achieve stable configuration by                     .

• Loosing ions
• Gaining from
• Sharing atoms
• All the above

Dipole bond is                        type of bond

• Primary
• Secondary
• Tertiary
• None

An example for Primary bond is                   .

• Dipole
• Hydrogen
• Ionic
• Atomic

The bond exist between electron cloud and positive ions is                            .

• Ionic
• Covalent
• Metalic
• Hydrogen

An example of Crystalline structure is                           .

• Metals
• Glass
• Wood
• Plastics

An example of Amorphous structure is                         .

• Steel
• Glass
• Copper
• Aluminium

The coordination no. of BCC structure is             .

• 8
• 12
• 14
• 17

The coordination no, of FCC structure is             .

• 8
• 9
• 12
• 17

The coordination no. of HCP structure is             .

• 8
• 9
• 12
• 17

Vacancy is                      type of defects.

• Point
• Line
• Surface
• None