Quiz 1

What is the basic structural unit for all engineering material

• Proton

• Neutron

• Atom

• Electron

Occurs in compound that are composed of both metallic and non metallic element

• Covalent bonding

• Ionic Bonding

• Metallic Bonding

• Primary Atomic Bonding

What type of bonding

• Metallic Bonding

• Covalent Bonding

• Ionic Bonding

• Secondary Bonding

How many Bravais structure exist

• 2

• 14

• 7

• 5

What is the crystal structure shown

• BCC

• HCP

• FCC

• Simple Cubic

What is APF for BCC structure

• 0.68

• 0.52

• 1.633

• 0.74

Crystal structure is perfect and has no defect that can affect their physical and mechanical properties

• True

• False

What is the type of the defect

A _____ is special type of grain boundary across which there is a specific mirror lattice symmetry

Define dislocation