Q1/A) Answer only Seven_of the following multiple choice: 1- Brass can be classified in one of the following materials categories: a- Ferrous material. b- Non-ferrous material. c- Composite material....

Extracted text: Q1/A) Answer only Seven_of the following multiple choice: 1- Brass can be classified in one of the following materials categories: a- Ferrous material. b- Non-ferrous material. c- Composite material. d- Non-metallic. 2- The crystal lattice has a --- a- One dimensional. b- Two dimensional. c- Three dimensional d- Four dimensional. 3- The coordination number for FCC structure is: arrangement а- 2 b- 4 с-8 d- 12 properties c-Mechanical 4- Material density classified as a- Physical. 5- The ability of materials to resist impact is named a- Ductility. 6- One of the following hardness tests are not classified as a macro hardness test: b- Chemical. d- Thermal. b- Toughness. c- Strength. d- Elasticity. a-Brinell hardness. b-Vickers hardness. c- Knoop diamond. d-Rockwell hardness. 7- Due to Allotropy phenomenon, Iron in range of temperature varried between 769 and 910 C° has one of the following names and crystal strutures: a- Gamma (BCC). 8- One of the following hardening processes not need to tempering process after hardening: a- Sub-zero harding d- stepped hardening. b- Gamma (FCC). с- Beta (FCC). d- Beta (BCC). b- hardening at constant temperture. C- direct hardening.