Mechanical Engineering

Alloy is ....

• an alloy formed by mixing copper and zinc

• an alloy formed by mixing iron and carbon

• a combination of different metals

• metals containing iron

PVC is ...

• a composite material used to build houses

• a metal not suitable as structural materi al

• a good insulator but brittle

• a type of plastic used for insulation

Tags

NGSS.MS-PS1-3

Ferrous materials is ...

• an alloy formed by mixing iron and carbon

• metals containing iron

• a metal not suitable as structural materi al

• a combination of different metals

Tags

NGSS.MS-PS1-2

Gold: It is the most .... metal and is used to create

precious jewellery. It is the most ductile metal.

• cheap

• rare

• expensive

• extraordinary

Extrusion is ...

• a process used to produce objects with a

  fixed cross-sectional profile.

• a manufacturing process for producing wires, bars and tubes by pulling on material through a series of

  dies until it increases in length.

• metal forming process in which a material (metal, plastic, paper or glass) is passed through a pair of

  rollers.

• the process by which metal is heated and shaped by a compressive force using a hammer or a press.

There are many different metals that can be

made into sheet metal, such as ...

• aluminium, brass, and PVC

• copper, steel, and titanium

• tin, nickel, and brittle

• PVC, plastic and rubber

Ceramic can also be formed into shapes via ...

• casting

• forging

• rolling

• extrusion

drawing / room temperature / is done at

• drawing room temperature is done at

• room drawing is done at temperature

• drawing is room temperature done at

• drawing is done at room temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

can be / brittle materials / extrusion / done / with

• brittle materials can be done with extrusion

• can be brittle materials extrusion done with

• brittle materials done with extrusion can be

• brittle materials can be extrusion done with

Tags

NGSS.HS-PS1-3

Machine parts done by the process ...

• drawing

• casting

• extrusion

• forging