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WorksheetsMETAL FABRICATION
Total questions: 15
Worksheet time: 20mins
Metal Fabrication is a process of transforming metal ores into a desired shape finished product.
TRUE
FALSE
Metal works is a metal forming process by plastic deformation process are change in ......................... and .........................
dimension
length
shape
physical
Hot works refers to processes where metals are plastically deformed below their recrystallization temperature.
TRUE
FALSE
Which of the following statements is TRUE about Hot Works.
Reduce toughness, impact strength and ductility
Expensive
Doesn't produce internal stress in metal.
Produce internal stress in metal.
Which of the following statements is TRUE about Cold Works.
Produce good surface finish on metal.
Doesn’t effect hardness, tensile, fatigue in metal
Doesn't produce internal stress in metal.
Temperature above the recrystallization temperature.
Please choose THREE (3) forming operation of Hot Works.
Forging
Drawing
Extrusion
Hot Rolling
The image shows the _________ operation
stamping
drawing
forging
rolling
During extrusion, the metal of a billet in the container of an extrusion press is forced by a ram through a die so that the metal is continuously deformed into a long length of metal with a uniform desired cross section.
TRUE
FALSE
Please choose TWO (2) forming operation of Cold Works.
Cold Rolling
Extrusion
Drawing
Forging
Picture shows the ________ drawing operation
tube
hollow
wire
die
Please choose THREE (3) types of casting process.
Pressure Die Casting
Lost Wax Casting
Sand Casting
Plastic Casting
Which of the following statements is NOT TRUE about Pressure Die Casting.
This process is for materials which has low melting temperature
This process operated by injection molten metal into metal mould under the pressure
Molten metal of half melt metal are pushed in or injected into mould cavity with the pressure of 20 to 2000 kg/cm2
This process is usually chosen for the production of small quantities of identical, complex casting with intricate (complicated) cores.
Choose the right answer for the label A
die
filler
cope
top
The following image is refer to the _________ casting process.
pressure wax
molten wax
lost wax
pressure die
Lost Wax Casting also known as _________
Investment Casting
Pressure Wax Casting
Molten Wax Casting
Precision Casting
