WorksheetsForming Methods
Total questions: 14
Worksheet time: 1hrs 10mins
Casting is NOT an appropriate process for mass production
True
False
Which of the following is NOT true about casting
Material in liquid form is poured into a mould
Liquid is allowed to solidify
The mould can only be made from sand
Sand cast objects are often strong in compression but weak in tension
Which of the following ARE true of casting
Complex shapes are possible
Hollow shapes are NOT possible
Can create large production runs
Some types of casting do not require liquid material
Which of the following is NOT a part of the sand casting process
Scaling
Riser
Cope
Drag
Which of the following is typical of sand casting
The mould can NOT be reused
High quality surface finish
Possibility for shrinkage
It is cheap
Hot rolling requires more force to plastically deform steel than cold rolling
True
False
Which of the following are benefits of hot rolling
Recrystallisation of the microstructure
Internal stresses are eliminated
The material is work hardened
Grain size is reduced
Which of the following are features of cold rolling
Great dimensional accuracy
No need for scaling
Lower strength compared to hot rolling
High quality surface finish
Which of the following is true about work hardening
Object becomes more ductile and malleable
Build up of internal stresses
Strength increases
Object becomes more brittle
What forming process would be used for the following materials
Casting
Rolling
Extrusion
What forming process would be used for the following materials
Casting
Rolling
Extrusion
What forming process would be used for the following materials
Casting
Rolling
Extrusion
What are the two types of extrusion
Hot Extrusion
Direct Extrusion
Indirect Extrusion
Permanent Extrusion
Which of the following is true about extrusion
Good surface finish
High dimensional accuracy
Cheap
Can form complex shapes such as tubes
