11.What is the purpose of “Chaplet” in metal casting?
To support core
12.What is the purpose of “Chill” in metal casting?
To increase the cooling rate
13.What is the purpose of “Riser” in metal casting?
To store molten metal for serving later on volume shrinkage and To identify whether mould is filled or not
14.Orthogonal Cutting is
15.Oblique Cutting is
16.Examples of multipoint cutting tool?
Drill bit, Milling cutter, Grinding wheel
17.The life of single point cutting tool is _____ the multipoint cutting tool.
18.Ductile materials produce which kind of chip during machining?
19.Brittle materials produce which kind of chip during machining?
20.Cast iron produces which kind of chip during machining?