Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process.
75) which of the following statement is wrong?
The casting produced by centrifugal casting method have open and coarse grained structure
Related Workshop Technology MCQ with Answers
non-ferrous alloys with low melting temperature are casted
In a hot chamber die casting machine Nonferrous alloys with low melting temperature are casted
In Hot Chamber Die Casting. Hot chamber machinery contains the alloy melting pot as part of the machine itself and uses a gooseneck to inject material from the pot into the die.
materials used in hot chamber die casting are zinc, lead and magnesium alloys.
no core is used
Centrifugal casting is a process that delivers components of high material soundness. . By spinning a mold while molten metal is poured into it, centrifugal force acts to distribute the molten metal in the mold at pressures approaching 100 times the force of gravity.
symmetrical shape about horizontal axis
The centrifugal casting method, is used for casting articles of Symmetrical shape about horizontal axis.
shell molding
Shell moulding is an expendable mold casting process that uses a resin covered sand to form the mold.
the most preferred process for casting gas turbine blades is Shell moulding.