Which among the following casting process is used in the casting of the piston?(a) Investment casting(b) Low-pressure casting(c) Sand casting(d) Gravity die castingThis question was posed to me in homework.Asked question is from Engine Components in portion Basic Engine Components of Automotive Engine Design

Which among the following casting process is used in the casting of th

1.	Which among the following casting process is used in the casting of the piston?(a) Investment casting(b) Low-pressure casting(c) Sand casting(d) Gravity die castingThis question was posed to me in homework.Asked question is from Engine Components in portion Basic Engine Components of Automotive Engine Design
Answer» Correct OPTION is (d) Gravity die casting For explanation I would say: Pistons are either cast or forged. Castings are made by gravity die-cast PROCESS USING 5-piece inner dies, a two-piece outer and usually ahead chill which can form anycast valve pockets and bowls. Core pins are used to form PINHOLES.

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