Foundry Metallurgy - Study Mode

[#46] Sprue in casting refers to . . . . . . . .
Correct Answer

(D) Vertical passage

[#47] The shrinkage allowance for 6mm section malleable cast iron is . . . . . . . . mm.
Correct Answer

(A) 10.4

[#48] If two parts of a mould are not joined properly, the casting may have the following defect.
Correct Answer

(D) Flash

[#49] The solidification time for a cube casting having 5 cms side is 10 minutes. Under similar condition of heat transfer, the solidification time, inminutes, for a cube casting having 10 cm side will be
Correct Answer

(C) 40

[#50] In a casting, shrinkage occurs
Correct Answer

(B) only during transformation from liquid to solid