Multiple Choice
Turbulence during pouring of the molten metal is undesirable for which of the following reasons (two best answers) :
A) it causes discoloration of the mold surfaces
B) it dissolves the binder used to hold together the sand mold
C) it increases erosion of the mold surfaces
D) it increases the formation of metallic oxides that can become entrapped during solidification
E) it increases the mold filling time
F) it increases total solidification time
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Heating a metal from room temperature to
Q2: Metal inserts in the walls of a
Q3: Casting is a process in which molten
Q4: In casting, a flask is which one
Q5: According to the empirical relationship in the
Q7: The pattern that determines the geometry of
Q8: During solidification of an alloy when a
Q9: Solidification shrinkage in casting is defined as
Q10: In a sand-casting mold, the V/A ratio
Q11: A riser in casting is described by