In the gate area for non-pressurized casting gating ratio a:b:c? (gati – McqOptions

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1.	In the gate area for non-pressurized casting gating ratio a:b:c? (gating ratio = a: b: c where, a = cross-sectional area of sprue, b: cross-sectional area of runner, c = total cross-sectional area of ingates).
A.	1:2:2
B.	2:2:1
C.	1:4:4
D.	1:4:2
Answer» D. 1:4:2

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