The Best Shape Of A Runner In Sand Casting Is An Inverted Frustum Of

1.	The Best Shape Of A Runner In Sand Casting Is An Inverted Frustum Of A Cone Why ?
Answer» TAPERED SHAPE with bigger DIAMETER at top and SMALLER at bottom ensures avoidance of entrainment or absorption of air/gases into the metal while passing through the RUNNER. Tapered shape with bigger diameter at top and smaller at bottom ensures avoidance of entrainment or absorption of air/gases into the metal while passing through the runner.

The Best Shape Of A Runner In Sand Casting Is An Inverted Frustum Of A Cone Why ?

Answer»

TAPERED SHAPE with bigger DIAMETER at top and SMALLER at bottom ensures avoidance of entrainment or absorption of air/gases into the metal while passing through the RUNNER.

Tapered shape with bigger diameter at top and smaller at bottom ensures avoidance of entrainment or absorption of air/gases into the metal while passing through the runner.

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The Best Shape Of A Runner In Sand Casting Is An Inverted Frustum Of A Cone Why ?

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