The GATE Grind

GATE 2020 MT – Question 17

Manufacturing Processes · Metal casting · 1 mark · MTA

In green-sand casting, which is NOT part of the gating system?

  1. Runner
  2. Sprue
  3. Riser
  4. Pouring basin

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Correct answer: MTA

Explanation

The pouring basin, sprue and runner carry liquid metal into the mold. A riser primarily supplies liquid to compensate solidification shrinkage and is commonly distinguished as part of the feeding system, which would suggest C in that terminology. However, the source officially awards marks to all for this question. The record retains MTA grading rather than overriding that disposition with a normal single-choice answer.

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