Which of the following would not happen if hot strength is not enough?(a) The mould may get hardened(b) The mould may get enlarged(c) The mould may get eroded(d) The mould may crackI got this question in unit test.I would like to ask this question from Properties of Molding Sands topic in section Molding and Core Sands of Casting-Forming-Welding I

Which of the following would not happen if hot strength is not enough?

1.	Which of the following would not happen if hot strength is not enough?(a) The mould may get hardened(b) The mould may get enlarged(c) The mould may get eroded(d) The mould may crackI got this question in unit test.I would like to ask this question from Properties of Molding Sands topic in section Molding and Core Sands of Casting-Forming-Welding I
Answer» The correct OPTION is (a) The MOULD may get hardened Best EXPLANATION: If there is not an adequate amount of hot strength PROVIDED, then the mould may get enlarged, the mould may get eroded and the mould may crack, but the mould will not get hardened.

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