Fire-resistant mortar is obtained by the addition of ____________ to the powder of fire-bricks.(a) Silica(b) Sodium silicate(c) Aluminous cement(d) Caustic sodaThe question was posed to me in semester exam.This intriguing question originated from Mortar topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials

Fire-resistant mortar is obtained by the addition of ____________ to t

1.	Fire-resistant mortar is obtained by the addition of ____________ to the powder of fire-bricks.(a) Silica(b) Sodium silicate(c) Aluminous cement(d) Caustic sodaThe question was posed to me in semester exam.This intriguing question originated from Mortar topic in portion Steel, Timber, Mortar, Plastics, Non-Ferrous Metals and Alloys of Construction & Building Materials
Answer» The correct option is (c) ALUMINOUS cement Best explanation: FIRE-RESISTANT mortar is obtained by the addition of aluminous cement to the powder of fire-bricks. Because this mortar is fire resistant, it is used with fire bricks for lining furnaces, ovens, etc.

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