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Q: High alumina cement is produced by fusing together a mixture of:
  • A. Limestone and bauxite
  • B. Limestone, bauxite and gypsum
  • C. Limestone, gypsum and clay
  • D. Limestone, gypsum, bauxite, clay and chalk
Correct Answer: Option A - It is manufactured from limestone or chalk and bauxite (Special clay having extremely high alumina content). • High alumina cement/ calcium Aluminate cement is very reactive and has very high compressive strength. It used as monolithic refractory binding agent. High temperature resistance (1580⁰C)
A. It is manufactured from limestone or chalk and bauxite (Special clay having extremely high alumina content). • High alumina cement/ calcium Aluminate cement is very reactive and has very high compressive strength. It used as monolithic refractory binding agent. High temperature resistance (1580⁰C)

Explanations:

It is manufactured from limestone or chalk and bauxite (Special clay having extremely high alumina content). • High alumina cement/ calcium Aluminate cement is very reactive and has very high compressive strength. It used as monolithic refractory binding agent. High temperature resistance (1580⁰C)