Cement Chemistry

How many grades of OPC cements are there?

• a) 1

• b) 2

• c) 3

• d) 4

How is concrete tested for its strength?

• a) By pouring into cubes

• b) By making slabs

Free CaO in cement comes from?

• Limestone

• Shale

• Clay

• Gypsum

In the figure below, what does ‘a’ represents?

• a) Combustion chamber

• b) Wash mill

• c) Kiln

• d) Dryer

How much does a bag of cement weigh?

• a) 1 kg

• b) 10 kg

• c)50 kg

• d)100 kg

What is released during the production of clinker?

• a) CaCO3

• b) CO2

• c) Ca(OH)2

• d) CO

Which stone provides the calcareous component required for the manufacture of cement?

• a) Lime

• b) Limestone

• c) Marble

• d) Granite

LSF>100% causes ______________

The components of clinker are called ________________ compounds

What compound is called a set regulator