Cement- Concrete

Which of the following is the most critical stage in cement manufacturing?

• The decompositon stage

• The Kiln Stage

• The dry Process

• The final grinding

Which of the following is NOTone of the man compounds of cement

• C3AF

• C2S

• C3A

• C3S

Which of the following is the best type of cement for a sewage system?

• OPC

• White Cement

• RHPC

• SRPC

Cement is NOT a sustainable material because...

• the extraction of raw materials harms livestock

• Waste product runs off to the oceans

• of the amount of energy required to produce it

Which of the following cement replacements has been proven to be more environmentally friendly when compared to each other after 28 days?

• CSF

• PFA

• GGBS

• Natural Pozzolan

Which water- cement ratio should be considered if the following properties are required from the concrete: high compressive strength, frost resistance, and minimum shrinkage?

• Low ratio

• High ratio

• Half Half

Which of the following is NOT a test for the consistency of concrete?

• Slip Test

• Compacting Factor Test

• Vebe Test

• Flow Table Test

Which of the following admixtures is used to increase the workability of concrete without the addition of water?

• Retarders

• Accelerators

• Plasticizers/Superplasticizers