Cem I

What is the purpose of Cement in Concrete ?

• To increase concrete hardness

• To reduce shrinkage

• To bind the materials together

• To increase workability

Hydraulic Cement sets and hardens by the action of Air

• True

• False

Portland Cement is Hydraulic Cement

• True

• False

In which method for cement production the raw materials can be mixed easily and we can take a homogeneous material

• Wet Process

• Dry Process

In which method of cement production we have lower heat consumption?

• Wet Process

• Dry Process

The chemical composition of cement can not influence the characteristics of cement

• True

• False

Fine cement or Coarse cement presents higher heat of hydration?

• Fine

• Coarse

Soundness is the ability of cement to maintain a stable volume after setting

• True

• False

Which Cement would you use for the production of High Performance Concrete ?

• 32.5 N

• 42.5 N

• 42.5 R

• 52.5 N

Which type of cement would you use in urgent works that require rapid setting and rapid hardening ?

• 42.5 L

• 42.5 N

• 42.5 R