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Types of Cement

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Questions and Answers

What is the primary characteristic of Pozzolan Cement?

High tricalcium silicate content

Inert silicious material that combines with lime to produce a cementitious matter (correct)

Waterproofing substance added to ordinary Portland cement

High alumina content

What is a key factor in determining the type of cement to use in construction?

Availability of cement

Personal preference

Type of construction (correct)

Cost of cement

What is the main purpose of Sulphate-resisting Cement?

To provide a waterproofing substance to ordinary Portland cement

To provide a high early strength

To resist the attack of water containing dissolved sulphate on the concrete (correct)

To improve the economy of the cement

Why is it important to use high-strength cement in some constructions?

To ensure the concrete lasts long Signup and view all the answers

What is the main difference between OPC-based Rapid hardening Portland Cement and ordinary Portland cement?

Finer grinding of cement particles Signup and view all the answers

What is the purpose of the field test where you throw a handful of cement into a bucket of water?

To check the floating properties of the cement Signup and view all the answers

What should you feel when you thrust your hand into the cement bag?

A cool feeling Signup and view all the answers

What is the primary characteristic of High Alumina Cement?

High alumina content and high early strength Signup and view all the answers

What is the main factor that affects the suitability of cement?

Weather and environmental conditions Signup and view all the answers

What should be the texture of the cement when you take a pinch of it and feel between your fingers?

Smooth Signup and view all the answers