Portland Cement Sets and Gains Strength by Virtue of Its

question 5

Multiple Choice

Portland cement sets and gains strength by virtue of its chemical reaction with

• A)water.
• B)carbon dioxide in air.
• C)oxygen in air.
• D)aggregates.
• E)none of the above.

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Definitions:

Monsoon

Refers to winds that reverse directions depending on the season.

Land Breeze

A local wind that blows from the land to the sea due to higher- pressure air over the land.

Offshore Breeze

A wind that blows from the land towards the sea, typically during the day due to temperature differences.

Low Pressure

An area where the atmospheric pressure is lower than that of the surrounding regions, often leading to poor weather conditions.