Mortar in Construction

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Questions and Answers

What is the primary purpose of mortars?

To bind building blocks like bricks, tiles, etc.

Why is adhesiveness a crucial property of mortars?

To ensure a strong bond between building blocks.

Why should good mortars be water-proof?

To withstand rainy weather conditions.

What is the significance of durability in mortar properties?

<p>It ensures the ability to last for long durations without wear and tear.</p> Signup and view all the answers

Why should mortar be easy to use and work with?

<p>For usability and practical application.</p> Signup and view all the answers

What issue could arise if mortar is not crack-resistant?

<p>Tiles or building surfaces could develop cracks.</p> Signup and view all the answers

What are the components of cement mortar?

<p>Sand, binder, and water.</p> Signup and view all the answers

What are the two common binders used in mortar?

<p>Portland cement and lime.</p> Signup and view all the answers

What is the primary function of the binder component in mortar?

<p>To bind building blocks together (A)</p> Signup and view all the answers

Which of the following binders was commonly used in mortar before the 20th century?

<p>Lime (D)</p> Signup and view all the answers

What is the purpose of ensuring mortar is water-resistant?

<p>To allow the mortar to withstand rainy weather conditions (C)</p> Signup and view all the answers

Which property of mortar helps prevent cracks in building surfaces due to pressure or temperature variations?

<p>Crack resistance (D)</p> Signup and view all the answers

What is the main reason for the durability of mortar being a significant quality in architectural construction?

<p>To allow the construction to last for long durations without much wear and tear (C)</p> Signup and view all the answers

Which of the following is not a common issue that can be addressed by using a high-quality, crack-resistant mortar?

<p>Difficulty in using and working with the mortar (C)</p> Signup and view all the answers

Which of the following is not a component of cement mortar?

<p>Lime (A)</p> Signup and view all the answers

What is the purpose of the 'usability' property in mortar?

<p>To ensure the mortar is easy to use and work with (B)</p> Signup and view all the answers

Flashcards

Purpose of Mortars

To bind building blocks together, such as bricks and tiles.

Adhesiveness of Mortars

Ensures a strong and lasting connection between building blocks.

Water-Proof Mortar

To protect against water damage and withstand rainy conditions.

Durability of Mortars

Ability to last for extended periods without significant degradation.

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Usability of Mortar

Facilitates application and ensures efficient construction processes.

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Issue with Non-Crack-Resistant Mortar

Cracks can develop on tiles or building surfaces.

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Components of Cement Mortar

Sand, binder, and water.

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Common Binders in Mortar

Portland cement and lime.

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Function of Binder

To bind building blocks together.

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Pre-20th Century Binder

Lime.

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Water Resistance Purpose

To allow the mortar to withstand rainy weather conditions.

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Crack Prevention Property

Crack resistance.

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Durability Significance

To allow the construction to last for long durations without much wear and tear.

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Which of the following is not a component of cement mortar?

Lime

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Mortar Usability

To ensure the mortar is easy to use and work with

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