Building Technology: Estimating Materials & Finishes

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What is a common mistake made by workers during block laying that affects the estimated quantity of materials?

Mixing sand and gravel with cement without using a measuring box (correct)

Using a measuring box to measure sand and gravel

Dumping excess mortar in a designated area

Preparing a box for measuring sand or gravel according to specified measurements

Why do masons often prepare a box for measuring sand or gravel not in accordance with specified measurements?

To ensure accurate measurements

To save time and effort (correct)

To increase their workload

To follow traditional practices

What happens to excess mortar after installing hollow blocks?

It is stored for future use

It is disposed of properly

It is dumped in a certain corner of the construction site (correct)

It is used for other construction tasks

What is the ratio of cement to sand for a 1:4 mixture per cubic meter?

9.0 bags of cement to 7.0 cu.m of sand Signup and view all the answers

What is the purpose of measuring boxes during block laying work?

To measure the quantity of sand and gravel Signup and view all the answers

What is the consequence of adding cement to over-exposed mixed mortar?

The mortar becomes unusable Signup and view all the answers

What is the primary purpose of load-bearing concrete hollow blocks?

To carry loads aside from their own weight Signup and view all the answers

What is the recommended approach for computing the required materials for concrete hollow block works?

Adopting the bigger cell size Signup and view all the answers

What is the main factor that affects the estimated quantity of materials for concrete hollow block works?

The varying sizes of the cells in the blocks Signup and view all the answers

What is the purpose of considering the quantity of cement and sand for mortar to fill the hollow cells of every block?

To fill the hollow cells of every block Signup and view all the answers

What is not a type of concrete hollow block?

Filling block Signup and view all the answers

What are the two types of concrete hollow blocks classified as?

Bearing and non-bearing blocks Signup and view all the answers

What type of ceiling is typically found in hallways and corridors for commercial settings and living and dining rooms for residential settings?

Beam ceiling Signup and view all the answers

What type of wood is often used to make beam ceilings?

Hardwoods or Douglas fir Signup and view all the answers

What is the purpose of estimating ceiling materials?

To ensure accurate quantity of materials Signup and view all the answers

What is the name of the YouTube video that provides guidance on estimating ceiling materials?

How to Estimate CEILING WORKS Signup and view all the answers

What is the title of the book that provides guidance on estimating construction materials?

Simplified Construction Estimate Signup and view all the answers

What type of exercise is provided at the end of the chapter?

Seatwork Signup and view all the answers