Building Technology: Estimating Materials & Finishes
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Questions and Answers

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?

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

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

    <p>To measure the quantity of sand and gravel</p> Signup and view all the answers

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

    <p>The mortar becomes unusable</p> Signup and view all the answers

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

    <p>To carry loads aside from their own weight</p> Signup and view all the answers

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

    <p>Adopting the bigger cell size</p> Signup and view all the answers

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

    <p>The varying sizes of the cells in the blocks</p> 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?

    <p>To fill the hollow cells of every block</p> Signup and view all the answers

    What is not a type of concrete hollow block?

    <p>Filling block</p> Signup and view all the answers

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

    <p>Bearing and non-bearing blocks</p> 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?

    <p>Beam ceiling</p> Signup and view all the answers

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

    <p>Hardwoods or Douglas fir</p> Signup and view all the answers

    What is the purpose of estimating ceiling materials?

    <p>To ensure accurate quantity of materials</p> Signup and view all the answers

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

    <p>How to Estimate CEILING WORKS</p> Signup and view all the answers

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

    <p>Simplified Construction Estimate</p> Signup and view all the answers

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

    <p>Seatwork</p> Signup and view all the answers

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