ARC316– Building Components & Methods - III Quiz
10 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of a screed in construction?

  • To add extra strength to the flooring material
  • To create a level surface for applying floor finishes (correct)
  • To act as a protective layer over concrete floors
  • To provide a rough surface for laying floor finishes

    • What is the minimum thickness required for an anhydrite compound screed if a floating finish is needed?

  • 30mm
  • 20mm
  • 25mm
  • 35mm (correct)

    • In what scenario would you use a bonded screed?

  • When you need the screed to bond and harden with concrete (correct)
  • When you need a screed thicker than 30mm
  • When you are laying the screed in large bays or strips
  • When you want the screed to dry quickly

    • What is the purpose of spraying a retarder on concrete?

    <p>To slow down drying of the screed</p> Signup and view all the answers

    Which type of screed is recommended to be at least 40mm thick with good bonding to the concrete base?

    <p>Semi-bonded screed</p> Signup and view all the answers

    What is the purpose of reinforcing a screed with a light mesh?

    <p>Reduce crack formation</p> Signup and view all the answers

    In un-bonded screed, what effect does a lower proportion of cement to sand have?

    <p>Increases rate of shrinkage</p> Signup and view all the answers

    What is the typical ratio of cement to sharp sand used in a floor screed?

    <p>1:4</p> Signup and view all the answers

    In the context of floor screeds, what is the purpose of a fine metal mesh or fibres like polypropylene or glass?

    <p>To provide reinforcement if required</p> Signup and view all the answers

    When applying a floor screed, what are the two main methods discussed in the text?

    <p>Directly bonding to the base or laying un-bonded over insulation</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser