Construction Materials Testing Quiz
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Questions and Answers

What is the primary purpose of a Curing Tank?

  • To determine the strength development and durability of mortar and concrete specimens (correct)
  • To test the crushing strength of aggregates used for roads and pavements
  • To determine the surface wear resistance of aggregates
  • To test the resistance of aggregates to sudden shock or impact loads

    • What is the primary purpose of a Crushing Test Machine for Aggregates?

  • To determine the numerical index of strength of crushed aggregates used for roads and pavements (correct)
  • To determine the surface wear resistance of aggregates by continuous abrasion or scratching
  • To determine the strength development and durability of mortar and concrete specimens
  • To determine the relative value of the resistance of aggregates to sudden shock or impact loads

    • What is the primary purpose of an Impact Testing Machine for Aggregates?

  • To determine the strength development and durability of mortar and concrete specimens
  • To determine the numerical index of strength of crushed aggregates used for roads and pavements
  • To determine the surface wear resistance of aggregates by continuous abrasion or scratching
  • To determine the relative value of the resistance of aggregates to sudden shock or impact loads (correct)

    • What is the primary purpose of a Dorry Abrasion Testing Machine?

    <p>To determine the surface wear resistance of aggregates by continuous abrasion or scratching</p> Signup and view all the answers

    Which property is NOT listed as a physical property of materials in the text?

    <p>Tensile Strength</p> Signup and view all the answers

    Which of the following is NOT listed as a mechanical property of materials in the text?

    <p>Thermal Deformation</p> Signup and view all the answers

    What is the primary purpose of maintaining standard conditions like temperature and moisture content in testing?

    <p>To ensure the quality and conformity of materials</p> Signup and view all the answers

    Which apparatus is NOT typically used in the testing of materials?

    <p>Wire Mesh</p> Signup and view all the answers

    Why is sampling and testing considered the most important way to ensure quality and specification of construction materials?

    <p>To guarantee the quality and specifications of the materials</p> Signup and view all the answers

    What is the function of the Universal Testing Machine (UTM) for Compression and Tensile?

    <p>Testing material strength under compression and tension</p> Signup and view all the answers

    Which apparatus is used in determining the Proctor compaction test?

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

    What equipment is essential for carrying out the Mortar Flow Table test?

    <p>Mixing Pan</p> Signup and view all the answers

    What is the purpose of determining the normal consistency of hydraulic cement paste according to ASTM C187?

    <p>To find the minimum water quantity required for forming a uniform paste</p> Signup and view all the answers

    In the context of ASTM C191, what defines the initial setting time of hydraulic cement?

    <p>The time at which a needle fails to penetrate the cement paste</p> Signup and view all the answers

    What ASTM standard is used to test the time of setting of hydraulic cement by Vicat Needle?

    <p>ASTM C191</p> Signup and view all the answers

    What defines the final setting time of hydraulic cement according to ASTM C191?

    <p>The time when a specific needle makes an impression on the paste</p> Signup and view all the answers

    What characteristic does the normal consistency test help in determining for hydraulic cement paste?

    <p>Specific gravity</p> Signup and view all the answers

    Which property of hydraulic cement is NOT typically evaluated using ASTM standards?

    <p>Color variation</p> Signup and view all the answers

    Which of the following is NOT a standard test method established by national and international bodies like ISO and ASTM?

    <p>Testing for mechanical properties</p> Signup and view all the answers

    Which of the following is NOT a characteristic of construction materials?

    <p>Articles that are to be utilized or consumed during construction</p> Signup and view all the answers

    Which of the following is NOT a standard test method for aggregates?

    <p>Determining ductility of bitumen</p> Signup and view all the answers

    Which of the following is NOT a standard test method for bitumen?

    <p>Determining fineness of cement</p> Signup and view all the answers

    Which of the following is NOT a standard test method for cement?

    <p>Compressive Strength Test</p> Signup and view all the answers

    What is the defining characteristic of a pozzolan according to ASTM C595?

    <p>It reacts chemically with calcium hydroxide in the presence of moisture to form cementitious compounds</p> Signup and view all the answers

    What is the primary constituent of slag cements?

    <p>Granulated blast-furnace slag</p> Signup and view all the answers

    Which type of cement is produced by calcining a naturally occurring argillaceous limestone at a temperature below the sintering point?

    <p>Natural cement</p> Signup and view all the answers

    What is the primary constituent of Portland cement according to ASTM C150?

    <p>Hydraulic calcium silicates</p> Signup and view all the answers

    Which type of cement is produced by pulverizing clinker?

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

    Which type of cement is defined as a hydraulic cement consisting mostly of an intimate and uniform blend of granulated blast-furnace slag and hydrated lime?

    <p>Slag cement</p> Signup and view all the answers

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