Concrete Quality Testing Quiz
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Questions and Answers

What is the test used to determine the consistency of concrete?

  • Penetration test
  • Reflectorized test
  • Tack coat test
  • Slump test (correct)
  • How many samples should be taken for every 75 cu.m fresh concrete?

  • 1 set consist of 3-pcs sample (correct)
  • 3 sets consist of 9-pcs sample
  • 5 sets consist of 15-pcs sample
  • 2 sets consist of 6-pcs sample
  • What is the required size of the test specimen for G.I. sheets?

  • 6 pcs-40mm x 40mm in 1 sht/100shts
  • 4 pcs-70mm x 70mm in 1 sht/100shts
  • 3 pcs-60mm x 60mm in 1 sht/100shts (correct)
  • 5 pcs-50mm x 50mm in 1 sht/100shts
  • What is the penetration grade of blown asphalt?

    <p>0 to 30 penetration grade</p> Signup and view all the answers

    What kind of paint has a reflectance or beads?

    <p>Reflective paint</p> Signup and view all the answers

    What is the rate of application of bituminous tack coat?

    <p>0.2 to 0.7 L/sq. m</p> Signup and view all the answers

    What is the length required for the RSB sample for quality test?

    <p>1 meter for every 10,000 kilograms of shipment</p> Signup and view all the answers

    What is the sample for compressive strength determination of a structural concrete?

    <p>Concrete cylinder sample</p> Signup and view all the answers

    What is the test to determine the consistency of concrete?

    <p>Slump test</p> Signup and view all the answers

    What is the required size of test specimen for G.I. sheets?

    <p>3 pieces of 60mm x 60mm per sheet</p> Signup and view all the answers

    What kind of paint has a reflectance or beads?

    <p>Reflectorized paint</p> Signup and view all the answers

    For how long or how many hours shall a bituminous prime coat be left undisturbed?

    <p>24 hours</p> Signup and view all the answers

    What is the test used to determine the consistency of concrete?

    <p>CBR test</p> Signup and view all the answers

    What is the penetration grade of blown asphalt?

    <p>30-60 penetration grade</p> Signup and view all the answers

    What kind of sample is taken for flexural test?

    <p>Concrete beam sample</p> Signup and view all the answers

    What is the required size of the test specimen for G.I. sheets?

    <p>3 pcs - 60mm x 60mm in 1 sht/100shts</p> Signup and view all the answers

    How many samples should be taken for every 75 cu.m fresh concrete?

    <p>1 set consist of 3-pcs sample</p> Signup and view all the answers

    What is the rate of application of bituminous tack coat?

    <p>0.8 to 1.3 L/sq. m</p> Signup and view all the answers

    What is the standard specification for LL and PI of Item 201?

    <p>Maximum of 25% and maximum of 6% respectively</p> Signup and view all the answers

    What asphalt is commonly known as hot asphalt or penetration grade asphalt?

    <p>Asphalt Cement</p> Signup and view all the answers

    How can you determine that the sample placed in the oven is already oven-dried?

    <p>If the sample reaches its constant weight</p> Signup and view all the answers

    What is the machine used for abrasion test?

    <p>Los Angeles Abrasion Machine</p> Signup and view all the answers

    What are the other terms for sieve analysis?

    <p>Grading Test, Particle Size Distribution Test, Mechanical Analysis</p> Signup and view all the answers

    What is the degree of compaction of the soil if the wet density is 2,200 kg/m3, with an actual moisture content of 10.2%, and a maximum dry density of 1,960 kg/m3?

    <p>101.86%</p> Signup and view all the answers

    What is the difference between hygroscopic moisture content from natural moisture content?

    <p>Hygroscopic moisture content is the moisture content after oven drying, while natural moisture content is the moisture content in the field.</p> Signup and view all the answers

    What is the use of blown asphalt?

    <p>As joint filler and water proofing</p> Signup and view all the answers

    What is the formula in obtaining the value of PI?

    <p>$PI = Liquid Limit - Plastic Limit$</p> Signup and view all the answers

    Why is it advisable to cool an oven-dried sample before weighing it?

    <p>To avoid thermal expansion affecting its weight</p> Signup and view all the answers

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