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 (C)</p> Signup and view all the answers

What kind of paint has a reflectance or beads?

<p>Reflective paint (D)</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 (B)</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 (D)</p> Signup and view all the answers

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

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

What is the test to determine the consistency of concrete?

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

What kind of paint has a reflectance or beads?

<p>Reflectorized paint (B)</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 (C)</p> Signup and view all the answers

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

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

What is the penetration grade of blown asphalt?

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

What kind of sample is taken for flexural test?

<p>Concrete beam sample (B)</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 (A)</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 (D)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>Asphalt Cement (D)</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 (B)</p> Signup and view all the answers

What is the machine used for abrasion test?

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

What are the other terms for sieve analysis?

<p>Grading Test, Particle Size Distribution Test, Mechanical Analysis (C)</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% (C)</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. (D)</p> Signup and view all the answers

What is the use of blown asphalt?

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

What is the formula in obtaining the value of PI?

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

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