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Total Questions : 1012 | Page 97 of 102 pages
Question 961. 8. The mixture of different ingredients of cement, is burnt at
  1.    1000?C
  2.    1200?C
  3.    1400?C
  4.    1600?C
 Discuss Question
Answer: Option C. -> 1400?C
Question 962. 1.  For quality control of Portland cement, the test essentially done is
  1.    setting time
  2.    soundness
  3.    tensile strength
  4.    all the above
 Discuss Question
Answer: Option D. -> all the above
Question 963. 6.  For a good concrete
  1.    aggrcgates should be hard and durable
  2.    cement should be sufficient to produce the required strength
  3.    water should be free from organic materials
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 964. 7.  Cement used for normal concrete construction, is obtained by burning a mixture of
  1.    silicious and argillaceous materials
  2.    argilaceous and calcareous materials
  3.    silicious and catcareous materials
  4.    silicious, argillaceous and calcareous materials
 Discuss Question
Answer: Option D. -> silicious, argillaceous and calcareous materials
Question 965. 0.  For construction of structures in sea water, the cement generally preferred to, is
  1.    Portland-pozzolana cement
  2.    quick setting cement
  3.    low heat Portland cement
  4.    rapid hardening cement
 Discuss Question
Answer: Option A. -> Portland-pozzolana cement
Question 966. 2.  Vicat apparatus is used for
  1.    fineness test
  2.    consistency test
  3.    test for setting time
  4.    test for tensile strength
 Discuss Question
Answer: Option B. -> consistency test
Question 967. 3.  The cement becomes useless if its absorbed moisture content exceeds
  1.    1%
  2.    2%
  3.    3%
  4.    5%
 Discuss Question
Answer: Option D. -> 5%
Question 968. 4.  The size of fine aggregates does not exceed
  1.    275 min
  2.    300 mm
  3.    375 mm
  4.    4 75 mm
 Discuss Question
Answer: Option D. -> 4 75 mm
Question 969. 5.  Mloo grade of concrete approximates
  1.    1: 3: 6 mix
  2.    1 :1 :2 mix
  3.    1: 2: 4 mix
  4.    1:15 : 3 mix
 Discuss Question
Answer: Option A. -> 1: 3: 6 mix
Question 970. 6.  M150 grade of concrete approximates
  1.    1: 3: 6 mix
  2.    1: 15 : 3 mix
  3.    1: 2: 4 mix
  4.    1: 1 : 2 mix
 Discuss Question
Answer: Option B. -> 1: 15 : 3 mix

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