Concrete Technology MCQs | Page - 59
Dear candidates you will find MCQ questions of Concrete Technology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The sound absorption coefficient of light weight concrete is nearly ........... than that of ordinary concrete ?
✅ Correct Answer: (A)
twice
Q. The number of bags of cement required per cubic metre of 1:2:4 concrete will be approximately ?
✅ Correct Answer: (D)
5 to 6
Q. The breaking up of cohesion in a mass of concrete is called ?
✅ Correct Answer: (C)
segregation
Q. The removal of excess air after placing concrete helps in increasing the strength of concrete by ?
✅ Correct Answer: (A)
15 to 20%
Q. In order to provide colour, hardness and strength to the cement, the ingredient used is ?
✅ Correct Answer: (D)
iron oxide
Q. In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials burnt at a temperature between ?
✅ Correct Answer: (D)
1500°C to 1600°C
Q. The cement concrete in which high compressive stresses are artificially induced before its actual use, is called ?
✅ Correct Answer: (C)
prestressed cement concrete
Q. The presence of tricalcium silicate in cement ?
✅ Correct Answer: (A)
hydrates the cement rapidly
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