Q. Admixtures which reduce setting and hardening of concrete are called………
✅ Correct Answer: (B)
retarding admixture
Advance Construction Technology MCQs | Page - 4
Dear candidates you will find MCQ questions of Advance Construction 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. How much calcium chloride is used in the concrete as admixture?
✅ Correct Answer: (A)
2%
Q. Which one is use as retarders?
✅ Correct Answer: (D)
all of the above
Q. Normally………….. gypsum is used in concrete.
✅ Correct Answer: (A)
2% to 4%
Q. Super plasticizers reduce a water requirement in concrete up to……
✅ Correct Answer: (C)
30%
Q. Which one of these is used as air entraining agent in concrete?
✅ Correct Answer: (D)
all of the above
Q. By adding air inside a concrete …………
✅ Correct Answer: (D)
all of the above
Q. Which admixture is used for bonding between old and new surface of concrete?
✅ Correct Answer: (D)
bonding admixture
Q. Higher dose of the super plasticizers causes………
✅ Correct Answer: (C)
a & b both
Q. Optimum air content in concrete is………..
✅ Correct Answer: (A)
3% to 6%
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