Q. In hand mixing …….. % more cement is added in mix.
✅ Correct Answer: (C)
10
Advance Construction Technology MCQs | Page - 13
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. Concrete mixer are generally designed to run at a speed of ……….. Revolution per minute.
✅ Correct Answer: (C)
15 to 20
Q. For proper mixing about…………. revolution are required.
✅ Correct Answer: (D)
25 to 30
Q. The process of mixing, transporting, placing and compacting concrete should not take more than ……. min any case.
✅ Correct Answer: (A)
90
Q. Commonly use retarders is……
✅ Correct Answer: (D)
All of the above
Q. Inert material of a cement concrete mix, is
✅ Correct Answer: (C)
aggregate
Q. Placing of concrete should preferably be done at a temperature of
✅ Correct Answer: (D)
27 ± 2°C
Q. The aggregate impact value of the aggregate used in
✅ Correct Answer: (D)
all the above
Q. On a grading curve, the gap grading is represented by
✅ Correct Answer: (A)
a horizontal line
Q. Bulking of sand is
✅ Correct Answer: (D)
swelling of sand when wetted
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