Consider the following statements:The addition of surfactants in the c – McqOptions

MCQOPTIONS

1.	Consider the following statements:The addition of surfactants in the concrete mix results in:1. increase in the water-cement ratio2. decrease in the water-cement ratio3. increase in the strength of concrete4. decrease in the curing duration5. increase in the density of concreteWhich one of the following statements is correct?
A.	3, 4 and 5 only
B.	2, 3 and 5 only
C.	1, 3 and 4 only
D.	1, 4 and 5 only
Answer» C. 1, 3 and 4 only

Discussion

No Comment Found

Related MCQs

The strength of well compacted concrete with good workability is depended only on the _________
________ method is based on the principle that the densest concrete is achieved by proportioning its aggregate in such a manner that the heaviest weight of concrete for same volume is obtained.
For lean concrete bases and simple foundation for masonry walls ________ grades of concrete may be used.
The theory of formation of __________ is based on the phenomenon of the formation of voids.
Aerated concrete is produced by the addition of:
Non-uniform compaction may cause the concrete:
Polymer concrete is used specifically when desirable concrete is to be ______.
A sample of concrete is prepared by using 500 g of cement with water cement ratio of 0.55 and 240 N/mm2 intrinsic strength of gel. The theoretical strength of concrete on full hydration will be nearly
If the compressive strength difference of the three test specimens is more than the following, then the test should be done again.
If the compacting factor of a concrete is 0.90, then what will be the workability according to Indian Standards?