Civil Engineering - Concrete Technology
Exercise : Concrete Technology - Section 3
- Concrete Technology - Section 1
- Concrete Technology - Section 2
- Concrete Technology - Section 3
- Concrete Technology - Section 4
- Concrete Technology - Section 5
36.
Pick up the incorrect statemnt from the following. For performing compressive strength test of cement
cement and standard sand mortar are used in the ratio of 1 : 3
water is added at the rate of 
+ 3.0 percentage of water where P is the percentage of water for standard consistency
+ 3.0 percentage of water where P is the percentage of water for standard consistencyA cube mould of 10 cm x 10 cm x 10 cm is used
The perpared moulds are kept in a atmosphere of 90% relative humidity
The temperature of water in the submerged tank for curing moulds, should be 27° ± 2°C.
37.
For concreting tunnel linings, tran-portation of concrete is done by
38.
The operation of removing humps and hollows of uniform concrete surface, is known as
39.
The void ratio of
40.
The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is
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