Civil Engineering - Concrete Technology - Discussion
Discussion Forum : Concrete Technology - Section 3 (Q.No. 36)
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.
Discussion:
36 comments Page 2 of 4.
NISHOCH YADAV said:
7 years ago
Here, the question is related to cement not a cement concrete.
So, Ratio = 1:6
size = 70.6mm
temp = 27±2.
So, Ratio = 1:6
size = 70.6mm
temp = 27±2.
Hameed said:
7 years ago
The question is related for cement and not for concrete so answer A is correct.
Wassi said:
7 years ago
D is in correct, but yes concrete is tested in 10*10*10 mould but compressive strength of 10*10*10 is more than stand design concrete.
Ruchir said:
7 years ago
I think option C & D are incorrect.
S .bhakta said:
7 years ago
Option C & D is also incorrect.
Sangam said:
7 years ago
This test is done for concrete not for cement. So, The given answer A is the right one.
Sangam said:
7 years ago
This test is done for concrete not for cement. So, The given answer A is the right one.
Ashu said:
8 years ago
C and D 90% humidity as per is 456.
Gaurav patil said:
8 years ago
Option D is incorrect.
Anilpoojar said:
8 years ago
7.06 * 7.06 * 7.06cm for consistency test.
10 * 10 * 10 for strength test.
10 * 10 * 10 for strength test.
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