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 3 of 4.
Suraj shrestha said:
8 years ago
We use M15 grade or greater concrete .(ie we can't use 1:3 ratio .its use for M10)
And we can use 15*15*15 /10*10*10 cube.
So, option A Is incorrect.
And we can use 15*15*15 /10*10*10 cube.
So, option A Is incorrect.
Papay said:
8 years ago
I think C & D are incorrect.
AMAR SAXENA said:
8 years ago
According to me, it is C and D.
Bunty said:
8 years ago
I think option C is incorrect.
Mathi said:
8 years ago
Actually, the proper mix ratio is 1:3.
Dibya said:
8 years ago
I also agree C and D.
But how the answer A is correct? Anybody explain.
But how the answer A is correct? Anybody explain.
Ravi said:
8 years ago
Yes, C and D are incorrect option.
Shubham Umak said:
8 years ago
Yes, option C and D is incorrect. I too agree @Bishal.
Bishal said:
9 years ago
I too think the Option C and D is incorrect.
ABHISHEK NANDI said:
9 years ago
Only option C is incorrect.
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