1
GATE CE 2007
MCQ (Single Correct Answer)
+1
-0.3
Consider the following statements:

1. The compressive strength of concrete decreases with increase in water-cement ratio of the concrete mix.

2. Water is added to the concrete mix for hydration of cement and workability.

3. Creep and shrinkage of concrete are independent of the water-cement ratio in the concrete mix.

The true statements are
A
1 and 2
B
1, 2 and 3
C
2 and 3
D
only 2
2
GATE CE 2005
MCQ (Single Correct Answer)
+1
-0.3
The flexural strength of M30 concrete as per IS: 456-2000 is
A
3.83 MPa
B
5.47 MPa
C
21.23 MPa
D
30.0 MPa
3
GATE CE 2005
MCQ (Single Correct Answer)
+1
-0.3
The partial factor of safety for concrete as per IS: 456-2000 is
A
1.50
B
1.15
C
0.87
D
0.446
4
GATE CE 2002
MCQ (Single Correct Answer)
+1
-0.3
Modulus of elasticity of M25 grade concrete in MPa is
A
25000
B
36000
C
45600
D
54000
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