1
GATE CE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Workability of concrete can be measured using slump, compaction factor and Vee bee time. Consider the following statements for workability of concrete:

(i) As the slump increases, the Vebe time increases

(ii) As the slum increases, the compaction factor increases

Which of the following is TRUE?
A
Both (i) and (ii) are True
B
Both (i) and (ii) are False
C
(i) is True and (ii) is False
D
(i) is False and (ii) is True
2
GATE CE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider the following statements for air-entrained concrete:

(i) Air-entrainment reduces the water demand for a given level of workability

(ii) Use of air-entrained concrete is required in environments where cyclic freezing and thawing is expected.

Which of the following is TRUE?
A
Both (i) and (ii) are True
B
Both (i) and (ii) are False
C
(i) is True and (ii) is False
D
(i) is False and (ii) is True
3
GATE CE 2015 Set 1
Numerical
+2
-0
The composition of an air-entrained concrete is given below:

Water : 184 kg /m3

Ordinary Portland Cement(OPC) : 368 kg /m3

Sand : 606 kg /m3

Coarse aggregate : 1155 kg /m3

Assume the specific gravity of OPC, sand and coarse aggregate to be 3.14, 2.67 and 2.74, respectively. The air content is_________ liters/m3
Your input ____
4
GATE CE 2015 Set 1
Numerical
+2
-0
Consider the singly reinforced beam section given below (left figure). The stress block parameters for the cross-section from $$IS:$$ $$456$$ - $$2000$$ are also given below (right figure). The moment of resistance for the given section by the limit state method is ______ $$kN$$-$$m.$$ GATE CE 2015 Set 1 Reinforced Cement Concrete - Singly Reinforced Sections Question 5 English
Your input ____
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