1
GATE CE 1997
MCQ (Single Correct Answer)
+1
-0.3
The permissible tensile stress in concrete made of M 25 concrete is
A
3.5 N/mm2
B
60 N/mm2
C
2.5 N/mm2
D
None of the above
2
GATE CE 1997
MCQ (Single Correct Answer)
+1
-0.3
The cylinder strength of the concrete is less than the cube strength because of
A
The difference in the shape of the cross-section of the specimens
B
The difference in the slenderness ratio of the specimens
C
The friction between the concrete specimens and the steel plate of the testing machine
D
The cubes are tested without capping but the cylinders are tested with capping
3
GATE CE 1995
MCQ (Single Correct Answer)
+1
-0.3
Workability of concrete is influenced most by its
A
Water-cement ratio
B
Aggregate-cement ratio
C
Cement content
D
Water content
4
GATE CE 1994
MCQ (Single Correct Answer)
+1
-0.3
Grading of aggregate in a concrete mix is necessary to achieve
A
Adequate workability
B
Higher density
C
Reduction in Voids
D
Better durability
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