Front face only
Inner face only
Both front face and inner face
None of the above
A. Front face only
Water cement ratio
Workability
Grading of aggregate
Fineness modulus
0.367 xu
0.416 xu
0.446 xu
0.573 xu
0.15% to 2%
0.8% to 4%
0.8% to 6%
0.8% to 8%
30 %
40 %
50 %
60 %
A horizontal line
A vertical line
N.W. inclined line
N.E. inclined line
Dams
Massive foundations
R.C.C. structures
All the above
Plain hot rolled wires
Cold drawn wires
Heat treated rolled wires
All have same tensile strength
Area of each aggregate pile should be large
Height of each aggregate pile should not exceed 1.50 m
Aggregate pile should be left for 24 hours before aggregates are used
All the above
Segregation
Bleeding
Bulking
Creep
Shape
Grading
Compaction
All the above
1.5 and 2.2
2.2 and 1.5
1.5 and 1.5
2.2 and 2.2
Shales
Fly ash
Pumicite
All the above
Lime in excess, causes the cement to expand and disintegrate
Silica in excess, causes the cement to set slowly
Alumina in excess, reduces the strength of the cement
All the above
5 %
10 %
15 %
20 %
Water proof masonry walls
Water proof roof
Few windows which remain generally closed
All the above
Bleeding
Creeping
Segregation
Shrinkage
Ordinary Portland cement
Rapid hardening cement
Low heat cement
Blast furnace slag cement
Forces of tension and compression change but lever arm remains unchanged
Forces of tension and compressions remain unchanged but lever arm changes with the moment
Both forces of tension and compression as well as lever arm change
Both forces of tension and compression as well as lever arm remain unchanged
Less than 12
Less than 18
Between 18 and 24
More than 24
Less than 1
Between 1 and 1.5
Between 1.5 and 2.0
Greater than 2
0.37 fy
0.57 fy
0.67 fy
0.87 fy
Low-heat Portland cement
Rapid hardening Portland cement
Portland blast slag cement
Portland pozzolana cement
Construction joints are necessarily planned for their locations
Expansion joints are provided to accommodate thermal expansion
Construction joints are provided to control shrinkage cracks
All the above
Lime : Silica : Alumina : Iron oxide : 63 : 22 : 6 : 3
Silica : Lime : Alumina : Iron oxide : 63 : 22 : 6 : 3
Alumina : Silica : Lime : Iron oxide : 63 : 22 : 6 : 3
Iron oxide : Alumina : Silica : Lime : 63 : 22 : 6 : 3
The degree of grinding of cement, is called fineness
The process of changing cement paste into hard mass, is known as setting of cement
The phenomenon by virtue of which cement does not allow transmission of sound, is known as soundness of cement
The heat generated during chemical reaction of cement with water, is known as heat of hydration
Wetter mix
Larger proportion of maximum size aggregate
Coarser grading
All the above
Weight 50 kg
Height 18 cm
Plan area 3000 sq. cm
All the above
Dry
Earth moist
Semi-plastic
Plastic
Reduces the shrinkage of concrete
Preserves the properties of concrete
Prevents the loss of water by evaporation
All of the above
A rich mix of concrete possesses higher strength than that a lean mix of desired workability with excessive quantity of water
The strength of concrete decreases as the water cement ratio increases
Good compaction by mechanical vibrations, increases the strength of concrete
None of these