Effective depth of slab from periphery of column/drop panel
d/2 from periphery of column/capital/ drop panel
At the drop panel of slab
At the periphery of column
B. d/2 from periphery of column/capital/ drop panel
Length 30 cm, breadth 25 cm, height 30 cm
Length 39 cm, breadth 25 cm, height 32 cm
Length 27 cm, breadth 27 cm, height 48 cm
Length 220 cm, breadth 25 cm, height 40 cm
100 kg/cm2
150 kg/cm2
200 kg/cm2
300 kg/cm2
10 %
12 %
15 %
25 %
Higher workability indicates unexpected increase in the moisture content
Higher workability indicates deficiency of sand
If the concrete mix is dry, the slump is zero
All the above
Smaller creep and shrinkage
Greater density and smaller permeability
Improved frost resistance
All the above
100 kg/cm2
150 kg/cm2
200 kg/cm2
250 kg/cm2
Wholly parabolic
Wholly rectangular
Parabolic above neutral axis and rectangular below neutral axis
Rectangular above neutral axis and parabolic below neutral axis
Less
More
Equal
None of the above
Are provided where plane changes abruptly
Are provided to ensure minimum resistance
Do not carry reinforcement across them
All the above
Has a definite yield point
Does not show definite yield point but yield point is defined by 0.1% proof stress
Does not show definite yield point but yield point is defined by 0.2% proof stress
Does not show definite yield point but yield point is defined by 2% proof stress,
Colour
Strength
Controlling setting time
None of these
Water content and its temperature
Shape and size of the aggregates
Air entraining agents
All the above
Deflect downward
Deflect upward
Deflect downward or upward
None of the above
Both ends hinged
Both ends fixed
One end fixed and other end hinged
One end fixed and other end free
Water cement ratio
Workability
Grading of aggregate
Fineness modulus
Thin particles
Flat particles
Elongated particles
All the above
35 MPa and 42 MPa
42 MPa and 35 MPa
42 MPa and 53 MPa
53 MPa and 42 MPa
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
Contraction joint
Expansion joint
Construction joint
Both (a) and (b)
Residual does not exceed 10% when sieved through IS Sieve No. 9
Soundness varies from 5 to 10 mm
Initial setting time is not less than 30 minutes
Compressive stress after 7 days, is not less than 175 kg/cm2
Increases workability
Decreases workability
Decreases resistance to weathering
Increases strength
l/3
l/5
l/7
l/10
0.43 d
0.55 d
0.68 d
0.85 d
0.003
0.0003
0.00003
0.03
Fineness test
Consistency test
Test for setting time
Test for tensile strength
Increasing the depth
Providing shear reinforcement
Using high strength steel
Using thinner bars but more in number
1/4
1/5
1/6
1/8
The free water is the amount of water added while mixing and the amount of water held on the surface of the aggregates prior to mixing
The total water is the free water and the amount actually absorbed by the aggregates
Neither (a) nor (b)
Both (a) and (b)
100 kg/cm2
150 kg/cm2
200 kg/cm2
250 kg/cm2
M 100
M 150
M 200
M 250