Where B.M. and S.F. are small
Where the member is supported by other member
At 18 m apart in huge structures
All the above
D. All the above
Finer grinding
Burning at high temperature
Increased lime cement
Higher content of tricalcium
1 : 3 : 6
1 : 2 : 4
1 : 1 ½ : 3
1 : 4 : 8
Less than 1
Between 1 and 1.5
Between 1.5 and 2.0
Greater than 2
The least lateral dimension of the member
Sixteen times the smallest diameter of longitudinal reinforcement bar to be tied
Forty-eight times the diameter of transverse reinforcement
Lesser of the above three values
Reduces the shrinkage of concrete
Preserves the properties of concrete
Prevents the loss of water by evaporation
All of the above
Shear strength
Tensile strength
Compressive strength
None of these
Ordinary Portland cement
Rapid hardening cement
Low heat cement
Blast furnace slag cement
Increasing the depth of beam
Using thinner bars but more in number
Using thicker bars but less in number
Providing vertical stirrups
Elastic modulus of high tensile steel is nearly the same as that of mild steel
Elastic modulus of high tensile steel is more than that of mild steel
Carbon percentage in high carbon steel is less than that in mild steel
High tensile steel is cheaper than mild steel
Extremely low
Very low
Low
High
5% by weight of aggregates plus 20% of weight of cement
10% by weight of aggregates plus 10% of weight of cement
5% by weight of aggregates plus 30% of weight of cement
30% by weight of aggregates plus 10% of weight of cement
Weakness of concrete
Excessive laitance
Segregation
All the above
(i) and (ii),
(ii) and (iii)
(i) and (iv)
(iii) and (iv)
Less
More
Equal
None of the above
Bulking of sand is caused due to formation of a thin film of surface moisture
Fine sand bulks more than coarse sand
The volume of fully saturated sand, is equal to the volume of dry and loose sand
All the above
70 litres of sand and 120 litres of aggregates
70 kg of sand and 140 litres of aggregates
105 litres of sand and 140 litres of aggregates
105 litres of sand and 210 litres of aggregates
Roads
Retaining walls
Lining of canals
All the above
Shape
Grading
Compaction
All the above
Is always less than 1
Is always greater than 1
Can be more than 1
Can be less than 1
Depends upon the amount of water used in the mix
Does not depend upon the quality of cement mixed with aggregates
Does not depend upon the quantity of cement mixed with aggregates
All the above
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
P = [(Z - X)/(Z - Y)] × 100
P = [(X - Z)/(Z - Y)] × 100
P = [(X - Z)/(Z + Y)] × 100
P = [(Z + X)/(Z - Y)] × 100
L-shaped wall
T-shaped wall
Counterfort type
All of the above
10 mm
15 mm
25 mm
13 mm
Are provided where plane changes abruptly
Are provided to ensure minimum resistance
Do not carry reinforcement across them
All the above
30 %
40 %
50 %
60 %
Volume of water to that of cement
Weight of water to that of cement
Weight of concrete to that of water
Both (a) and (b) of the above
Course
Medium
Medium to fine
Fine
7 days
14 days
21 days
28 days
Zone I
Zone II
Zone III
Zone IV