Surface runoff resulting from the above storm is equivalent to 28.5 cm of rainfall depth over the basin. Average infilteration index for the basin will be:
Question 2
Consider following statement regarding types of cement:
1) High alumina cement is produced by fusing together a mixture of lime stone, bauxite and gypsum.
2) Final setting time of high alumina cement is less than OPC
3) Initial setting time of rapid hardening cement is less than OPC
4) Rapid hardening cement contains higher percentage of C3S than OPC
Correct statement(s)/are:
Question 3
If a member is subjected to a compressive stress of 50 N/mm2, compressive stress of 50 N/mm2, and tensile stress of 100 N/mm2, along X, Y and Z directions respectively then the resultant strain along the Z – direction is:
(Take E = 2 x 105 MPa, μ = 0.25)
Question 4
Hoop strain in a cylindrical vessel is 3.5 times the longitudinal strain. The value of Poisson’s ratio is:
Question 5
A beam of length l is fixed at its both ends and carries two concentrated loads w1 and w2 at a distance of l/4 and 3l/4 respectively from the left end. If fixed end moment at the left support is twice of that at the right support, correct value of ratio is:
Question 6
Two point loads of 9 kN and 8 kN spaced at 1m; with 9 kN load leading; roll on a beam from left to right as shown in the figure.
The maximum vertical reaction at ‘C’ is:
Question 7
The elements of flexibility matrix of a structure:
1. Are dependent of the choice of coordinates
2. Are always dimensionally homogenous
3. Must always be positive
Correct statement (s) is/are:
Question 8
If the shear reinforcement is not provided in a footing supporting a column of dimension 600 mm x 1000 mm, then the maximum shear stress at critical section using limit state method is: (Take M 25 grade concrete).
Question 9
As per recommendations made by Is 456 : 2000, side face reinforcement in a RCC beam should be provided when the depth of the beam is more than X mm. However, if the beam is subjected to torsion, the side face reinforcement should be provided if depth of the beam exceeds Y mm. The ratio has value:
Question 10
Sample of the water to be used at a construction site was tested in the laboratory and following results were reported:
Chloride Content = 646.52 ppm
Hardness = 130.5 mg/l
pH = 7.80
Consider following statements regarding the water as per IS 456 : 2000.
1. pH of the water is not satisfactory for construction work.
2. Water is suitable any for PCC work and not suitable for RCC work.
3. Hardness of water is within permissible limits.
is:
has value:
