Maximum strains in an extreme fibre in concrete and in the tension reinforcement (Fe-415 grade and Es=200 kN/mm2) in a balanced section at limit state of flexure are respectively

1.  0.0035 and 0.0038

2.  0.002 and 0.0018

3.  0.0035 and 0.0041

4.  0.002 and 0.0031

View Answer  
4
Correct Answer :

0.0035 and 0.0038


Explanation :
No Explanation available for this question

The stiffness K of a beam deflecting in a symmetric mode, as shown in the figure, is

1.  EI/L

2.  2EI/L

3.  4EI/L

4.  6EI/L

View Answer  
4
Correct Answer :

2EI/L


Explanation :
No Explanation available for this question

A masonry dam is founded on previous sand having porosity equal to 45% and specific gravity of sand particles is 2.65. For a desired factor of safety of 3 against sand boiling, the maximum permissible upward gradient will be

1.  0.225

2.  0.302

3.  1.0

4.  None of these

View Answer  
4
Correct Answer :

0.302


Explanation :
No Explanation available for this question

A double draining clay layer, 6m thick, settles by 30mm in three years under the influence of a certain loads. Its final consolidation settlement has been estimated to be 120 mm. If a thin layer of sand having negligible thickness is introduced at a depth of 1.5m below the top surface, the final consolidation settlement of clay layer will be

1.  60 mm

2.  120 mm

3.  240 mm

4.  None of these

View Answer  
4
Correct Answer :

120 mm


Explanation :
No Explanation available for this question

A double draining clay layer, 6m thick, settles by 30mm in three years under the influence of a certain loads. Its final consolidation settlement has been estimated to be 120 mm. If a thin layer of sand having negligible thickness is introduced at a depth of 1.5m below the top surface, the final consolidated settlement of clay layer will be

1.  60 mm

2.  120mm

3.  240 mm

4.  None of these

View Answer  
4
Correct Answer :

60 mm


Explanation :
No Explanation available for this question

A granular soil possesses saturated density of  20 kN/m3. Its effective angle friction is 35 degrees. If the desired factor of safety is 1.5, the safe angle of slope for this soil, when seepage occurs at and parallel to the surface, will be

1.  250

2.  230

3.  200

4.  130

View Answer  
4
Correct Answer :

250


Explanation :
No Explanation available for this question

In a plate load test conducted on cohesionless soil, a 600 mm square test plate settles by 15mm under a load intensity of 0.2 N/mm2. All conditions remaining the same, settlement of a 1m square footing will be

1.  less than 15 mm

2.  greater than 25 mm

3.  15.60 mm

4.  20.50

View Answer  
4
Correct Answer :

greater than 25 mm


Explanation :
No Explanation available for this question

For a two-dimensional irrotational flow, the velocity potential is defined as φ = In (x2+y2). Which of the following is a possible stream function, ψ, for this flow

1.  ( ½) tan-1 (y/x)

2.  tan-1 (y/x)

3.  2 tan-1 (y/x)

4.  2 tan-1 (x/y)

View Answer  
4
Correct Answer :

2 tan-1 (y/x)


Explanation :
No Explanation available for this question

A flat plate is kept in an infinite fluid medium. The fluid has a uniform free-stream velocity parallel to the plate.For the laminar boundary layer formed on the plate, pick he correct option matching Columns I and II. Column I Column II P.Boundary layer thickness 1.decreases in the flow direction Q.Shear stress at the plate. 2.Increases in the flow direction R.Pressure gradient along the plate. 3.remains unchanged Codes: p q r

1.  1 2 3

2.  2 2 2

3.  1 1 1

4.  2 1 3

View Answer  
4
Correct Answer :

2 2 2


Explanation :
No Explanation available for this question

A laboratory model of a river is built to a geometric scale of 1:00. The fluid used in the model is oil of mass density 900 kg/m3. The highest flood in the river is 10,000 m3/s. The corresponding discharge in the model shall be

1.  0.95 m3/s.

2.  0.100 m3/s

3.  0.105 m3/s.

4.  10.5 m3/s.

View Answer  
4
Correct Answer :

0.100 m3/s


Explanation :
No Explanation available for this question
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