# The proposed dam shown in the figure is 90 m long and the coefficient of permeability of the soil is 0.0013mm/second. The quantity of water (m3) that will be lost per day be seepage is (rounded to the nearest   number)

1.  55

2.  57

3.  59

4.  61

4

61

Explanation :
No Explanation available for this question

# The time for a clay layer to achieve 90% consolidation is 15 years. The time required to achieve 90% consolidation, if the layer were twice as thick, 3 times more permeable and 4 times more compressible would be

1.  70 years

2.  75 years

3.  80 years

4.  85 years

4

80 years

Explanation :
No Explanation available for this question

# The total active thrust on a vertical wall 3m high retaining a horizontal sand backfill (unit weight γt=20 kN/m3, angle of shearing resistance φ1=300) when the water table is at the bottom of the wall, will be

1.  30 kN/m

2.  35 kN/m

3.  40 kN/m

4.  45 kN/m

4

30 kN/m

Explanation :
No Explanation available for this question

# A homogeneous simply supported prismatic beam of width B, depth D and span L is subjected to a concentrated load of magnitude P. The load can be placed anywhere along the span of the beam. The maximum flexural stress developed in beam is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# A 400 slope is excavated to a depth of 10(d)depth of 10 m is a deep layer of saturated clay of unit weight    20kN/m3; the relevant shear strength parameters are cu=72 kN/m2 and φu=0. The rock ledge is at a great depth. The Taylor’s stability coefficient for φu=0 and 400 slope angle is 0.18. The factor of safety of the load is

1.  2.0

2.  2.1

3.  2.2

4.  2.3

4

2.0

Explanation :
No Explanation available for this question

# For the linear elastic beam shown in the figure, the flexural rigidity. EI, is 781250 kN-m2. When w = 10 kN/m, the vertical reaction RA at A is 50 kN. The value of RA for w = 100 kN/m is

1.   500 kN

2.   425 kN

3.   250 kN

4.   75 kN

4

250 kN

Explanation :
No Explanation available for this question

# A point load of 700 kN is applied on the surface of thick layer of saturated clay. Using Boussinesq’s elastic   analysis, the estimated vertical stress (σv) at a depth of 2 m and a radial distance of 1.0 m from the point of  application of the load is

1.  47.5 kPa

2.  47.6kPa

3.  47.7 kPa

4.  47.8kPa

4

47.8kPa

Explanation :
No Explanation available for this question

# In a two dimensional stress analysis, the state of stress at a point is shown below.If s = 120 MPa and t = 70 MPa, then sx and sy are respectively

1.   26.7 MPa and 172.5 MPa

2.   54 MPa and 128 MPa

3.   67.5 MPa and 213.3 MPa

4.   16 MPa and 138 MPa

4

26.7 MPa and 172.5 MPa

Explanation :
No Explanation available for this question

# A nozzle discharging water under head H has an outlet area “a” and discharge coefficient cd=1.0. A vertical plate is acted upon by the fluid force Fj when held across the free jet and by the fluid force Fn when held against the    nozzle to stop the flow. The ratio Fj/Fn is

1.  1/2

2.  1

3.  √2

4.  2

4

1

Explanation :
No Explanation available for this question

1.  2,000N/m2

2.  10,000N/m2

3.  19,620N/m2

4.  98,100N/m2

4