The end moment (in kNm units) developed in the roof level beams in the laterally loaded frame shown below (with all columns having identical cross-sections), according to the Cantilever Method of simplified analysis, is

1. 7.5

2. 15

3. 20

4. 30

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Correct Answer :

Explanation :
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Consider the following two statements related to structural steel design, and identify whether they are TRUE or FALSE: I. The Euler buckling load of a slender steel column depends on the yield strength of steel. II. In the design of laced column, the maximum spacing of the lacing does not depend on the slenderness of column as a whole

1. Both statements I and II are TRUE

2. Statement I is TRUE, and statement II is FALSE

3. Statement I is FALSE, and statement II is TRUE

4. Both statements I and II are FALSE

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Correct Answer :

Both statements I and II are FALSE

Explanation :
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Identify the two FALSE statements from the following four statements. I. The consolidation of soil happens due to the change in total stress. II. When Standard Penetration Tests are performed in fine sands below the water table, the dilation correction is applied after the overburden correction is applied. III. Over consolidated clays will have predominantly cohesive strength as compared to the frictional strength. IV. Compaction of soils is due to expulsion of water

1. II & III

2. I & IV

3. I & III

4. II & IV

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Correct Answer :

I & IV

Explanation :
No Explanation available for this question

The coefficients of permeability of a soil in horizontal and vertical directions are 3.46 and 1.5 m/day respectively. The base length of a concrete dam resting in this soil is 100 m. When the flow net is developed for this soil with 1 : 25 scale factor in the vertical direction, the reduced base length of the dam will be

1. 2.63 m

2. 4.00 m

3. 6.08 m

4. 5.43 m

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Correct Answer :

2.63 m

Explanation :
No Explanation available for this question

A plate load test was conducted in sand on a 300 mm diameter plate. If the plate settlement was 5 mm at a pressure of 100 kPa, the settlement (in mm) of a 5 m x 8 m rectangular footing at the same pressure will be

1. 9.4

2. 18.6

3. 12.7

4. 17.8

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Correct Answer :

17.8

Explanation :
No Explanation available for this question

A 15 cm length of steel rod with relative density of 7.4 is submerged in a two layer fluid. The bottom layer is mercury and the top layer is water. The height of top surface of the rod above the liquid interface in 'cm' is

1. 8.24

2. 7.82

3. 7.64

4. 7.38

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Correct Answer :

7.38

Explanation :
No Explanation available for this question

The direct runoff hydrograph of a storm obtained from a catchment is triangular in shape and has a base period of 80 hours. The peak flow rate is 30 m 3/sec and catchment area is 86.4 km 2. The rainfall excess that has resulted the above hydrograph is

1. 5 cm

2. 8 cm

3. 10 cm

4. 16 cm

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Correct Answer :

5 cm

Explanation :
No Explanation available for this question

A trapezoidal channel with bottom width of 3m and side slope of IV:1.5H carries a discharge of 8.0 m 3/sec with the flow depth of 1.5m. The Froude number of the flow is

1. 0.066

2. 0.132

3. 0.265

4. 0.528

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Correct Answer :

0.265

Explanation :
No Explanation available for this question

In a 1/50 model of a spillway, the discharge was measured to be 0.3 m 3/sec. The corresponding prototype discharge in m 3/sec is

1. 2.0

2. 15.0

3. 106.0

4. 5303.0

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Correct Answer :

5303.0

Explanation :
No Explanation available for this question

If the BOD 5,20 of waste is 150mg/L and the reaction rate constant (to the base 'e') at 20°C is 0.35/day, then the ultimate BOD in mg/L is

1. 97.5

2. 181.5

3. 212.9

4. 230.5

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Correct Answer :

181.5

Explanation :
No Explanation available for this question

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