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All India SSC JE 2017 Civil Engineering - Quiz 18

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Question 1

Body M has twice the weight, twice the projected area and twice the drag coefficient of body N
How many times is the terminal velocity of the body M in air, compared to that of the body N?

Question 2

A mild steel bar of square cross-section has a sectional area 200 mm². It is subjected to an axial force of 20 kN as shown in the below figure. The intensity of the normal tensile stress is N/mm² on the oblique plane 1-1 at 45 ° with the YY-axis which is normal to the longitudinal axis will be

Question 3

At a certain location of a plate girder of web size $Description: E:\Gate\SSC JE Civil Part 1\Practice-Set-10_files\image080.png$ a pair of bearing stiffeners $Description: E:\Gate\SSC JE Civil Part 1\Practice-Set-10_files\image081.png$ is welded. The effective area of bearing stiffeners is
$Description: E:\Gate\SSC JE Civil Part 1\Practice-Set-10_files\image088.png$

Question 4

Consider the following statements:
The function of a launching apron at the end of downstream impervious apron of a weir is
1). To protect the downstream pile from the scour holes progressing in the upstream direction.
2). When the scour holes are formed, to provide for the stones of the falling apron to settle down in the holes and cover them.
3). To provide relief of the uplift pressure at the downstream end.
4). To provide extra length for proper formation of hydraulic jump.
Which of these statements is/are correct?

Question 5

In a consolidation test void ratio decreased from 0.80 to 0.70 when the effective stress was changed form 40 kN/m² to 80 kN/m². What is the compression index?

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