Civil Engineering :: UPSC Civil Service Exam Questions
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A soil has a bulk density of 1.80 g/cm3 at water content of 5%. If the void ratio remains constant, then its bulk density for a water content of 10% will be
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The base width of a soil gravity dam is 25 m. The material of the dam has a specific gravity of 2.56 and the dam is designed as an elementary profile ignoring uplift. What is the approximate allowable height of the dam ?
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In a gusseted base, when the end of the column is machined smooth for complete bearing, the axial load is transferred to base slab :
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Which of the following assumptions are made in the analysis of jet impinging normally on a moving plate?
1. Friction between jet and plate is neglected
2. Flow is steady
3. Momentum of jet is unchanged
4. Plate moves at a constant velocity
Choose the correct answer using the codes given below : -
A 3000 m long line lying at an elevation of 450 m measures 10 cm on a vertical photograph.
The focal length of the camera is 21 cm. The scale of the photograph for the area having an elevation of 1000 m will be -
While driving a large number of piles in loose sand :
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Surface tension of water when in contact with air is 0.0737 N/m. The difference of pressure between the inside and outside of a droplet of rain water 1 mm in diameter is nearly equal to
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The upstream slope of an earth dam under steady seepage condition is
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What are the magnitudes of horizontal and vertical support reactions, respectively at support. A of the frame shown in figure below ?
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Consider the following statements :
Shrinkage of concrete depends upon the
1. relative humidity of the atmosphere.
2. passage of time.
3. applied stress.
Which of these statements is/are correct ?
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A.
It is advantageous to follow a sequence of pile driving such that the inner piles are driven first and then proceed outwards
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B.
It is advantageous to follow a sequence of pile driving such that the piles near the periphery are driven first and inner piles are driven later
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C.
It is advantageous to follow a sequence of pile driving such that alternately inner and outer piles are driven
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D.
Driving of piles can be done in any random order
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