Civil Engineering - UPSC Civil Service Exam Questions

1.
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
1.88 g/cm3
1.80 g/cm3
1.98 g/cm3
1.70 g/cm3
Explanation:
No answer description is available. Let's discuss.

2.
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 ?
64 m
40 m
164 m
80 m
Explanation:
No answer description is available. Let's discuss.

3.
In a gusseted base, when the end of the column is machined smooth for complete bearing, the axial load is transferred to base slab :
Fully through fastening
Fully by direct bearing
50 % by direct bearing and 50% through fastening
60 % by direct bearing and 40% through fastening
Explanation:
No answer description is available. Let's discuss.

4.
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
3. Momentum of jet is unchanged
4. Plate moves at a constant velocity
Choose the correct answer using the codes given below :
1, 2 and 4
1, 2 and 3
2, 3 and 4
1, 3 and 4