# Civil Engineering - UPSC Civil Service Exam Questions

46.
Two perfectly elastic spheres of equal mass moving in the same direction with their velocities in the ratio 2 : 1 have an impact. After the impact, the two spheres will
move in the same direction
have in velocity in the ratio of 1 : 2
move in opposite directions with velocity the ratio of 1: 2
move in the same direction with velocity the ratio of 1: 2
Explanation:
No answer description is available. Let's discuss.

47.
For the design of a simply supported RCC T-beam, the ratio of the effective span to the overall depth of the beam should not exceed
10
20
30
40
Explanation:
No answer description is available. Let's discuss.

48.
The typical density in kg/cm (in situ) of well-compacted municipal solid waste in landfill is in the range of
100 to 300
310 to 500
550 to 850
900 to 1100
Explanation:
No answer description is available. Let's discuss.

49.
What is the y-coordinate of the centroid of the area ABCDE shown in the figure given aside ?
3.2
3.3
3.4
3.5