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

A. move in the same direction
B. have in velocity in the ratio of 1 : 2
C. move in opposite directions with velocity the ratio of 1: 2
D. move in the same direction with velocity the ratio of 1: 2

Answer: Option D

Explanation:

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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

A. 10
B. 20
C. 30
D. 40

Answer: Option A

Explanation:

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48. 

The typical density in kg/cm (in situ) of well-compacted municipal solid waste in landfill is in the range of

A. 100 to 300
B. 310 to 500
C. 550 to 850
D. 900 to 1100

Answer: Option B

Explanation:

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49. 

What is the y-coordinate of the centroid of the area ABCDE shown in the figure given aside ?

A. 3.2
B. 3.3
C. 3.4
D. 3.5

Answer: Option B

Explanation:

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50. 

In a plate load test on sandy soil, the test plate of 60 cm x 60 cm undergoes a settlement of 5 mm at a pressure of 12 x 104 N/m2. What will be the expected settlement of 3 m x 3 m footing under same pressure ?

A. 25 mm
B. 20 mm
C. 15 mm
D. 9 mm

Answer: Option D

Explanation:

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