Civil Engineering - UPSC Civil Service Exam Questions

41. 

Which of the following characteristic features may be used while plotting a contour plan ?
1. Two contour lines having the same elevation cannot unite the continue as one line.
2. Contour lines closed together indicate a gentle slope.
3. Contour lines cross a valley line at right angles.
Select the correct answer using the codes given below:

A. 1, 2 and 3
B. 1 and 2
C. 2 and 3
D. 1 and 3

Answer: Option D

Explanation:

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42. 

The radial moment at the boundary of a simply supported circular slab of radius R, subjected to a uniformly distributed load of w will be

A. wR2/8
B. wR2/12
C. 3wR2/16
D. zero

Answer: Option C

Explanation:

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43. 

Soundness test of cement is done to determine its

A. durability in sea water
B. free-lime content
C. iron oxide content
D. alumina content

Answer: Option B

Explanation:

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44. 

For a non-concurrent force system to be in equilibrium

A. closure of the force polygon alone is sufficient
B. closure of the funicular polygon alone is sufficient
C. both force and funicular polygon must close
D. the conditions mentioned at (a), (b) and (c) are not relevant

Answer: Option C

Explanation:

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45. 

The displacement method is also referred to as which one of the following ?

A. Minimum strain energy method
B. Maxwell-Mohor method
C. Consistent deformation method
D. Slope-deflection method

Answer: Option D

Explanation:

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