Civil Engineering - UPSC Civil Service Exam Questions

21. 

The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles α and β subtended by AP, BP and CP at the boat P; and then proceeds to plot the position of P. The problem may become indeterminate is special cases when

A. B and P are on opposite sides of the line AC
B. both B and P are on the same side of the line AC
C. P is within the triangle ABC
D. P is very close to the extension of one of the edges of the triangle ABC

Answer: Option D

Explanation:

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22. 

Horizontal stiffeners are needed in plate girders if the thickness of web is(where d = distance between the flanges and L = span)

A. < 6 mm
B. < d/200
C. < L/500
D. nearly equal to flange thickness

Answer: Option B

Explanation:

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23. 

What is the full width of the land aquired before finalizing highway alignment, known as ?

A. width of formation
B. right of way
C. Carriage way
D. Roadway

Answer: Option B

Explanation:

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24. 

What is the superelevation for a horizontal highway curve of radius 500 m and speed 100 kmph in mixed traffic condition ?

A. 8.9%
B. 6.2%
C. 0%
D. 1%

Answer: Option D

Explanation:

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25. 

Which one of the following is a compression member ?

A. Purlin
B. Boom
C. Girt
D. Tie

Answer: Option B

Explanation:

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