Civil Engineering - UPSC Civil Service Exam Questions

31. 

The Chezy's coefficient C is related to Darcy-Weisbach friction factor f as

A. C = (g/8f)
B. C = (6g/f)
C. C = (8g/f)
D. C = (f/8g)

Answer: Option C

Explanation:

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32. 

What is the maximum permissible longitudinal pitch in staggered riveted compression joints ?

A. 500 mm
B. 400 mm
C. 300 mm
D. 100 mm

Answer: Option C

Explanation:

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33. 

For determining the forces in the members of a truss by graphic statics, the method of substitution will be required in the case of

A. Fink truss
B. Howe truss
C. King post truss
D. Warren truss

Answer: Option A

Explanation:

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34. 

A Rankine (oval) half-body PP is subjected to a two-dimen-sional flow (x, y coordinate directions from origin O) with uniform velocity V, resulting in typical streamlines as shown in the figure by dotted lines. The point A on the body surface is

A. separation point
B. stall point
C. stagnation point
D. point of maximum velocity

Answer: Option C

Explanation:

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35. 

A projectile is fired horizontally with a velocity of 6 m/s from a point of height h m above and 12 m away from an object. What is the value of h required so that projectile hits the object ?

A. 4.9 m
B. 9.8 m
C. 6 m
D. 19.6 m

Answer: Option D

Explanation:

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