Structural Analysis - Study Mode

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[#11] The effective length of lacing is the distance

(A) Between the inner end rivets of the bar for single lacing

(B) 0.7 of the distance between the inner end rivets of the bar for double lacing

(C) Between the inner ends of effective lengths of welds connecting the members

(D) All the above

Correct Answer

(D) All the above

[#12] For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

(A) Is increased

(B) Is decreased

(C) Remains unchanged

(D) Becomes zero

Correct Answer

(C) Remains unchanged

[#13] For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust

(A) Is increased

(B) Is decreased

(C) Remains unchanged

(D) Becomes zero

Correct Answer

(B) Is decreased

[#14] If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.

(A) 40%

(B) 50%

(C) 60%

(D) 70%

Correct Answer

(C) 60%

[#15] The deformation of a spring produced by a unit load is called

(A) Stiffness

(B) Flexibility

(C) Influence coefficient

(D) Unit strain

Correct Answer

(B) Flexibility