Structural Analysis MCQ Questions & Answers

31

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

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Answer & Solution

Answer: Option D

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32

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

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Answer & Solution

Answer: Option C

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33

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

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Answer & Solution

Answer: Option B

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34

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%

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Answer & Solution

Answer: Option C

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35

The deformation of a spring produced by a unit load is called

A) Stiffness B) Flexibility C) Influence coefficient D) Unit strain

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Answer & Solution

Answer: Option B

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36

The number of independent equations to be satisfied for static equilibrium of a plane structure is

A) 1 B) 2 C) 3 D) 6

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Answer & Solution

Answer: Option C

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37

To generate the j^th column of the flexibility matrix

A) A unit force is applied at coordinate j and the displacements are calculated at all co-ordinates B) A unit displacement is applied at co-ordinate j and the forces are calculated at all co-ordinates C) A unit force is applied at coordinate j and the forces are calculated at all co-ordinates D) A unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

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Answer & Solution

Answer: Option A

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38

The three moments equation is applicable only when

A) The beam is prismatic B) There is no settlement of supports C) There is no discontinuity such as hinges within the span D) The spans are equal

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Answer & Solution

Answer: Option C

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39

The Castigliano's second theorem can be used to compute deflections

A) In statically determinate structures only B) For any type of structure C) At the point under the load only D) For beams and frames only

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Answer & Solution

Answer: Option B

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40

Bending moment at any section in a conjugate beam gives in the actual beam

A) Slope B) Curvature C) Deflection D) Bending moment

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Answer & Solution

Answer: Option C

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Structural Analysis MCQ Questions & Answers | Civil Engineering