Structural Analysis MCQ Questions & Answers

41

The minimum horizontal distance between two parallel main reinforcing bars, is

A) The diameter of the bar if their diameters are same B) The diameter of the longer bar if their diameters are unequal C) 5 mm more than nominal maximum size of the coarse aggregate D) Greatest value of the above

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Answer & Solution

Answer: Option D

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42

A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be

A) 8 kN-m B) 15 kN-m C) 30 kN-m D) 60 kN-m

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Answer & Solution

Answer: Option C

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43

If in a pin-jointed plane frame (m + r) > 2j, then the frame is
(Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints)

A) Stable and statically determinate B) Stable and statically indeterminate C) Unstable D) None of the above

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Answer & Solution

Answer: Option B

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44

A rigid-jointed plane frame is stable and statically determinate if (where m is number of members, r is reaction components and j is number of joints)

A) (m + r) = 2j B) (m + r) = 3j C) (3m + r) = 3j D) (m + 3r) = 3j

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Answer & Solution

Answer: Option C

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45

A pin-jointed plane frame is unstable if (where m is number of members, r is reaction components and j is number of joints)

A) (m + r) < 2j B) (m + r) = 2j C) (m + r) > 2j D) None of the above

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Answer & Solution

Answer: Option A

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46

The degree of static indeterminacy of a pin-jointed space frame is given by (where m is number of unknown member forces, r is unknown reaction components and j is number of joints)

A) m + r - 2j B) m + r - 3j C) 3m + r - 3j D) m + r + 3j

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Answer & Solution

Answer: Option B

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47

The degree of static indeterminacy up to which column analogy method can be used is

A) 2 B) 3 C) 4 D) Unrestricted

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Answer & Solution

Answer: Option B

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48

When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would

A) Change from compression to tension B) Change from tension to compression C) Always be compression D) Always be tension

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Answer & Solution

Answer: Option A

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49

Pick up the incorrect statement from the following:

A) The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness B) The gross section of the web of channels is the depth of the web multiplied by its thickness C) The gross section of the web of plate girders is the depth of the web plate multiplied by its thickness D) None of these

Discuss

Answer & Solution

Answer: Option D

Solution:

All the given statements are correct definitions related to the gross sectional area of webs in different structural members.

Option A: The gross section of the web of rolled I-beams is accurately calculated as the depth of the beam multiplied by the web thickness.

Option B: For channel sections, the gross area of the web is indeed obtained by multiplying the depth of the web by its thickness.

Option C: In the case of plate girders, the gross section of the web is correctly given by the product of the web plate depth and its thickness.

Since none of the given statements are incorrect, the correct answer is Option D: None of these.

50

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

A) 2 B) 3 C) 4 D) 6

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Answer & Solution

Answer: Option D

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Structural Analysis MCQ Questions & Answers | Civil Engineering