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
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
The degree of static indeterminacy up to which column analogy method can be used is
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
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
Select an option to see the answer and solution.
The number of independent equations to be satisfied for static equilibrium in a space structure is
Select an option to see the answer and solution.
Which of the following is not the displacement method?
A. Equilibrium method
B. Column analogy method
C. Moment distribution method
D. Kani's method
Select an option to see the answer and solution.
Which of the following methods of structural analysis is a displacement method?
A. Moment distribution method
B. Column analogy method
C. Three moment equation
D. None of the above
Select an option to see the answer and solution.
The carryover factor in a prismatic member whose far end is fixed is
Select an option to see the answer and solution.
The degree of kinematic indeterminacy of a pin-jointed space frame is (where m, r and j have their usual meanings)
A. 2j - r
B. 3j - r
C. j - 2r
D. j - 3r
Select an option to see the answer and solution.
The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings)
A. m + r - 2j
B. m + r - 3j
C. 3m + r - 3j
D. 6m + r - 6j
Select an option to see the answer and solution.
Castigliano’s first theorem is applicable
A. For statically determinate structures only
B. When the system behaves elastically
C. Only when principle of superposition is valid
D. None of the above
Select an option to see the answer and solution.
Which of the following methods of structural analysis is a force method?
A. Slope deflection method
B. Column analogy method
C. Moment distribution method
D. None of the above
Select an option to see the answer and solution.
Principle of superposition is applicable when
A. Deflections are linear functions of applied forces
B. Material obeys Hooke's law
C. The action of applied forces will be affected by small deformations of the structure
D. None of the above
Select an option to see the answer and solution.
The effective and actual lengths of a cantilever are same if continuous at the support,
A. Unstrained against torsion at the support and free at the end
B. With partial restraint against torsion of the support and free at the end
C. Restrained against torsion at the support and free at the end
D. None of these
Select an option to see the answer and solution.
When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies
A. Less than the left half span
B. Whole of left half span
C. More than the left half span
D. Whole span
Select an option to see the answer and solution.