71.  A column splice is used to increase
A. length of the column
B. strength of the column
C. cross-sectional area of the column
D. none of these.

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72. If the depth of two column sections are equal, then the column splice is provided
A. with filler plates
B. with bearing plates
C. with filler and hearing plates
D. none of these.

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73.  If the depth of the section of an upper column is smaller than the lower column
A. filler plates are provided with column splice
B. bearing plates are provided with column splice
C. neither filler plates nor bearing plates are provided with column splice
D. filler plates and bearing plates are provided with column splice

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74. When the upper column does not provide full bearing area over lower column, the column splice is provided with the following assumption
A. bearing plate is assumed as a short beam to transmit the axial load to the lower column section
B. axial load is assumed to be taken by flanges
C. load transmitted from the flanges of upper column and reactions from the flanges of lower columns are equal/ and form a couple
D. all the above.

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75.  Pick up the correct statement from the following :
A. Loaded columns are supported on column bases
B. Column bases transmit the column load to the concrete foundation
C. Column load is spread over a large area on concrete
D. All the above.

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76. To keep the intensity of bearing pressure between the column base and concrete, compressive throughout the length of the column base, the ratio of the moment M to axial load P should be
A. < -3
B. < -6
C. > -L
D. < -E .

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77. Column footing is provided
A. to spread the column load over a larger area
B. to ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
C. to distribute the column load over soil through the column footing
D. all the above.

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