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Civil Engineering Objective Questions { Structural Design Specifications }



99.  Minimum thickness of steel work directly exposed to weather and accessible for cleaning and repainting, the thickness should be not less than
A. 4 mm
B.(8) 6 mm
C. 8 mm
D. 7 mm.

100.  Minimum thickness of steel work directly exposed to weather but not accessible for cleaning and repainting, the thickness should be not less than
A. 4 mm
B. 6 mm
C. 7 mm
D. 8 mm.

101.  The thickness of the steel
A. exposed to weather and accessible for repainting, should be not less than 6 mm
B. in main members not directly exposed to weather should not be less than 6 mm
C. in secondary members not directly exposed to weather shall be not less than 4 5 mm
D. All the above.

102.  The actual length of a column provided with a cap and base, is the distance between
A. top of the base and underside of the cap
B. bottom of the base and underside of the cap
C. top of the base and top of the cap
D. bottom of the base and top of the cap.

103.  The ratio of the effective lengths of two columns, one effectively held in position at one end and partially restrained at the other end, and the other effectively held in position at one end and free at the other end, is
A.5%
B.7.50%
C.10%
D.12.50%

104.  For battened struts, the effective length is increased by
A.5%
B.7.50%
C.10%
D.12.50%

105. If a column is subjected to dead load and super imposed load only, the maximum ratio -1 should not be greater than
A.180
B.250
C.350
D.400

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