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Civil Engineering Objective Questions { Steel Structure Design }



92. When a tension member consists of two channel sections, the allowance for rivet hole is made for two holes from
A. each web
B. each flange
C. both webs
D. each web or one hole from each flange whichever is less.

93.  When a tension member is made of four angles with a plate as a web, the allowance for holes is made as
A. two holes for each angle and one hole for the web
B. one hole for each angle and one hole for the web
C. one hole for each angle and two holes for the web
D. two holes for each angle and two holes for the web

94.  For a single section used as a tension member, the given area is assumed
A. 20% to 30% in excess of the net area
B. 30% to 40% in excess of the net area
C. 40% to 50% in excess of the net area
D. 50% to 60% in excess of the net area

95.  IS 800? 1971 recommends that in a splice plate the number of rivets carrying calculated shear stress through a packing greater than 6 mm thick, is to be increased by 2.5% for every
A. 1 00 mm thickness of packing
B. 1.50 mm thickness of packing
C. 2.0 mm thickness of packing
D. 2 50 mm thickness of packing

96.  In a truss girder of a bridge, a diagonal consists of mild steel flat 400 I.S.F. and carries a pull of 80 tonnes. If the gross diameter of the rivet is 26 mm, the number of rivets required in the splice, is
A.6
B.7
C.8
D.9

97.  Lug angle is
A. used with single angle member
B. not used with double angle member
C. used with channel member
D. all the above.

98. A beam is defined as a structural member subjected to
A. axial loading
B. transverse loading
C. axial and transverse loading
D. none of these.

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