Design Steel Structures Lacings Online Exam Quiz
Design Steel Structures Lacings GK Quiz. Question and Answers related to Design Steel Structures Lacings. MCQ (Multiple Choice Questions with answers about Design Steel Structures Lacings
The load on rivet/bolt when two lacing flats are connected at different point is
Options
A : (Vt / N) cot?
B : 2(Vt / N) cot?
C : 2Vt N cot?
D : Vt Ncot?
The load on rivet/bolt when two lacing flats are connected at same point is
Options
A : (Vt / N) cot?
B : 2(Vt / N) cot?
C : 2Vt N cot?
D : Vt Ncot?
Slenderness ratio of lacing is limited to
Options
A : 200
B : 145
C : 500
D : 380
lacing bars shall be inclined at an angle of ___ to axis of built up member.
Options
A : 20o
B : 35o
C : 50o
D : 90o
Lacing shall be designed to resist a total transverse shear equal to ____ of axial force in member
Options
A : 5%
B : 1%
C : 4.3%
D : 2.5%
Minimum width of lacing bars shall _______
Options
A : be less than 3 times diameter of connecting bolt/rivet
B : be less than 5 times diameter of connecting bolt/rivet
C : not be less than 3 times diameter of connecting bolt/rivet
D : be less than 2 times diameter of connecting bolt/rivet
The radius of gyration of combined column about axis perpendicular to plane of lacing should be _____ than about axis parallel to plane of lacing.
Options
A : cannot be compared
B : smaller
C : greater
D : equal to
Which of the following is true about effective length?
Options
A : effective length shall be taken as length between inner end bolts/rivets of bars for single lacings
B : effective length shall be taken as length between inner end bolts/rivets of bars for double lacings
C : for welded bars, effective length shall be taken as 0.9 times distance between inner end welds connecting single bars to members
D : effective length shall be taken as 1.5 times length between inner end bolts/rivets of bars for double lacings
Effective slenderness ratio of laced column shall be _________
Options
A : equal to the maximum slenderness ratio of column
B : 1.05 times the maximum slenderness ratio of column
C : 0.5 times the maximum slenderness ratio of column
D : 2 times the maximum slenderness ratio of column
Thickness of lacing member should be
Options
A : less than 1/40th of the effective length for single lacing
B : not less than 1/60th of the effective length for double lacing
C : less than 1/60thof the effective length for double lacing
D : less than 1/60th of the effective length for single lacing
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