The effective length of a battened column is increased by_________________?
A. 5%
B. 10%
C. 15%
D. 20%
Design of Steel Structures
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________?
Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between____________________?
A. 10° to 30°
B. 30° to 40°
C. 40° to 70°
D. 90°
The use of tie plates in laced columns is_________________?
The use of tie plates in laced columns is_________________?
A. prohibited
B. not prohibited
C. permitted at start and end of lacing system only
D. permitted between two parts of the lacing
The best arrangement to provide unified behaviour in built up steel columns is by______________?
The best arrangement to provide unified behaviour in built up steel columns is by______________?
A. lacing
B. battening
C. tie plates
D. perforated cover plates
A circular column section is generally not used in actual practice because________________?
A circular column section is generally not used in actual practice because________________?
A. it is uneconomical
B. it cannot carry the load safely
C. it is difficult to connect beams to the round sections
D. all of the above
For a standard 45° fillet, the ratio of size of fillet to throat thickness is_______________?
For a standard 45° fillet, the ratio of size of fillet to throat thickness is_______________?
A. 1:1
B. 1 : V2
C. V2 : 1
D. 2: 1
The actual thickness of butt weld as compared to the thickness of plate is usually________________?
The actual thickness of butt weld as compared to the thickness of plate is usually________________?
A. more
B. less
C. equal
D. none of the above
According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as________________?
According to IS Specifications, the effective length of a column effectively held in position at both ends and restrained in direction at one end is taken as________________?
A. 0.67 L
B. 0.8 L
C. L
D. 1.5 L
The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?
The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?
A. 180
B. 200
C. 250
D. 350
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________?
According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is_______________?
A. 1.0
B. 1.4
C. 1.8
D. 2.0