A. 16 mm
B. 20 mm
C. 24 mm
D. 27 mm
✅ The correct answer is option C.
Design of Steel Structures MCQs
The allowable tensile stress in structural mild steel plates for steel tank is assumed as________________?
A. 95.0 MPa on net area
B. 105.5 MPa on net area
C. 105.5 MPa on gross area
D. 150.0 MPa on gross area
✅ The correct answer is option B.
The slenderness ratio of lacing bars should not exceed________________?
A. 100
B. 120
C. 145
D. 180
✅ The correct answer is option C.
The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?
A. 75 t2/h
B. 125 t3/h2
C. 125 t2/h
D. 175 t2/h
✅ The correct answer is option C.
For the buildings having a low permeability, the internal wind pressure acting normal to the wall and roof surfaces is taken as__________________?
A. zero
B. ±0.2p
C. ± 0.5 p
D. ±0.7p
✅ The correct answer is option B.
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 correct answer is option C.
The forces acting on the web splice of a plate girder are__________________?
A. axial forces
B. shear and axial forces
C. shear and bending forces
D. axial and bending forces
✅ The correct answer is option C.
Maximum pitch of rivets, used in steel stacks, is limited to_______________?
A. 6t
B. 101
C. 121
D. 161
✅ The correct answer is option B.
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 correct answer is option C.
The diameter of base of conical flare of a steel stack is_____________________?
A. less than d
B. equal to d
C. more than d
D. any of the above
✅ The correct answer is option C.