61. The slenderness ratio of lacing bars should not exceed________________? A. 100 B. 120 C. 145 D. 180 ✅ The correct answer is option C.
62. 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.
63. 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.
64. 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.
65. 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.
66. 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.
67. 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.
68. 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.
69. As per IS : 800, for compression flange, the outstand of flange plates should not exceed________________? A. 121 B. 161 C. 201 D. 251 ✅ The correct answer is option B.
70. 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 correct answer is option C.