21. The external wind pressure acting on a roof depends on__________________? September 7, 2025 by Admin A. degree of permeability of roof B. slope of roof C. both (A) and (B) D. none of the above ✅ The correct answer is option B.
22. The slenderness ratio of a column supported throughout its length by a masonry wall is________________? September 7, 2025 by Admin A. zero B. 10 C. 100 D. infinity ✅ The correct answer is option A.
23. The effective length of a fillet weld should not be less than___________________? September 7, 2025 by Admin A. two times the weld size B. four times the weld size C. six times the weld size D. weld size ✅ The correct answer is option B.
24. According to IS Specifications, the maximum pitch of rivets in compression is_____________________? September 7, 2025 by Admin A. lesser of 200 mm and 12 t B. lesser of 200 mm and 161 C. lesser of 300 mm and 32 t D. lesser of 3 00 mm and 24 t ✅ The correct answer is option A.
25. Minimum spacing of vertical stiffeners is limited to________________? September 7, 2025 by Admin A. d/4 B. d/3 C. d/2 D. 2d/3 ✅ The correct answer is option B.
26. Other conditions being same, the load factor in indeterminate structures is_______________? September 7, 2025 by Admin A. equal to load factor in determinate structures B. more than the load factor in determinate structures C. less than the load factor in determinate structures D. unpredictable ✅ The correct answer is option B.
27. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as_______________? September 7, 2025 by Admin A. 0.65 kN/m2 B. 0.75 kN/m2 C. 1.35 kN/m2 D. 1.50 kN/m2 ✅ The correct answer is option A.
28. Bending compressive and tensile stresses respectively are calculated based on_________________? September 7, 2025 by Admin A. net area and gross area B. gross area and net area C. net area in both cases D. gross area in both cases ✅ The correct answer is option B.
29. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as______________? September 7, 2025 by Admin A. 120 mm B. 160 mm C. 200 mm D. 300 mm ✅ The correct answer is option B.
30. The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of’h’ is__________________? September 7, 2025 by Admin A. 10 m B. 20 m C. 25 m D. 50 m ✅ The correct answer is option A.