211. The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is___________________? A. 30° B. 40° C. 45° D. All the above ✅ The correct answer is option D.
212. The advantage of reinforced concrete, is due to_______________? A. Monolithic character B. Fire-resisting and durability C. Economy because of less maintenance cost D. All the above ✅ The correct answer is option D.
213. As per IS : 456, the reinforcement in a column should not be less than________________? A. 0.5% and not more than 5% of cross-sectional area B. 0.6% and not more than 6% of cross-sectional area C. 0.7% and not more than 7% of cross-sectional area D. 0.8% and not more than 8% of cross-sectional area ✅ The correct answer is option D.
214. For initial estimate for a beam design, the width is assumed__________________? A. 1/15th of span B. 1/20th of span C. 1/25th of span D. 1/30th of span ✅ The correct answer is option D.
215. The width of the rib of a T-beam, is generally kept between_______________? A. 1/7 to 1/3 of rib depth B. 1/3 to 1/2 of rib depth C. 1/2 to 3/4 of rib depth D. 1/3 to 2/3 of rib depth ✅ The correct answer is option D.
216. The minimum thickness of a flat slab is taken_________________? A. L/32 for end panels without drops B. L/36 for end panels without drops C. L/36 for interior panels without drop D. All the above ✅ The correct answer is option D.
217. A raft foundation is provided if its area exceeds the plan area of the building by______________? A. 10 % B. 20 % C. 40 % D. 50 % ✅ The correct answer is option D.