129. Casting material needed for a slab is 1250 cft. If amount of cement is 10% then cement required--
Amount of cement 1250x1 0/100 x 0.8 = 100 bag.
উত্তর সহ কয়েকটি অনুরুপ গুরুত্বল্গুন প্রশ্ন
1. The maximum permissible size of aggregates to be used in casting the ribs of a slab, is - 10 mm
2. The respective storm totals at three surrounding stations A, B and C are 110, 90 and 70 mm. If the normal annual precipitation amounts at stations X, A, B and C are respectively 1000, 1100, 1200 and 1250 mm, the estimated storm precipitation at X is 77 mm
3. The deflection of a uniform circular bar of diameter d and length, which extends by an amount under a tensile pull, when it carries the same load at its mid-span, is eP/3d
4. For given workability the grading requiring the least amount of water is one that gives - Greatest surface area for the given cement and aggregates