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You Are On Multi Choice Question Bank SET 523

26151. Slump test is done for





26152. The high strength of rapid hardening cement at early stage, is due to its





26153. 24-6x3-18/6





26154. Concrete mainly consists of






26155. Vicat's apparatus is used for






26156. M 150 grade of concrete approximates






26157. Workability of concrete is measured by





26158. The rock which is not calcareous, is :






26159. Internal friction between the ingredients of concrete, is decreased by using






26160. For road pavements, the cement generally used, is






26161. Construction joints are generally provided in concrete






26162. Separation of coarse aggregates from mortar during transportation, is known






26163. According to the recommendations of IS : 456-1978, the expansion joints






26164. Grading of sand causes great variation in






26165. Shrinkage in concrete can be reduced by using






26166. Ordinary concrete is not used for concrete grade






26167. 1.S. Sieve Nos. 10 mm and 4.75 mm are geneally used for grading of






26168. 3 1/2+4 1/3-5 1/5





26169. Addition of pozzolana to ordinary port land cement, causes






26170. Too wet concrete may cause






26171. Addition of pozzolana to cement causes






26172. Hardening of cement occurs at





26173. 56% of 9+44% of 4=x% of 34,then value of x is





26174. Batching error means inaccuracy in the quantity of





26175. Pick up the correct statement from the following i.






26176. You are asked to construct a massive dam, the type of cement you will use, is






26177. The produce impermeable concrete






26178. Water required per bag of cement, is






26179. A loss of 20% was suffered by selling a watch for Rs.If it was sold for Rs.805 what was the profit percent?





26180. ISI has specified full strength of concrete after






26181. For construction of structures in sea water, the cement generally preferred to, is






26182. Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is






26183. For batching 1:3:6 concrete mix by volume, the ingredients required per bag of 50 kg cement, are:






26184. The process of hardening the concrete by keeping its surface moist is known






26185. The grade of concrete not recommended by I.S. : 456, is






26186. C.R.R.I. charts are used to obtain a relatioship between strength of concrete and






26187. Proper batching ensures






26188. Workability of concrete for a given water content is good if the aggregates, are





26189. (01)2 is equal to





26190. For compacting plain concrete road surface of thickness less than 20 cm, we use





26191. Perimeter of a rectangle is 90 cm.One side is 20 cm.What is its area in square cm?





26192. If ‘CHAIR’is coded as 381918 how will you code ‘TABLE’?




26193. Specified compressive strengh of concrete is obtained from cube tests at the end of






26194. An aggregate is said to be flaky, if its least dimension is less than






26195. If+ means division,division means -,- means x and x means +,then 38 x6+4/6-2 is





26196. The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is





26197. The final operation of finishing floors, is known as






26198. The internal dimensions of a ware house are 15 m x 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are






26199. For an ordinary Portland cement






26200. The maximum thickness of concrete floor of a cement warehouse, is






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