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