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You Are On Multi Choice Question Bank SET 525

26251. The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is

26252. For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is

26253. The type of aggregates of same nominal size, which contain less voids when compacted, are

26254. For the construction of cement con-certe dams, the maximum permissible size of the aggregates, is

26255. Permissible compressive strength of M 200 concrete grade is

26256. For preparing a test-specimen, it is necessary

26257. The aggregate containing moisture in pores and having its suface dry, is known as

26258. The commercial name of white and coloured cement in India, is

26259. The adaptation sunken stomata are found in

26260. To hydrate 500kg of cement full water needed, is

26261. Concrete gains strength due to

26262. If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than

26263. Non-uniform compaction may cause the concrete

26264. Log Angles machine is used to test the aggregate for

26265. If fineness modulus of sand is 2.5, it is graded as

26266. Pozzolanic properties exist in

26267. An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to be flaky if its least dimension is less than

26268. Expansion joints are provided if the length of concrete structures exceeds

26269. The plant community that grow in a marshy saline habitat are called

26270. If the slump of a concrete mix is 60 mm, its workability is

26271. The ecologically odd one among the plant listed

26272. The strength and quality of concrete, depend upon:

26273. The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than

26274. Pick up the incorrect statement from the following. While performing preliminary test on concrete

26275. Sand requiring a high water cement ratio, belongs to

26276. Ordinary Portland cement is manufactured from

26277. A flaky aggregate is said to be elongated if its length is

26278. To prevent segregation, the maximum height for placing concrete, is

26279. If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is

26280. Water cement ratio is generally expressed in volume of water required per

26281. For a good concrete

26282. If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is

26283. Gypsum is added for

26284. A concrete having a slump of 6.5 cm, is said to be

26285. Strength of concrete with passage of time

26286. Cement used for normal concrete construction, is obtained by burning a mixture of

26287. The abbreviation MAB stands for

26288. The population of the critically endangered Great Indian Bustard has been declining due to

26289. Higher workability of concrete is required if the structure is

26290. Setting time of cement increases by adding

26291. The dimensions of a 35 litre forma for measuring aggregates by volume, are :

26292. The shuttering of a hall measuring 4 m x 5 m, can be removed after

26293. In ecology the term’carrying capacity’of a species means

26294. If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is

26295. The entrained air in concrete

26296. Which of the following regions in India is a biodiversity hotspot?

26297. As per Wildlife Protection Act,1972 following is not a protected area category

26298. In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for

26299. If the average compressive strength is 4000 kg/cm2 and standard deviation is 500, the co-efficient of variation is

26300. For preparing ordinary concrete, the quantity of water used, is

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