civil engineering Mcqs
201. Sensitiveness of a level tube is designated by______________?
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A. none of the above

B. length of level tube

C. radius of level tube

D. length of bubble of level tube

202. The suitable surfacing material for a bridge deck slab is________________?
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A. mastic asphalt

B. bituminous carpet

C. rolled asphalt

D. sheet asphalt

203. Most suitable material for highway embankments is______________?
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A. clays

B. organic soil

C. granular soil

D. silts

204. Normal tension is that pull which_______________?
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A. is used at the time of standardising the tape

B. makes the correction due to sag equal to zero

C. neutralizes the effect due to pull and sag

D. makes the correction due to pull equal to zero

205. The fundamental factor in the selection of pavement type is_____________?
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A. availability of funds for the construction project

B. type and intensity of traffic

C. climatic condition

D. subgrade soil and drainage conditions

206. In the prismatic compass______________?
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A. the magnetic needle moves with the box

B. the magnetic needle and graduated circle do not move with the box

C. the line of the sight does not move with the box

D. the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

207. The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?
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A. direct angle

B. included angle

C. deflection angle

D. none of the above

208. For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is__________________?
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A. 75 mm

B. 120 mm

C. 100 mm

D. 50 mm

209. The value of ruling gradient in plains as per IRC recommendation is______________?
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A. 1 in 20

B. 1 in 30

C. 1 m 15

D. 1 in 12

210. For design, that length of transition curve should be taken which is_____________?
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A. based on allowable rate of change of centrifugal acceleration

B. smaller of (A) and (B)

C. higher of (A) and (B)

D. based on rate of change of super elevation

211. The length of a chain is measured from_______________?
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A. centre of one handle to centre of other handle

B. outside of one handle to inside of other handle

C. outside of one handle to outside of other handle

D. inside of one handle to inside of other handle

212. Finer grinding of cement______________?
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A. affects only the early development of strength

B. affects only the ultimate strength

C. both (A. and (B.

D. does not affect the strength

213. As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is______________?
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A. 30 lux

B. 20 lux

C. 15 lux

D. 10 lux

214. Select the correct statement________________?
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A. Quantity of binder required for tack coat is less than that required for prime coat

B. Seal coat is the final coat over certain previous bituminous pavements

C. A bitumen primer is a high viscosity cutback

D. Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction

215. The camber of road should be approximately equal to___________________?
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A. three times the longitudinal gradient

B. two times the longitudinal gradient

C. longitudinal gradient

D. half the longitudinal gradient
216. Workability of concrete is inversely proportional to______________?
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A. the air in the mix

B. size of aggregate

C. vater-cement ratio

D. time of transit
217. Bottom most layer of pavement is known as_____________?
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A. base course

B. sub-base course

C. subgrade

D. wearing course

218. The attainment of super elevation by rotation of pavement about the inner edge of the pavement_______________?
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A. results in balancing the earthwork

B. is preferable in steep terrain

C. avoids the drainage problem in flat terrain

D. does not change the vertical alignment of road

219. The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________?
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A. fcr<fcs

B. fc5>fcr>fC

C. tcr rcs = tct

D. fcr>fcs>fc
220. The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________?
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A. equidistant from A and B

B. closer to the higher station

C. as far as possible from the line AB

D. closer to the lower station

221. Penetration test on bitumen is used for determining its_____________?
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A. ductility

B. temperature susceptibility

C. viscosity

D. grade
222. Direct method of contouring is_________________?
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A. suitable for hilly terrains

B. most accurate method

C. a quick method

D. adopted for large surveys only

223. The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be_______________?
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A. 105.20 m

B. 99.71 m

C. 94.80 m

D. 100.29 m

224. In order to obtain the best workability of concrete, the preferred shape of aggregate is_______________?
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A. elongated

B. rounded

C. all of the above

D. angular

225. Select the incorrect statement?
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A. The cycle length is normally 40 to 60 seconds for two phase signals

B. Stop or red time of a signal is the sum of go and clearance intervals for the cross flow

C. Go or green time of a signal is the sum of stop and clearance intervals for the cross flow

D. Clearance time is generally 3 to 5 seconds

226. Select the correct statement______________?
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A. More the value of CBR, greater thickness of pavement will be required

B. More the value of group index, less thickness of pavement will be required

C. Minimum and maximum values of group index can be 0 and 20 respectively

D. all of the above

227. The following sights are taken on a turning point________________?
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A. foresight only

B. foresight and backsight

C. foresight and intermediate sight

D. backsight only

228. Scientific planning of transportation system and mass transit facilities in cities should be based on_____________?
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A. traffic volume data

B. origin and destination data

C. spot speed data

D. accident data

229. For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?
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A. 600 mm

B. more than 1 m

C. 900 mm

D. 750 mm
230. Approximate value of shrinkage strain in concrete, is________________?
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A. 0.003

B. 0.03

C. 0.00003

D. 0.0003
231. The resection by two point problem as compared to three point problem_______________?
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A. none of the above

B. gives more accurate problem

C. takes less time

D. requires more labour
232. When the speed of traffic flow becomes zero,then_______________?
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A. traffic density attains maximum value whereas traffic volume becomes zero

B. traffic density and traffic volume both attain maximum value

C. traffic density and traffic volume both become zero

D. traffic density becomes zero whereas traffic volume attains maximum value

233. The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as_____________?
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A. spot maps

B. collision diagram

C. pie chart

D. condition diagram
234. For which of the following permanent adjustments of theodolite, the spire test is used ?
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A. adjustment of line of sight

B. adjustment of horizontal axis

C. adjustment of altitude bubble and vertical index frame

D. adjustment of plate levels

235. Three point problem can be solved by_________________?
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A. Lehmans method

B. Tracing paper method

C. Bessels method

D. all of the above
236. The ductility value of bitumen for suitability in road construction should not be less than____________?
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A. 60 cm

B. 50 cm

C. 40 cm

D. 30 cm

237. For walls, columns and vertical faces of all structural members, the form work is generally removed after______________?
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A. 3 days

B. 24 to 48 hours

C. 14 days

D. 7 days

238. Group index method of design of flexible pavement is_______________?
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A. a theoretical method

B. an empirical method based on strength characteristics of subgrade soil

C. an empirical method based on physical properties of subgrade soil

D. a semi empirical method

239. The compressive strength of 100 mm cube as compared to 150 mm cube is always_______________?
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A. more

B. less

C. none of the above

D. equal

240. Which of the following methods of offsets involves less measurement on the ground?
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A. method of oblique offsets

B. method of ties

C. all involve equal measurement on the ground

D. method of perpendicular offsets
241. Highway facilities are designed for_________________?
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A. annual average daily traffic

B. thirtieth highest hourly volume

C. peak hourly volume of the year

D. annual average hourly volume

242. Maximum number of vehicles can be parked with_______________?
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A. 30 angle parking

B. 45 angle parking

C. 90 angle parking

D. parallel parking

243. When two equally important roads cross roughly at right angles, the suitable shape of central island is________________?
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A. elliptical

B. circular

C. turbine

D. tangent

244. A metallic tape is made of ______________ ?
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A. cloth and wires

B. invar

C. linen

D. steel

245. If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_________________?
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A. 5%

B. 3%

C. 6%

D. 4%
246. For a tacheometer the additive and multi-plying constants are respectively________________?
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A. 0 and 100

B. 100 and 100

C. 100 and 0

D. 0 and 0

247. Which of the following is known as design capacity ?
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A. practical capacity

B. theoretical capacity

C. possible capacity

D. basic capacity
248. The direct interchange ramp involves____________?
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A. diverging to the right side and merging from left

B. diverging to the left side and merging from right

C. diverging to the right side and merging from right

D. diverging to the left side and merging from left

249. Air entrainment in the concrete increases________________?
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A. the unit weight

B. workability

C. strength

D. the effects of temperature variations

250. If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________?
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A. NW quadrant

B. SE quadrant

C. NE quadrant

D. SW quadrant