civil engineering Mcqs
5251. As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into_____________________?
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A. 7 zones

B. 5 zones

C. 4 zones

D. 6 zones
5252. The overlap of batten plates with the main members in welded connections should be more than____________________?
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A. 6t

B. 8t

C. 4t

D. 3t

E. re t = thickness of the batten plate

5253. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds___________________?
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A. 2501

B. 200 t

C. 501

D. 851
5254. In the virtual work method, the virtual quantity is_________________?
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A. load

B. displacement

C. slope

D. moment

5255. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?
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A. 1.83 m above the rail level

B. 1.23 m above the rail level

C. 2.13 m above the rail level

D. 1.50 m above the rail level

5256. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?
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A. 3

B. 2

C. 4

D. 1

5257. Load factor is____________________?
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A. always equal to factor of safety

B. always less than factor of safety

C. always greater than factor of safety

D. sometimes greater than factor of safety

5258. The maximum spacing of vertical stiffeners is_________________?
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A. 1.5 d

B. 1.33 d

C. 1.75 d

D. 1.25 d

5259. The forces acting on the web splice of a plate girder are__________________?
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A. shear and bending forces

B. shear and axial forces

C. axial forces

D. axial and bending forces

5260. The moment-curvature relation at a plastic hinge is________________?
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A. linear

B. parabolic

C. constant moment for all curvatures

D. constant curvature for all moments

5261. The basic wind speed is specified at a height h above mean ground level in an open terrain. The value ofh is__________________?
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A. 50 m

B. 25 m

C. 10 m

D. 20 m

5262. The shape factor of an isosceles triangle for bending about the axis parallel to the base is________________?
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A. 1.5

B. 1.7

C. 2.34

D. 2

5263. Steel tanks are mainly designed for_______________________?
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A. earthquake forces

B. wind pressure

C. weight of tank

D. water pressure
5264. For rivets in tension with counter-sunk heads, the tensile value shall be____________________?
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A. reduced by 33.3%

B. reduced by 25 %

C. increased by 33.3 %

D. increased by 25 %

5265. Minimum pitch provided in riveted steel tanks is________________?
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A. 1.5 d

B. 3.0 d

C. 2.5 d

D. 2.0 d

5266. Other conditions being same, the load factor in indeterminate structures is_______________?
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A. equal to load factor in determinate structures

B. less than the load factor in determinate structures

C. more than the load factor in determinate structures

D. unpredictable

5267. The diameter of base of conical flare of a steel stack is_____________________?
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A. equal to d

B. more than d

C. any of the above

D. less than d

5268. The portal bracing in a truss bridge is used to_____________________?
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A. transfer load from top of end posts to bearings

B. stiffen the structure laterally

C. keep the rectangular shape of the bridge cross-section

D. prevent the sidesway buckling of top chord

5269. The statical method of plastic analysis satisfies_______________?
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A. mechanism and plastic moment conditions

B. equilibrium condition only

C. equilibrium and plastic moment conditions

D. equilibrium and mechanism conditions

5270. The elastic strain for steel is about_________________?
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A. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain

B. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain

C. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain

D. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain

5271. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be______________?
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A. 40mm

B. 80mm

C. 60mm

D. 100mm

5272. The minimum thickness of plates in a steel stack should be___________________?
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A. 5 mm

B. 4 mm

C. 6 mm

D. 8 mm

5273. The capacity of the smallest pressed steel tank is__________________?
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A. 1950 litre

B. 1000 litre

C. 1650 litre

D. 2450 litre

5274. Bearing stiffeners are provided at________________?
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A. the supports

B. ) the point of application of concentrated loads</strong>

C. the mid span

D. correct answer is?

5275. The reduction in project time normally results in_______________?
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A. increasing the direct cost and indirect cost both

B. decreasing the direct cost and indirect cost both

C. increasing the direct cost and decreasing the indirect cost

D. decreasing the direct cost and increasing indirect cost

5276. The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is________________?
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A. 4350 kg

B. 2975 kg

C. 5515 kg

D. 3425 kg

5277. In resources levelling________________?
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A. cost of project is controlled

B. total duration of project is increased

C. total duration of project is reduced

D. uniform demand of resources is achieved
5278. Grader is used mainly for___________________?
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A. finishing, shaping and trimming

B. shaping and trimming

C. finishing and shaping

D. trimming and finishing

5279. The normal time required for the completion of project in the above problem is_______________?
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A. 13 days

B. 19 days

C. 9 days

D. 14 days
5280. The area under the Beta distribution curve is divided into two equal parts by_______________?
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A. most likely time

B. optimistic time

C. expected time

D. pessimistic time

5281. A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be_______________?
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A. 21 minutes

B. 27 minutes

C. 15 minutes

D. 20.143 minutes

5282. For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is__________________?
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A. 8 days

B. 10 days

C. 15 days

D. 9 days
5283. Sensitivity analysis is a study of__________________?
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A. comparison of assets and liabilities

B. change in output due to change in input

C. economics of cost and benefits of the project

D. comparison of profit and loss

5284. If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is________________?
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A. 16 days

B. 4 days

C. 6 days

D. 10 days

5285. For excavating utility trenches with precise control of depth, the excavation equipment used is_______________?
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A. Shovel

B. Dragline

C. None of the above

D. Hoe
5286. If the output of a dragline for 90 angle of swing at optimum depth of cut is X, then the output for 120 angle of swing at 120 % of optimum depth of cut will be_________________?
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A. less than X

B. more than X

C. equal to X

D. any of the above

5287. Updating may result in_________________?
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A. change of critical path

B. increase of project completion time

C. decrease of project completion time

D. all of the above
5288. The original cost of an equipment is Rs.10,000/-. Its salvage value at the end of its total useful life of five years is Rs. 1,000/-. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be________________?
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A. Rs. 5,000/-

B. Rs. 8,800/-

C. Rs. 7,600/-

D. Rs. 6,400/-
5289. The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted, and pneumatic tyremounted machines would be respectively_________________?
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A. 85 and 75

B. 75 and 83

C. 80 and 90

D. 90 and 80

5290. Wheeled tractors are replacing crawler tractors because________________?
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A. sider the following statements?

5291. Latest start of an activity is always________________?
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A. less than or equal to latest event time of preceding node

B. greater than or equal to latest event time of preceding node

C. less than latest event time of preceding node

D. equal to latest event time of preceding node

5292. The basic action involved in sheep foot rolling is_______________?
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A. Vibration

B. Tamping

C. Pressing

D. Kneading
5293. A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will________________?
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A. reduce by 250 kg

B. increase by 200 kg

C. reduce by 200 kg

D. increase by 250 kg

5294. The time corresponding to minimum total project cost is_______________?
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A. crash time

B. optimistic time

C. between normal time and crash time

D. normal time

5295. Which of the following is a weakness of bar chart ?
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A. all of the above

B. project progress

C. interdependencies of activities

D. uncertainties

5296. A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels : 25000 kg Scraper wheels : 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is_______________?
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A. 10000 kg

B. 22500 kg

C. 5000 kg

D. 12500 kg
5297. Preliminary project report for a road project must contain___________________?
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A. the several alternatives of the project that have been considered

B. the contract documents for inviting tenders

C. the detailed estimated cost based on detailed design

D. the soil survey, traffic survey, concept design and approximate cost
5298. If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be__________________?
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A. 2.3% and 84.1%

B. 97.7 % and 15.9%

C. 97.7% and 84.1%

D. 15.9% and 97.7%

5299. The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as_______________?
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A. total float

B. free float

C. interfering float

D. independent float
5300. A machine is purchased for Rs. 10,000,00/- and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000/-. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is__________________?
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A. Rs. 8,50,000/-

B. Rs. 4,75,000/-

C. Rs. 5,75,000/-

D. Rs. 6,50,000/-