civil engineering Mcqs
1801. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of__________________?
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A. none of the above

B. infinite length

C. zero length

D. zero moment of inertia

1802. If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?
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A. m + r + 2j

B. m r + 2j

C. m + r 2j

D. m + r 3j

1803. Number of keys used in CST-9 sleeper is_________________?
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A. 2

B. 3

C. none of the above

D. 4

1804. Lead of crossing is the distance from the_________________?
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A. toe of the switch to the actual nose of crossing

B. heel of the switch to the theoretical nose of the crossing

C. toe of the switch to the theoretical nose of crossing

D. heel of the switch to the toe of the switch

1805. Which of the following earth moving machines has the shortest cycle time?
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A. Drag line

B. Clam shell

C. Hoe

D. Dipper shovel
1806. The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to_________________?
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A. 20 kg/tonne

B. 2 kg/tonne

C. 6 kg/tonne

D. 9 kg/tonne
1807. When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when________________?
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A. the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration

B. none of the above

C. the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system

D. the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
1808. Select the incorrect statement?
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A. Start float and finish float are always equal

B. Total float can be either start float or finish float

C. Start float and finish float are the differences between activity times and not event times

D. Start float and finish float need not be equal
1809. In a scissors cross-over, the crossings provided are_________________?
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A. 4 obtuse angle crossings

B. correct answer is ?

C. ) 4 acute angle crossings

D. 2 obtuse angle crossings

E. 6 acute angle crossings</strong>

1810. Which of the following is not a component of the shield ?
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A. liner plate

B. propelling jacks

C. hood

D. tail

1811. The number of independent displacement components at each joint of a rigid-jointed space frame is_______________?
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A. 2

B. 3

C. 6

D. 1

1812. If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively___________________?
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A. 4 and 5/6

B. 5 and 25/36

C. 3.5 and 5/6

D. 3.5 and 25/36
1813. The centre to centre spacing of heliport lighting along the periphery of landing and take off area should be______________?
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A. 10.0 m

B. 5.0 m

C. 2.5 m

D. 7.5 m
1814. When semaphore and warner are installed on the same post, then the stop indication is given when___________________?
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A. both arms are horizontal

B. semaphore arm lowered but warner arm horizontal

C. both semaphore and warner arms lowered

D. none of the above

1815. The time corresponding to minimum total project cost is_______________?
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A. normal time

B. between normal time and crash time

C. optimistic time

D. crash time

1816. The formation width for a railway track depends on the_________________?
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A. ) slope of sides of embankment or cutting </strong>

B. number of tracks to be laid side by side

C. correct answer is?

D. type of gauge
1817. 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. 3425 kg

B. 5515 kg

C. 2975 kg

D. 4350 kg

1818. If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be__________________?
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A. less than 50%

B. 100%

C. 50%

D. more than 50%
1819. Batching refers to________________?
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A. adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch

B. controlling the quantity of each material into each batch

C. controlling the total quantity at each batch

D. weighing accurately, the quantity of each material for a job before mixing

1820. Mobilization advance up to 10% of the cost of work is given to a contractor_______________?
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A. for all activities required to start the work at site on finalization of the contract document

B. on commencement of work at site for payment of loan taken by him

C. for the payment of advances to labour and other staff

D. for the purchase of construction materials

1821. Which one of the following is a component of a shield for tunnelling ?
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A. trench jack

B. liner plate

C. cutting edge

D. stiffener

1822. In Intrumental landing system, the middle markers are located___________________?
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A. about 1 km. ahead of the runway threshold

B. along the extended centre line of runway end

C. about 7 km. ahead of the runway threshold

D. at the runway threshold

1823. As per ICAO recommendation, the rate of change of longitudinal gradient per 30 m length of vertical curve for A and B type of airports is limited to a maximum of__________________?
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A. 0.20%

B. 0.40%

C. 0.1 %

D. 0.30%

1824. In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always__________________?
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A. greater than 1

B. 1

C. less than 1

D. zero

1825. The correct sequence of these operations in tunnel construction is______________?
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A. Drilling

B. Mucking

C. Placing steel

D. Blasting

E. sider the following operations :

F. Placing concrete</strong>

1826. Standard size of wooden sleeper for Broad Gauge track is____________________?
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A. 250x26x12 cm

B. 225x23x13 cm

C. 275x25x13cm

D. 180x20x11.5 cm

1827. What is the correct sequence of the following events in rock tunnelling?
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A. mucking

B. marking tunnel profile

C. loading explosives and blasting

D. removing foul gas

E. setting up and drilling

F. es ?

1828. The degree of static indeterminacy of a rigid-jointed space frame is_________________?
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A. m + r 3j

B. 3m + r 3j

C. re m, r and j have their usual meanings

D. 6m + r 6j

E. m + r 2j

1829. In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having________________?
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A. shortest duration

B. highest cost slope

C. longest duration

D. least cost slope
1830. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies_______________?
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A. more than the left half span

B. whole span

C. less than the left half span

D. whole of left half span

1831. The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?
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A. external forces only

B. internal as well as external forces

C. internal forces only

D. none of the above

1832. Staggered joints are generally provided__________________?
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A. when two different rail sections are required to be joined

B. none of the above

C. on curves

D. on straight track

1833. Lead of crossing is the distance from the__________________?
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A. heel of the switch to the toe of the switch

B. toe of the switch to the theoretical nose of crossing

C. toe of the switch to the actual nose of crossing

D. heel of the switch to the theoretical nose of the crossing
1834. The width of foot for 90 R rail section is__________________?
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A. 146.0 mm

B. 100 mm

C. 136.5 mm

D. 122.2 mm

1835. For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust______________?
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A. becomes zero

B. remains unchanged

C. is increased

D. is decreased

1836. As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed_________________?
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A. 25 kmph

B. 35 kmph

C. 15 kmph

D. 45 kmph

1837. The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400 m, 600 m, 800 m and 1000 m are 100.0 m, 99.2 m, 101.0 m, 101.8 m, 101.4 m and 101.0 m respectively. The effective gradient of runway will be______________?
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A. 0.43%

B. 0.26%

C. 0.65%

D. 0.10%

1838. A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?
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A. 60 kN.m

B. 30 kN.m

C. 15 kN.m

D. 8 kN.m

1839. Drift method of tunnelling is used to construct tunnels in__________________?
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A. self supporting grounds

B. soft grounds

C. rock

D. broken grounds

1840. 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. 20.143 minutes

B. 27 minutes

C. 15 minutes

D. 21 minutes
1841. Fish plate is in contact with rail at________________?
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A. head of rail

B. web of rail

C. fishing plane

D. foot of rail

1842. The limiting value of cant gradient for all gauges is___________________?
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A. 1 in 360

B. 1 in 1200

C. 1 in 1000

D. 1 in 720
1843. In the bar chart planning____________?
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A. progress of work can be measured

B. interdependence of the operations cannot be portrayed

C. schedule cannot be updated</strong>

D. spare time of the activities can be determined

E. sider the following statements?

1844. 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. 90 and 80

B. 85 and 75

C. 80 and 90

D. 75 and 83
1845. 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. reduce by 200 kg

C. increase by 250 kg

D. increase by 200 kg

1846. 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. independent float

C. interfering float

D. free float

1847. The degree of static indeterminacy up to which column analogy method can be used is__________________?
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A. 4

B. 2

C. 3

D. unrestricted

1848. In column analogy method, the area of an analogous column for a fixed beam of span L and flexural rigidity El is taken as__________________?
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A. L/EI

B. L/3EI

C. L/2EI

D. L/4EI

1849. Which of the following are percussion drills ?
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A. ect correct answer?

B. shot drill

C. ) diamond drill

D. ) churn drill </strong>

E. i) wagon drill

1850. Study the following statements?
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A. ="color: #003f1a;">1. Levees are constructed parallel to river flow

B. Spurs are constructed transverse to river flow</strong></span>

C. correct answer is

D. Levees are constructed transverse to river flow

E. Spurs are constructed parallel to river flow