civil engineering Mcqs
1851. Creep is the_______________?
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A. difference in level of two rails

B. vertical movement of rail

C. longitudinal movement of rail

D. lateral movement of rail

1852. Free float for any activity is defined as the difference between__________________?
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A. its earliest finish time and latest start time for its successor activity

B. its latest start time and earliest start time

C. its latest finish time and earliest start time for its successor activity

D. its earliest finish time and earliest start time for its successor activity
1853. If a is the angle of crossing, then the number of crossings N according to right angle method is given by_________________?
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A. Vi cosec(a/2)

B. Vi cot(cc/2)

C. cot(A)

D. cot(oc/2)

1854. The process of incorporating changes and rescheduling or replanning is called_______________?
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A. resource levelling

B. resource smoothening

C. updating

D. critical path scheduling

1855. Which one of the following is considered to be an advantage of the heading and benching method of tunnel construction?
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A. In this method, it is easy to install timber support

B. It is suitable for construction in unstable rocks

C. Tunnelling can be continuous and the work can be expedited

D. In case of excessive water, it is easy to take correct steps

1856. The carryover factor in a prismatic member whose far end is fixed is___________________?
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A. 1/2

B. 0

C. 1

D. 4-Mar

1857. Sensitivity analysis is a study of__________________?
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A. comparison of assets and liabilities

B. economics of cost and benefits of the project

C. comparison of profit and loss

D. change in output due to change in input
1858. A pin-jointed plane frame is unstable if________________?
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A. (m + r)>2j

B. m + r = 2j

C. none of the above

D. (m + r)
1859. The degree of static indeterminacy of a pin-jointed space frame is given by_________________?
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A. m + r + 3j

B. m + r 3j

C. m + r 2j

D. 3m + r 3j

1860. If the gross vehicle weight of a truck is 30 t and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is__________________?
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A. 900 kg

B. 300 kg

C. 1000 kg

D. 30 kg

1861. In PERT analysis, the time estimates of activities and probability of their occurrence follow_______________?
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A. none of the above

B. Poissons distribution curve

C. Beta distribution curve

D. normal distribution curve

1862. Switch angle depends on______________?
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A. heel divergence

B. correct answer is?

C. length of tongue rail

D. throw of switch</strong>

E. ) flangeway clearance

1863. Number of cotters used in CST-9 sleepers is__________________?
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A. 4

B. 5

C. 2

D. 3

1864. Ribs are used for strengthening and stiffening the liner plate for tunnels of diameter greater than_____________________?
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A. 5 m

B. 3 m

C. 2 m

D. 4 m

1865. Select the correct statement?
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A. A meander increases the river length but a cut off reduces the river length

B. A cutoff increases the river length but a meander reduces the river length

C. Both meander and cutoff increase the river length

D. Both meander and cutoff decrease the river length

1866. 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. 15 days

C. 9 days

D. 10 days

1867. The maximum bending moment due to a train of wheel loads on a simply supported girder_________________?
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A. never occurs under a wheel load

B. always occurs under a wheel load

C. none of the above

D. always occurs at centre of span

1868. Number of unknown internal forces in each member of a rigid jointed plane frame is_____________?
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A. 6

B. 1

C. 3

D. 2

1869. Which one of the following is not an excavating and moving type of equipment ?
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A. Dump truck

B. Clam shell

C. Scraper

D. Bulldozer

1870. Critical path_____________?
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A. may be shortest

B. may be longest

C. is always shortest

D. is always longest
1871. The basic action involved in sheep foot rolling is_______________?
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A. Vibration

B. Tamping

C. Pressing

D. Kneading
1872. Slack time refers to_______________?
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A. an activity

B. an event

C. both event and activity

D. none of the above

1873. The standard length of rail for Broad Gauge and Meter Gauge are respectively __________________?
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A. 13 m and 12 m

B. 12 m and 13 m

C. 13 m and 13 m

D. 12 m and 12 m

1874. In the construction of Metro Railways, Cut and Cover method of construction is suitable in situations listed at________________?
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A. sider the following situations

1875. If A is the angle formed by two gauge faces, the crossing number will be____________________?
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A. Arad

B. sec A

C. cot A

D. tan A

1876. Select the incorrect statement?
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A. Latest finish of an activity is the late event time of the node it enters.

B. Latest start of an activity is its latest finish minus its duration.

C. Earliest start of an activity is the early event time of the node it leaves.

D. none of the above
1877. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would_______________?
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A. change from tension to compression

B. change from compression to tension

C. always be tension

D. always be compression

1878. Earliest finish of an activity is always_______________?
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A. greater than or equal to earliest event time of the following node

B. greater than earliest event time of the following node

C. less than or equal to earliest event time of the following node

D. less than earliest event time of the following node

1879. The constraints in case of resource smoothening operation would be_______________?
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A. resources

B. project duration time

C. both resources and project duration time

D. none of the above

1880. The Castiglianos second theorem can be used to compute deflections________________?
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A. at the point under the load only

B. in statically determinate structures only

C. for beams and frames only

D. for any type of structure
1881. Which one of the following tunnelling methods is used for laying under ground sewers ?
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A. Italian method

B. German method

C. Army method

D. Needle beam method

1882. Bending moment at any section in a conjugate beam gives in the actual beam_________________?
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A. slope

B. bending moment

C. deflection

D. curvature

1883. If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is_________________?
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A. 2000 cum

B. 1500 cum

C. 500 cum

D. 1000 cum

1884. Which of the following excavators is most suitable for digging under water?
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A. Drag line

B. Hoe

C. Dipper shovel

D. Clam shell

1885. Independent displacement components at each joint of a rigid-jointed plane frame are_________________?
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A. three rotations

B. one linear movement and two rotations

C. two linear movements and one rotation

D. three linear movements

1886. Select the incorrect statement?
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A. Critical activities control the project duration

B. Critical activity is the one for which free float is zero

C. A critical path always begins at the very first event

D. A critical path always terminates at the last event

1887. Pick up the correct statement from the following?
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A. All the above

B. The diameter of a rivet, before driving is taken as the nominal diameter of the rivet

C. For rivets of nominal diameters less than 25 mm, the diameter of the rivet hole is taken as the nominal diameter of the rivet plus 1.5 mm

D. The diameter of the rivet hole is taken as the gross area of the rivet

1888. Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
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A. Loose sand

B. Ice

C. Earth

D. Concrete

1889. The engine failure case for determining the basic runway length may require________________?
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A. only clearway

B. either a clearway or a stopway

C. either a clearway or a stopway or both

D. only stop way ,

1890. Which of the following lining material is useful for shield driven tunnels in sub aqueous regions ?
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A. cement concrete

B. stone masonry

C. cast iron

D. timber

1891. Flangeway clearance is the distance_________________?
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A. none of the above

B. between the gauge faces of the stock rail and the tongue rail

C. between the adjoining faces of the running rail and the check rail near the crossing

D. through which the tongue rail moves laterally at the toe of the switch

1892. The length of runway under standard conditions is 2000 m. The elevation of airport site is 300 m. Its reference temperature is 33.05C. If the runway is to be constructed with an effective gradient of 0.25 percent, the corrected runway length will be________________?
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A. 2700 m

B. 2800 m

C. 2500 m

D. 2600 m

1893. If the monthly mean of average daily temperature for the hottest month of the year is 25 C and the monthly mean of the maximum daily temperature of the same month of the year is 46 C, the airport reference temperature is____________________?
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A. 48C

B. 32C

C. 35.5C

D. 25C

1894. The correct sequence of these activities is________________?
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A. sider the following activities in a building construction?

1895. The correct sequence of drilling equipment for increasing size of holes in tunnels is________________?
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A. churn drill, wagon drill, shot drill

B. wagon drill, shot drill, churn drill

C. wagon drill, churn drill, shot drill

D. shot drill, churn drill, wagon drill

1896. PERT technique of network analysis is mainly useful for__________________?
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A. deterministic activities

B. research and development projects

C. small projects

D. large and complex projects

1897. For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust__________________?
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A. becomes zero

B. remains unchanged

C. is increased

D. is decreased
1898. 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. 6 days

B. 4 days

C. 16 days

D. 10 days

1899. Which of the following methods of structural analysis is a displacement method ?
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A. three moment equation

B. none of the above

C. moment distribution method

D. column analogy method

1900. In compressed air tunneling, the volume of free air provided is______________?
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A. 6 m3 per hour per m2 of face area

B. 6 mJ per second per m2 of face area

C. 20 m3 per minute per m2 of face area

D. 6 m3 per minute per m2 of face area