civil engineering MCQs – Page 96

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
1901. Latest start of an activity is always________________?
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A. less than or equal to latest event time of preceding node

B. less than latest event time of preceding node

C. equal to latest event time of preceding node

D. greater than or equal to latest event time of preceding node
1902. The desirable rate of change of cant deficiency in case of Metre Gauge is_______________?
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A. 65 mm/sec

B. 55 mm/sec

C. 20 mm/sec

D. 35 mm/sec
1903. Select the correct statement?
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A. Flexibility matrix is a square symmetrical matrix

B. Stiffness matrix is a square symmetrical matrix

C. both A. and B.

D. none of the above

1904. The fixed support in a real beam becomes in the conjugate beam a___________________?
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A. fixed support

B. hinged support

C. roller support

D. free end
1905. Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?
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A. 3j r

B. 2j r

C. 2j + r

D. j 2r

1906. As per International Civil Aviation Organization (ICAO) recommendation, minimum width of safety area for instrumental runway should be_________________?
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A. 78 m

B. 300 m

C. 450 m

D. 150 m

1907. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is__________________?
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A. 8

B. 3

C. 2

D. 6
1908. Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
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A. Concrete

B. Loose sand

C. Asphalt

D. Firm earth

1909. The correct relation between curve lead (CL), switch lead (SL) and lead of crossing (L) is given by__________________?
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A. L = (CL+SL)/2

B. L =CL-SL

C. CL = L SL

D. SL = L + CL

1910. Wheeled tractors are replacing crawler tractors because________________?
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A. sider the following statements?

1911. The permissible bending stresses Pbet for steel slab bases should not exceed_______________?
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A. 1500 kg/cm2

B. 1800 kg/cm2

C. 1650 kg/cm2

D. 1890 kg/cm2

1912. The time with which direct cost does not reduce with the increase in time is known as_________________?
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A. optimistic time

B. normal time

C. standard time

D. crash time

1913. For determining the basic runway.length, the landing case requires that aircraft should come to a stop within p % of the landing distance. The value of p is________________?
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A. 60%

B. 40%

C. 75%

D. 50%

1914. At a work site, statistical quality control of concrete means________________?
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A. reduction in wastage of inspection costs

B. measurement of risks to eliminate failures

C. applying the theory of probability to sample testing or inspection

D. reduction in costs for the removal of defects

1915. In Belgium method of tunneling _________________?
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A. construction of roof arch is completed before side walls and invert are built

B. construction of invert is completed before side walls and roof arch are built

C. construction of invert and side walls is completed before roof arch is built

D. construction of side walls is completed before invert and roof arch are built

1916. Consider the following statements for a power shovel?
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A. i) Output can be increased by keeping the depth of cut less than optimum depth

B. ) Output can be increased by increasing the size of shovel</strong>

C. ) For a given angle of swing, output will be maximum at optimum depth of cut

D. ect the correct statements?

E. Output can be increased by reducing the angle of swing for a given depth of cut
1917. 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
1918. A triangle is used for__________________?
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A. separating all the sidings and shunting lines from main lines

B. changing the direction of engine

C. preventing the vehicles from running off the track

D. transferring wagons to and from parallel tracks without shunting

1919. To generate the j the column of the flexibility matrix________________?
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A. a unit force is applied at coordinate j and the displacements are calculated at all coordinates

B. a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

C. a unit force is applied at coordinate j and the forces are calculated at all coordinates

D. a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

1920. The number of independent equations to be satisfied for static equilibrium in a space structure is___________________?
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A. 6

B. 3

C. 2

D. 4