civil engineering Mcqs
1751. Two important constituents in the com-position of steel used for rail are_________________?
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A. manganese and phosphorous

B. carbon and silicon

C. carbon and manganese

D. carbon and sulfur

1752. In the displacement method of structural analysis, the basic unknowns are__________________?
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A. none of the above

B. force

C. displacements and forces

D. displacements
1753. Largest percentage of material in the rail is in its__________________?
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A. foot

B. head and foot both

C. web

D. head
1754. Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing Reason R: If the angle of swing is decreased, the cycle time will be decreased_______________?
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A. Both A and R are true and R is the correct explanation of A

B. Both A and R are true but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

1755. A load W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?
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A. 0.24 Wl

B. 0.25 Wl

C. 0.16 Wl

D. 0.20 Wl

1756. Pick up the correct statement from the following?
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A. For steel castings, the minimum tensile strength is 41 kg/mm2 and minimum yield stress is 20.5 kg/mm2

B. For mild steel the minimum tensile strength is 44 kg/mm2 and minimum elongation of 23% on a gauge length of 5.65A

C. For high tensile steel, the minimum tensile strength is 58 kg/mm2

D. All the above
1757. Circular section of tunnels is not suitable for________________?
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A. carrying water

B. non-cohesive soils

C. tunnels driven by shield method

D. placement of concrete lining
1758. Sinking fund is_______________?
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A. the total sum to be paid to the municipal authorities by the tenants

B. raised to meet maintenance costs

C. the fund for rebuilding a structure when its economic life is over

D. a part of the money kept in reserve for providing additional structures and structural modifications

1759. The minimum width of clearway is_______________?
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A. 250 m

B. 100 m

C. 150 m

D. 50 m

1760. In the slope deflection equations, the deformations are considered to be caused by________________?
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A. ) axial force</strong>

B. correct answer is

C. shear force

D. bending moment
1761. 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 soil survey, traffic survey, concept design and approximate cost

D. the detailed estimated cost based on detailed design

1762. If in a pin-jointed plane frame (m + r) > 2j, then the frame is________________?
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A. none of the above

B. re m is number of members, r is reaction components and j is number of joints

C. unstable

D. stable and statically indeterminate

E. stable and statically determinate

1763. Cant deficiency occurs when a vehicle travels around a curve at_________________?
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A. booked speed

B. speeds higher than equilibrium speed

C. equilibrium speed

D. speeds lower than equilibrium speed

1764. Study the following statements regarding creep_________________?
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A. Creep is greater on curves than on tangent railway track

B. Creep in new rails is more than that in old rails

C. ) Creep is more on steep gradients than on level track</strong>

D. correct answer is?

1765. A four wheel trac*or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be___________________?
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A. 50 kg/tonne

B. 20 kg/tonne

C. 30 kg/tonne

D. 40 kg/tonne
1766. The probability of completion of any activity within its expected time is_________________?
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A. 84.10%

B. 99.90%

C. 50%

D. 100%

1767. Runway threshold is indicated by a series of parallel lines starting from a distance of_______________?
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A. 10 m from runway end

B. 15m from runway end

C. 3 m from runway end

D. 6 m from runway end
1768. Dog spikes are used for fixing rail to the__________________?
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A. wooden sleepers

B. concrete sleepers

C. steel trough sleepers

D. CST-9 sleepers

1769. The main function of a fish plate is________________?
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A. none of the above

B. to allow rail to expand and contract freely

C. to join the two rails together

D. to join rails with the sleeper

1770. Rolling resistance of a wheel depends upon_____________?
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A. Vehicle load

B. ) Grade

C. ect the correct statements?

D. i) Ground</strong>

1771. The most suitable soil for compressed air tunneling is________________?
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A. sand

B. clay

C. gravel

D. silt

1772. The most suitable type of equipment for compaction of cohesive soils is_________________?
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A. Vibratory rollers

B. Smooth-wheeled rollers

C. Sheep foot rollers

D. Tampers

1773. All reinforcement should be free from_________________?
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A. loose rust

B. paints

C. loose mill scales

D. All the above
1774. The following tests are conducted for rails _________________?
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A. falling weight test

B. compulsory tests are?

C. tensile test

D. ) hammer test</strong>

1775. The independent float affects only_______________?
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A. preceding activities

B. the particular activity involved

C. none of the above

D. succeeding activities

1776. Castiglianos first theorem is applicable_______________?
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A. when the system behaves elastically

B. only when principle of superposition is valid

C. none of the above

D. for statically determinate structures only

1777. A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?
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A. 0.05 mm

B. 0.005mm

C. 0.5 mm

D. 5 mm
1778. Principle of superposition is applicable when___________________?
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A. material obeys Hookes law

B. deflections are linear functions of applied forces

C. none of the above

D. the action of applied forces will be affected by small deformations of the structure

1779. In a B.G. railway track, the specified ruling gradent is 1 in 250. The horizontal curve of 3 on a gradient of 1 in 250 will have the permissible gradient of__________________?
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A. 1 in 457

B. 1 in 512

C. 1 in 257

D. 1 in 357
1780. Which of the following is a weakness of bar chart ?
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A. interdependencies of activities

B. all of the above

C. uncertainties

D. project progress

1781. The formation width for a single line meter gauge track in embankment as adopted on Indian Railways is______________________?
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A. 6.10 m

B. 5.49 m

C. 4.88 m

D. 4.27 m

1782. A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be________________?
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A. Rs.3480

B. Rs.6960

C. Rs.1740

D. Rs.5220

1783. 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. 6,400/-

D. Rs. 7,600/-

1784. Which of the following methods of structural analysis is a force method ?
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A. none of the above

B. slope deflection method

C. moment distribution method

D. column analogy method
1785. One degree of curve is equivalent to__________________?
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A. 1750/R

B. 1700/R

C. 1850/R

D. 1600/R

1786. Select the correct statement?
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A. The tail of an arrow represents the finish of an activity

B. Activity arrows in a CPM network are drawn to scale

C. Arrow bead represents the start of an activity

D. none of the above
1787. Sinking of an intermediate support of a continuous beam________________?
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A. sider the following statements

1788. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in_________________?
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A. horizontal direction

B. vertical direction

C. the direction in which the deflection is required

D. inclined direction

1789. Assertion A : English method of tunneling requires more time as compared to other methods of tunneling. Reason R : In English method of tunneling, the masons and excavators have to work alternately/
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A. Both A and R are true and R is the correct explanation of A.

B. Both A and R are true and R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

1790. Whenever an activity has zero total float, then_______________?
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A. free float of the activity must be zero but independent float need not be zero

B. independent float must be zero but free float need not be zero

C. free float and independent float both must be zero

D. free float and independent float both need not be zero

1791. Which of the following is not the displacement method ?
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A. Kanis method

B. Equilibrium method

C. Moment distribution method

D. Column analogy method
1792. 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. 4,75,000/-

B. Rs. 8,50,000/-

C. Rs. 5,75,000/-

D. Rs. 6,50,000/-

1793. Assertion A: The width of a taxiway is smaller than the runway width. Reason R : The speed of the aircraft on a taxiway is greater than that on runway.?
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A. ect your answer based on coding system given below

1794. Grader is used mainly for___________________?
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A. finishing and shaping

B. finishing, shaping and trimming

C. trimming and finishing

D. shaping and trimming

1795. Interfering float is the difference between__________________?
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A. total float and free float

B. free float and independent float

C. total float and independent float

D. none of the above

1796. The shape of transition curve used by Indian Railways is____________________?
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A. cubic parabola

B. sine curve

C. lemniscate of Bernoulli

D. spiral

1797. The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?
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A. 1

B. 3

C. 6

D. 2

1798. Pick up the correct statement from the following?
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A. The distance between the centres of two adjacent rivets in line with the direction of stress shall not exceed 12 t or 203 mm whichever is less in compression members

B. All the above

C. The minimum pitch of rivets should not be less than 2.5 times the diameter of the rivet hole

D. The distance between centres of two adjacent rivets in line with the direction of stress shall not

1799. The reduction in project time normally results in_______________?
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A. increasing the direct cost and decreasing the indirect cost

B. decreasing the direct cost and increasing indirect cost

C. decreasing the direct cost and indirect cost both

D. increasing the direct cost and indirect cost both

1800. Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
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A. detectors

B. iock bar

C. stretcher bar

D. point lock