civil engineering MCQs – Page 88

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 Review each marked answer and report any item that may be outdated or unclear.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
1741. Which of the following types of sleepers is preferred on joints ?
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A. concrete sleeper

B. wooden sleeper

C. CST-9 sleeper

D. steel trough sleeper

1742. Minimum composite sleeper index pres-cried on Indian Railways for a track sleeper is_______________?
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A. 1455

B. 783

C. 552

D. 1352

1743. In full face method of constructing tunnels, the first operation relates to______________?
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A. excavation being done along the periphery

B. removal of bottom portion

C. removal of top portion

D. excavation of one drift in the centre

1744. Free float is mainly used to_________________?
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A. identify the activities which can be delayed without affecting the total float of preceding activity

B. establish priorities

C. identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities

D. identify the activities, which can be delayed without affecting the total float of succeeding activity
1745. Which of the following methods of tunneling is used for long tunnels at great depths ?
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A. Army method

B. Needle beam method

C. Austrian method

D. English method

1746. A good blast with a good yield is obtained if the cut hole is___________________?
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A. inclined at 45 to the face

B. normal to face

C. inclined at 30 to the face

D. inclined at 15 to the face

1747. The rail is designated by its__________________?
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A. cross-section

B. length

C. weight per unit length

D. weight

1748. Zero fuel weight of an aircraft is_________________?
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A. equal to maximum landing weight

B. less than empty operating weight

C. equal to sum of empty operating weight and the maximum pay load

D. equal to empty operating weight

1749. The area under the Beta distribution curve is divided into two equal parts by_______________?
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A. optimistic time

B. most likely time

C. expected time

D. pessimistic time

1750. What estimate would you give for the variance in above problem ?
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A. 81

B. 9

C. 36

D. 54

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