civil engineering MCQs – Page 105

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 Review each marked answer and report any item that may be outdated or unclear.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
2081. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is________________?
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A. 180

B. 350

C. 150

D. 250
2082. Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be___________________?
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A. more

B. less

C. the same in both the cases

D. 100%

2083. Anti-siphonage pipe is connected to__________________?
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A. Top of P trap W.C.

B. Side of water closet

C. Main soil pipe

D. Bottom of P trap W.C.

2084. Calm period is the percentage of time during which wind intensity is less than______________?
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A. 4.8 kmph

B. 8.0 kmph

C. 9.6 kmph

D. 6.4 kmph
2085. Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?
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A. when the dock is dry and is under construction

B. when the dock is empty with the ship of maximum tonnage

C. when the dock is full of water

D. when the dock is empty

2086. In distribution pipes, drain valves are provided at_______________?
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A. lower point

B. junction points

C. higher point

D. any where

2087. Which of the following type of sea walls results in greatest protection of shore structures?
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A. stepped sea wall

B. vertical sea wall

C. sea wall with concave face

D. sea wall with batter

2088. In basins subjected to strong winds and tide, the length of the berthing area should not be less than____________________?
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A. the length of design vessel + 10% clearance between adjacent vessels

B. the length of design vessel

C. the length of design vessel + 20% clearance between adjacent vessels

D. twice the length of design vessel

2089. Carpet area does not include the area of_________________?
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A. All the above

B. The walls along with doors and other openings

C. Bath room and lavatory

D. Kitchen and pantry

2090. Acidity in water is caused due to_______________?
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A. Aluminium sulphate

B. Free CO2

C. Iron sulphate

D. All the above

E. Mineral acids

2091. The expected out turn of half brick partition wall per mason per day is___________________?
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A. 2.0 m3

B. 1.5 m 3

C. 4.0 m2

D. 5.0 m2

2092. 88 is 1400 kg/cm2 and bond stress is 6 kg/cm2, the If tensile stress of a steel rod of diameter required bond length of the rod is____________________?
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A. 39 D

B. 50 D

C. 59 D

D. 30 D

2093. As per Berlins formula, the length of wave in metres is given by_______________?
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A. 1.3412

B. 1.7412

C. 1.9412

D. 1.5612
2094. Which of the following are repair docks ?
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A. dry docks, wet docks, floating docks, lift docks

B. wet docks, lift docks, marine railways, dry docks

C. wet docks, floating docks, lift docks, marine railways

D. marine railways, dry docks, floating docks, wet docks

2095. According to IS Specifications, the maximum pitch of rivets in compression is_____________________?
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A. lesser of 200 mm and 12 t

B. lesser of 3 00 mm and 24 t

C. lesser of 200 mm and 161

D. lesser of 300 mm and 32 t

E. re t is thickness of thinnest outside plate or angle

2096. The cruising speed of the aircraft is 500 kmph. If there is a head wind of 50 kmph, then the air speed and ground speed of the aircraft respectively will be_________________?
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A. 500 kmph and 500 kmph

B. 450 kmph and 500 kmph

C. 500 kmph and 450 kmph

D. 450 kmph and 450 kmph

2097. Pick up the correct statement in case of water supply ?
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A. Pipes laid in trenches and pipes fixed to walls are measured separately

B. Cutting through walls and floors are included with the item

C. Pipes are classified according to their sizes and quality

D. All the above
2098. Pick up the incorrect statement from the following ?
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A. No deduction is made for the volume occupied by reinforcement

B. None of these

C. No deduction is made for the openings upto 0.1 sq.m

D. No deduction is made for volumes occupied by pipes, not exceeding 100 sq.cm in cross-section

2099. The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended___________________?
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A. 175 mm

B. 100 mm

C. 150 mm

D. 200 mm

2100. The main factor to be considered while preparing a detailed estimate, is________________?
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A. Availability of materials

B. Transportation of materials

C. Quantity of the materials

D. All the above