civil engineering Mcqs
2051. A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is__________________?
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A. 500 m3

B. 2000 m3

C. 1500 m3

D. 1000 m 3

2052. Pick up the item of work not included in the plinth area estimate______________?
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A. Room area

B. W.C. area

C. Wall thickness

D. Courtyard area
2053. Brick walls are measured in sq. m if the thickness of the wall is_________________?
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A. None of these

B. 10 cm

C. 15 cm

D. 20 cm

2054. The thickness of each leaf of a cavity wall shall not be less than_________________?
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A. 10 cm

B. 5 cm

C. 7.5 cm

D. 15 cm

2055. When a wave strikes a vertical breakwater in deep water, it is reflected back and on meeting another advancing wave of similar amplitude merges and rises vertically in a wall of water. This phenomenon is called_________________?
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A. Surf

B. Fetch

C. Swell

D. Clapotis
2056. While preparing a detailed estimate__________________?
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A. Volume should be measured correct to 0.01 cum

B. Area should be measured correct to 0.01 sqm

C. All the above

D. Dimension should be measured correct to 0.01 m

2057. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as______________?
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A. 120 mm

B. 160 mm

C. 300 mm

D. 200 mm

2058. Pick up the incorrect statement from the following?
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A. The lead is calculated for each block of the excavated area

B. The unit of lead is 1 km where the lead exceeds 2 km

C. Lead is the average horizontal straight distance between the borrow pit and the place of spreading soil

D. The unit of lead is 50 m for a distance upto 500 m

2059. A butt weld is specified by__________________?
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A. effective throat thickness

B. penetration thickness

C. size of weld

D. plate thickness

2060. The item of the brick structure measured in sq.m, is___________________?
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A. Brick work in arches

B. Broken glass coping

C. Brick edging

D. Reinforced brick work

2061. Water retentivity for brick masonry should not be less than__________________?
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A. 50%

B. 60%

C. 70%

D. 80%

2062. The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is____________________?
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A. 3300 m3

B. 3275 m3

C. 3250 m3

D. 3225 m3
2063. Assertion A : Depth and width required at the entrance to a harbour are more than those required in the channel. Reason R : The entrance to a harbour is usually more exposed to waves as compared to the harbour itself__________________?
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A. ect your answer based on the coding system given below.

2064. The maximum depth of sedimentation tanks is limited to________________?
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A. 6 m

B. 5 m

C. 3 m

D. 4 m

E. 2 m

2065. Disinfection of drinking water, is done to remove_________________?
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A. bacterias

B. colour

C. odour

D. turbidity

2066. The order of booking dimensions is________________?
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A. Length, breadth, height

B. Height, breadth, length

C. None of these

D. Breadth, length, height

2067. For supersonic transport aircraft, the minimum turning radius of taxiway is________________?
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A. 180 m

B. 120 m

C. 240 m

D. 60 m

2068. If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by_______________?
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A. All the above

B. Prismoidal formula

C. Mid-section formula

D. Trapezoidal formula

2069. If the eccentricity ratio is more than 1/24, then increase in the permissible stress in the design of wall subjected to eccentric loading as per code is_________________?
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A. 25%

B. 33.33%

C. 50%

D. 10%

2070. Pick up the incorrect statement from the following?
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A. Dimensions are measured to the nearest 0.01 m

B. Cubic contents are measured to the nearest 0.1 cum

C. Areas are measured to the nearest 0.01 sq.m

D. Weights are measured to the nearest 0.001 tonnes

2071. Assertion A : The ratio of arriving and departing aircrafts influences the airport capacity: Reason R :Landing operation is generally given priority over the taking off operation_________________?
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A. ect your answer based on the coding system given below?

2072. Which of the following is an example of failure in flexible pavements ?
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A. Alligator cracking

B. Warping cracks

C. Shrinkage cracks

D. Mud pumping

2073. period in a septic tank is assumed___________________?
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A. detention

B. 30 minutes

C. 40 minutes

D. 20 minutes

E. 25 minutes

2074. The yield of a rapid gravity filter as compared to that of slow sand filter, is__________________?
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A. 30 times

B. 15 times

C. 35 times

D. 20 times

E. 10 times

2075. Which of the following will give higher ratio of brickwork strength to mortar strength ?
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A. 1 : Vz: 4>/2

B. 1:01:06

C. 1:2:9

D. 1 : % : 3

2076. The minimum diameter of turning besin, where ships turn by going ahead and without tug assistance should be___________________?
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A. 4.0 L

B. L

C. 2.0 L

D. 1.5 L

2077. At a given port, the fetch is 400 nautical miles, the maximum height of storm wave will be_______________?
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A. 8.169 m

B. 6.8 m

C. 2.073 m

D. 9.144 m
2078. The total length of a cranked bar through a distance D. at 45 in case of a beam of effective length L, is_________________?
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A. L + (2 0.42 d)

B. L (0.42 d)

C. L + 0.42 d

D. L (2 0.4 d)

2079. Pick up the correct statement from the following?
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A. The earth work of cutting in trenches or borrow pits in fairly uniform ground is measured with the help of average depths of the dead men

B. The earth work in trenches or borrow pits in irregular ground is measured by taking the difference in levels before and after completion of work

C. All the above

D. The earth work in trenches or borrow pits, where neither a nor b is feasible, are measured from the fillings after deduction of voids

2080. The unit of measurement is per quintal for the following?
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A. Collapsible gates with rails

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