Civil Engineering Mock test – 2 (100 Questions) Welcome to your Civil Engineering Mock test - 2 (100 Questions) Take an exciting test in Civil Engineering Imp topics - 100 Questions. You have only 1 hour to complete the test Wish you all the best!!! Name Email Flow of water in pipes of diameter more than 3 metres, can be measured by A. pitot tube B. venturimeter C. orifice plate D. rotameter. If there is no impervious boundary at the bottom of a hydraulic structure, stream lines tend to follow : A. a straight line B. a parabola C. a semi-ellipse D. a semi-circle.If the unsupported length of a stanchion is 4 metres and least radius of gyration of its cross-section is 5, the slenderness ratio of the stanchion, is A. 60 B. 70 C. 80 D. 90 E. 100 According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is A. 5 kg/cm2 B. 10 kg/cm2 C. 15 kg/cm2 D. 20 kg/cm2 E. 25 kg/cm2In a venturimeter, the divergent cone is kept A. shorter than convergent cone B. equal to covergent cone C. longer than convergent cone D. none of these.In distribution pipes, drain valves are provided at A. lower point B. higher point C. junction points D. any where. 18.The variety of pig iron used for the manufacture of steel by Bessemer process, is. A. Bessemer pig B. Grey pig C. White forge pig D. Mottled pig The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same. A. circular beam is more economical B. square beam is more economical C. both the beams are equally strong D. both the beams are equally economical E. none of these.If θ is the slope of the ground and l is the measured distance, the correction is A. 2l sin2 θ/2 B. 2l cos2 θ/2 C. 2l tan2 θ/2 D. 2l cot2 θ/2.While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is A. correctly focussed B. not correctly focussed C. said to have parallax D. free from parallax. The water content in a soil sample when it continues to loose weight without loosing the volume, is called A. Shrinkage limit B. Plastic limit C. liquid limit D. semi-solid limit.As per recommendations of I.R.C., traffic volume study is carried out for rural roads for 7 days continuously during A. harvesing B. lean season C. harvesting and lean season D. none of these. An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at A. 25° B. 35° C. 45° D. 55° E. 60°For a rectangular section, the ratio of the maximum and average shear stresses, is A. 1.5 B. 2.0 C. 2.5 D. 3.0 E. 4.0The specific retention is least in case of A. Clay B. Sand C. Silt D. Coarse gravel. For general engineering purposes, soils are classified by A. particle size classification system B. textural classification system C. High Way Research Board (HRB), classification system D. unified soil classification system.For the movement of vehicles at an intersection of two roads, without any interference, the type of grade separator generally preferred to, is A. delta B. trumpet C. diamond interchange D. clover leaf. Pick up the incorrect statement from the following: A. In the stem of a retaining wall, reinforcement is provided near the earth side B. In the toe slab of a retaining wall, rein forcement is provided at the bottom of the slab C. In the heel slab of a retaining wall, rein forcement is provided at the top of the slab D. None of these. For initial estimate for a beam design, the width is assumed A. 1/15th of span B. 1/20th of span C. 1/25th of span D. 1/30th of span E. 1/40th of span.One of the tacheometric constants is additive, the other constant, is A. subtractive constant B. multiplying constant C. dividing constant D. indicative constant.The allowable stress in axial tension for rolled I-sections and channels, is taken as A. 1420 kg/cm2 B. 1500 kg/cm2 C. 2125 kg/cm2 D. 1810 kg/cm2The failure of a web plate takes place by yielding if the ratio of the clear depth to thickness of the web, is less than A. 45 B. 55 C. 60 D. 75 E. 82 At either end of a plane frame, maximum number of possible transverse shear forces, are A. one B. two C. three D. four E. zero.The minimum specific energy of flow of water in open channel is : (where hc is the critical depth) A. hc B. hc/2 C. 3hc/2 D. 2hc/3 16. Galvanising means covering iron with a thin coat of A. tin B. zinc C. glaze D. coal tar. 12. Brittleness of cold is due to an excess of A. sulphur B. carbon C. phosphorus D. silicon.B.O.D. of treated water should be A. 10 ppm B. 25 ppm C. 20 ppm D. 30 ppm E. Nil. The increased cohesiveness of concrete, makes it A. less liable to segregation B. more liable to segregation C. more liable to bleeding D. more liable for surface scaling in frosty weather E. none of these. When a cohesionless soil attains quick condition, it looses A. shear strength B. bearing capacity C. both (a) and (b) D. neither (a) nor (6).Road makers along roads from the edge of a kerb should not be less than A. 40 cm B. 45 cm C. 50 cm D. 55 cm E. 60 cm If Cs is the expansion index in Q. 11.165, the empirical formula given by Terzaghi, is A. e = e0 - Cd log10 σ'/σ0' B. e = e0 + Cd log10 σ'/σ0' C. e0 = e - Cd log10 σ'/σ0' D. e° = e + Cd log10 σ'/σ0' The seepage exit gradient in a soil is the ratio of A. total head to the length of seepage B. flow line to slope C. head upstream to that at downstream D. head loss to the length of the seepage E. none of these The high strength of rapid hardening cement at early stage, is due to its A. finer grinding B. burning at high temperature C. increased lime cement D. higher content of tricalcium. Pick up the correct proportions of chemical ingredients of cement A. Lime : Silica : Alumina : Iron oxide : 63 : 22 : 6 : 3 B. Silica : Lime : Alumina : Iron oxide : 63 : 22 : 6 : 3 C. Alumina : Silica : Lime : Iron oxide : 63 : 22 : 6 : 3 D. Iron oxide : Alumina : Silica : Lime : 63 : 22 : 6 : 3 19. For filling cracks in masonry structures, the type of bitumen used, is A. cut-back bitumen B. bitumen-emulsion C. blown bitumen D. plastic bitumen.Energy equation is usually applicable to A. non-uniform flow B. turbulent flow C. laminar flow D. steady flow. Cohesionless soil is A. sand B. silt C. clay D. clay and silt.Most commonly used pump for lifting water in water supply mains, is A. axialflow pump B. reciprocating pump C. rotary type pump D. centrifugal pumps E. none of these.While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is A. correctly focussed B. not correctly focussed C. said to have parallax D. free from parallax.Accuracy of 'fix' by two point problem, is A. bad B. good C. not reliable D. unique.Hydraulic radius is equal to A. area divided by the square of wetted perimeter B. area divided by wetted perimeter C. wetted perimeter divided by area D. square root of the area. The minimum cube strength of concrete used for a prestressed member, is A. 50 kg/cm2 B. 150 kg/cm2 C. 250 kg/cm2 D. 350 kg/cm2 E. 400 kg/cm2 A column is said to be of medium size if its slenderness ratio is between A. 20 and 32 B. 32 and 120 C. 120 and 160 D. 160 and 180 E. 180 and 200 An aggregate is said to be flaky if its least dimension is less than A. 1/5th of mean dimension B. 2/5th of mean dimension C. 3/5th of mean dimension D. 4/5th of mean dimension E. none of these. The effective span of a simply supported slab, is A. distance between the centres of the bearings B. clear distance between the inner faces of the walls plus twice the thickness of the wall C. clear span plus effective depth of the slab D. none of these.Distribution mains of any water supply, is normally designed for its average daily requirement A. 100% B. 150% C. 200% D. 225%.Total pressure on the top of a closed cylindrical vessesl completely filled with liquid, is directly proportional to A. radius B. (radius)2 C. (radius)3 D. (radius)4 E. none of these.If d is the distance between the flange angles, the vertical stiffeners in plate girders are spaced not greater than A. d B. 1.25 d C. 1.5 d D. 1.75 d Failure of a slope occurs only when total shear force is A. equal to total shearing strength B. greater than total shearing strength C. less than total shearing strength D. none of these.The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to A. the distance between the zero of gradient and the foot of the staff B. twice the distance between the zero of graduation and the foot of the staff C. thrice the distance between the zero of graduation and the foot of the staff D. none of the above.Deviation of the alignment of a trace cut may be permitted in areas involving A. land slides B. sand dunes C. dens D. none of these. Ties are load carrying members of a frame, which are subjected to A. transverse loads B. axial tension loads C. axial compressive loads D. torsional loads. When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as A. lap joint B. butt join C. single riveted single cover butt joint D. double riveted double cover butt joint., 13. For the manufacture of Portland cement, the proportions of raw materials used, are A. lime 63% ; silica 22% ; other ingredients 15% B. lime 22% ; silica 63% ; other ingredients 15% C. silica 40% ; lime 40% ; other ingredients 20% D. silica 70% ; lime 20% ; other ingredients 10%.Economic height of a dam is the height corresponding to which A. cost of the dam per unit of storage is minimum B. amount of silting is less C. cost of dam per unit storage is maximum D. free board provided is least E. none of these.A high velocity of wash water is required for A. rapid gravity filter with strainers B. rapid gravity filter without strainers C. slow sand filter with strainers D. slow sand filter without strainers A failure wedge develops if a retaining wall A. moves away from the backfill B. moves towards the backfill C. sinks downwards D. stresses equally by vertical and horizontal forces. Hooke's law states that stress and strain are A. directly proportional B. inversely proportional C. curvilinearly related D. none of these.Corrosion of well pipes may not be reduced by A. reducing the draw down and the pumping rate B. reducing the flow velocity C. using thicker pipes D. using screens having larger area of openings E. none of these. 11. Kaolin is chemically classified as A. metamorphic rock B. argillaceous rock C. calcareous rock D. silicious rock.A bearing of a line is also known as A. magnetic bearing B. true bearing C. azimuth D. reduced bearingThe average shear stress for rolled steel beam section, is A. 845 kg/cm2 B. 945 kg/cm2 C. 1025 kg/cm2 D. 1500 kg/cm2 E. 1875 kg/cm2Turbidity of raw water is a measure of A. suspended solids B. acidity of water C. B.O.D. D. none of these. The cross sections of the beams of equal length are a circle and a square whose permissible bending stress are same under same maximum bending. The ratio of their flexural weights is, A. 1.118 B. 1.338 C. 1.228 D. 1.108Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following A. chain surveying B. compass surveying C. plan table surveying D. tacheometric surveying. The number of treads in a flight is equal to A. risers in the flight B. risers plus one C. risers minus one D. none of these. Thickened part of a flat slab over its supporting column, is technically known as A. drop panel B. capital C. column head D. none of these.The weaving length of a roadway is the distance A. between the channelising islands B. equal to half circumference C. equal to total width of adjoining radial roads D. equal to diameter of rotary. For the construction of cement concrete floor, the maximum permissible size of aggregate, is A. 4 mm B. 6 mm C. 8 mm D. 10 mm E. 12 mm Transport of concrete by pumps, is done for a distance of A. 100 m B. 200 m C. 300 m D. 400 m E. none of these.If cross slope of a country is 10% to 25%, the terrain is classified as A. rolling B. mountainous C. steep D. plain. The maximum pressure which a soil can carry without shear failure, is called A. safe bearing capacity B. net safe bearing capacity C. net ultimate bearing capacity D. ultimate bearing capacity.Border Roads Organisation for hilly regions, was formed in A. 1947 B. 1954 C. 1958 D. 1960 E. 1962 Vicat's apparatus is used for A. fineness test B. consistency test C. setting time test D. soundness test E. compressive strength test.Water belongs to A. Newtonian fluids B. non-Newtonian fluids C. compressible fluid D. none of these. The preliminary test is repeated if the difference of compressive strength of three test specimens, exceeds A. 5 kg/cm2 B. 8 kg/cm2 C. 10 kg/cm2 D. 12 kg/cm2 E. 15 kg/cm2 The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a A. triangle B. rectangle C. parabola D. cubic parabola.The specific retention is least in case of A. Clay B. Sand C. Silt D. Coarse gravel. The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known A. grading B. curing C. mixing D. batching E. none of theseHydraulic grade line A. remains above the centre line of conduit B. remains below the centre line of conduit C. remains parallel to the centre line of conduit D. may be above or below the centre line of conduit.Pick up the incorrect statement from the following: A. The nominal diameter of a rivet is its diameter before driving B. The gross diameter of a rivet is the diameter of rivet hole C. The gross area of a rivet is the cross-sectional area of the rivet hole D. The diameter of a rivet hole is equal to the nominal diameter of the rivet plus 1.5 mm E. None of these. 20. Vanadium steel is generally used for A. railway switches and crossing B. bearing balls . C. magnets D. axles and springsWhen a tension member is made of four angles with a plate as a web, the allowance for holes is made as A. two holes for each angle and one hole for the web B. one hole for each angle and one hole for the web C. one hole for each angle and two holes for the web D. two holes for each angle and two holes for the web 15. The rocks formed by gradual deposition, are called A. sedimentary rocks B. igneous rocks C. metamorphic rocks D. none of these.True meridians are generally preferred to magnetic meridians because A. these converge to a point B. these change due to change in time C. these remain constant. D. None of these.The population growth curve is A. S-shaped curve B. parabolic curve C. circular curve D. straight line E. none of these. The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide A. down at the centre B. down at the toe C. upward at the centre D. none of these. The phenomenon of slow growth of strain under a steady tensile stress, is called A. yielding B. creeping C. breaking D. none of these.Water supply system includes A. digging a well for water B. construction of dams C. construction of canals D. entire arrangement from source to distribution.The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is A. 180 B. 200 C. 250 D. 300 E. 350 14. Gniess is obtained from A. igneous rocks B. metamorphic rocks C. sedimentary rocks D. sedimentary metamorphic rocks.In pressure supply mains, water hammer pressure is reduced by providing A. sluice valves B. air valves C. pressure relief valves D. none of the these.The maximum permissible nitrites in public water supplies, is A. Nil B. 0.5 P.P.M. C. 1.0. P.P.M. D. 1.5 P.P.M. E. 200 P.P.M. The commonly used material in the manufacture of cement is A. sand stone B. slate C. lime stone D. graphite.The transitional middle portion of a logistic curve follows A. a geometric growth B. a logarithmic growth C. a first over curve D. a constant rate.According to the recommendations of Nagpur Conference, the width formation of an ideal National Highway in hard rock cutting, is A. 8.9 m B. 7.9 m C. 6.9 m D. 6.5 m E. 7.5 m 17. Initial setting time of cement for asbestos cement products should be not less than A. 30 minutes B. 50 minutes C. 75 minutes D. 90 minutes.The minimum ratio of the radii of two circular curves of a compound curve, is kept A. 1.25 B. 1.5 C. 1.75 D. 2.0In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by A. adding 180°, if the given bearing is less than 180° C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa B. subtracting 180°, if the given bearing, is more than 180° D. none of these.Pick up the incorrect statement from the following regarding fire hydrants A. Fire hydrants are fitted in water mains at 100 m to 150 m apart at fire B. The minimum water pressure hydrants, is kept 1.5 kg/cm2 C. The water at pressure 1 to 1.5 kg/cm2 is made available for 4 to 5 hours for constant use D. None of these.