Civil Engineering Mock Test – 1 – (100 Questions) Welcome to your Civil Engineering Mock test - 1 (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 Time of concentration A. is the time taken, for precipitation B. duration of rainfall. C. time taken for all the ran off to reach the drain D. time taken for the storm water to travel from the most remote point to the drain. The value of Poisson's ratio always remains A. greater than one B. less than one C. equal to one D. none of these.The intercept of a staff A. is maximum if the staff is held truly normal to the line of sight. B. is minimum if the staff is held truly normal to the line of sight. C. decreases if the staff is tilted away from normal D. increases if the staff is tilted towards normal.The head light of vehicles should be such that its lower beam illuminates objects at A. 10 m B. 20 m C. 30 m D. 40 m E. 50 mFor determination of allowable stress in axial compression, Indian Standard Institution has adopted A. Euler's formula B. Rankine formula C. Engesser formula D. Secant formula E. Perry Robertson formula.The ratio of inertia force of a flowing fluid and the viscous force of the liquid is called : A. Renold's number B. Froude's number C. Euler's number D. Weber's number.The distance measured along one rivet line from the centre of a rivet to the centre of adjoining rivet on an adjacent parallel rivet line, is called A. pitch of rivet B. gauge distance of rivet C. staggered pitch D. all the above E. none of these. Pick up the in-correct statement from the following: The soils which contain montmorillonite minerals A. swell more when wet B. shrink more when dry C. possess high plasticity D. possess high coefficient of internal coefficient Dimensions of a beam need be changed if the shear stress is more than A. 10 kg/cm2 B. 15 kg/cm2 C. 20 kg/cm2 D. 25 kg/cm2The method of design of steel framework for greatest rigidity and economy in weight, is known as A. simply design B. semi-rigid design C. fully rigid design D. none of these.Sunlight A. helps growth of bacterias B. impedes growth of algae C. increases dissolved oxygen content D. reduces turbidity.To avoid the tendency of separation of liquid flow, the most suitable ratio of the diameters of the throat and the pipe, is A. 1/4 to 1/8 B. 1/3 to 1/2 C. 1/2 to 3/4. D. none of these.Volume of traffic which would immediately use a new road or an improved one when opened to traffic, is known A. development traffic B. current traffic C. general traffic D. normal traffic growth.In India the modes of transportation, in the order of their importance, are A. air transport, shipping, roads, railways B. shipping, roads, railways, air transport C. roads, railways, air transport, shipping D. railways, roads, shipping, air transport E. shipping, railways, roads, air transport.An ideal vertical curve to join two gradients, is A. circular B. parabolic C. elliptical D. hyperbolic E. none of these.The dimensional formula of force is A. MLT-2 B. M-1LT2 C. ML-2T D. M-1L2T-2 E. none of these. The mixture of different ingredients of cement, is burnt at A. 1000°C B. 1200°C C. 1400°C D. 1600°C E. 1800°CThe ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called A. Euler number B. Frode number C. Reynold number D. Weber number.For true difference in elevations between two points A and B, the level must be set up A. at any point between A and B B. at the exact mid point of A and B C. near the point A D. near the point B.Water content of a soil sample is the difference of the weight of the given sample at the given temperature and the weight determined after drying it for 24 hours at temperature ranging from A. 80° to 90°C B. 90° to 95°C C. 95° to 100°C D. 103° to 105°C E. 105° to 110°C The stress necessary to initiate yielding, is considerably A. more than that necessary to continue it B. less than that necessary to continue it C. more than that necessary to stop it D. less than that necessary to stop it. If the depth of a simply supported beam carrying an isolated load at its centre, is doubled, the deflection of the beam at the centre will be changed by a factor of A. 2 B. 1/2 C. 8 D. 1/8 E. 4 The absolute minimum radius of horizontal curve for a design speed 60 km ph is A. 131 m B. 210 m C. 360 m D. none of these.The length of the side of warning sign boards of roads is A. 30 cm B. 40 cm C. 45 cm D. 50 cm Pick up the correct statement from the following: A. A soil having pH value more than 7 is an acidic soil B. A soil having pH value less than 7 is an acidic soil C. A soil having pH value more than 7 is an alkaline soil D. A soil containing chemicals for the manufacture of portland cement is preferred.A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water B. falls on the back side of the tank C. remains the same at both sides of the tank D. rises on the back side and falls on the front side E. none of these.Poise is the unit of A. viscosity B. velocity gradient C. mass density D. kinematic viscous.The ratio of settlement at any time 't' to the final settlement, is known as A. co-efficient of consolidation B. degree of consolidation C. consolidation index D. consolidation of undisturbed soil. While compacting the concrete by a mechanical vibrator, the slump should not exceed A. 2.5 cm B. 5.0 cm C. 7.5 cm D. 10 cm E. 15 cmBatching error means inaccuracy in the quantity of A. aggregates B. cement C. water D. all the above. The rise of a parabolic arch at quarter points, is equal to A. 1/3 times the rise of the crown B. 1/4 times the rise of the crown C. 1/2 times the rise of the crown D. 3/4 times the rise of the crown E. 5/8 times the rise of the crown.Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst affected by A. width of the vehicle B. length of the vehicle C. height of the vehicle D. speed of the vehicleIf the specific gravity and voids in soil sample are G and e respectively, the hydraulic gradient i, is A. (G-1)/(1+e) B. (G+1)/(1-e) C. (1-G)/(1+e) D, (1+G)/(1+e)Orifice-meter is used to measure A. pressure at the point B. discharge C. average speed D. velocity.The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to A. 30° B. 45° C. 60° D. 90°If the depth of two column sections are equal, then the column splice is provided A. with filler plates B. with bearing plates C. with filler and hearing plates D. none of these.1S. Sieve Nos. 10 mm and 4.75 mm are geneally used for grading of A. coarse aggregates B. fine aggregates C. neither (a) nor (b) D. both (a) and (b) E. none of these.If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed. A. R/10 B. R/15 C. R/20 D. R/25.Too wet concrete may cause A. weakness of concrete B. excessive laitance C. segregation D. lower density E. all the above. For a beam having fixed ends, the unknown element of the reactions, is A. horizontal components at either end B. vertical components at either end C. horizontal component at one end and vertical component at the other D. horizontal and vertical components at both the ends.On the recommendations of Indian Road Congress, the ruling gradient in plains, is A. 1 in 15 B. 1 in 20 C. 1 in 30 D. 1 in 45 E. 1 in 100Water required per bag of cement, is A. 7 kg B. 14 kg C. 21 kg D. 28 kg E. 35 kgIn flowing liquids pitot tubes are used measure A. discharge B. pressure C. velocity D. depth.The earth pressure of a soil at rest, is proportional to (where φ is the angle of internal friction of the soil) A. tan (45° - φ) B. tan (45° + φ) C. tan2 (45° - φ) D. tan2 (45° + φ) E. none of thesePick up the incorrect statement from the following: A. The bottom and top ends of slump mould are parallel to each other B. The axis of the mould is perpendicular to the end faces C. The internal surface of the mould is kept clean and free from set cement D. The mould is in the form of a frustum of hexagonal pyramidAeration of water is done to remove A. odour B. colour C. bacterias D. hardness E. turbidity.The ratio of shearing stress to shearing strain within elastic limit, is known as A. modulus of elasticity B. shear modulus of elasticity C. bulk modulus of elasticity D. tangent modulus of elasticity E. all the above.The minimum value of camber provided for thin bituminous surface hill roads, is A. 2.2% B. 2.5% C. 3.0% D. 3.5% The thickness of base slab of a retaining wall generally provided, is A. one half of the width of the stem at the bottom B. one-third of the width of the stem at the bottom C. one fourth of the width of the steam at the bottom D. width of the stem at the bottom E. twice the width of the steam at the bottom.The sensitiveness of a level tube decreases if A. radius of curvature of its inner surface is increased B. diameter of the tube is increased C. length of the vapour bubble is increased D. both viscosity and surface tension are increased.The maximum depth of sedimentation tanks is limited to A. 2 m B. 3 m C. 4 m D. 5 m E. 6 m.A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper of A. 1 in 10 B. 1 in 15 C. 1 in 20 D. 1 in 15 to 1 in 20 As per I.S. 456 - 1978, the pH value of water shall be A. less than 6 B. equal to 6 C. not less than 6 D. equal to 7Net sectional area of a tension member, is equal to its gross section area A. plus the area of the rivet holes B. divided by the area of rivet holes C. multiplied by the area of the rivet holes D. minus the area of the rivet holes E. none of these. If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by A. 8 B. 1/8 C. 1/3 D. 2 E. 3According to the recommendations of IS : 456-1978, the expansion joints A. are provided where plane changes abruptly B. are provided to ensure minimum resistance C. are supported on separate columns D. do not carry reinforcement across them E. all the above. The equivalent length of a column fixed at one end and free at the other end, is A. 0.5 l B. 0.7 l C. l D. 2 l E. 1.5 lThe ratio of the volume of voids to the total volume of the given soil mass, is known A. porosity B. specific gravity C. void ratio D. water content.The upper surface of the weir over which water flows, is known as A. vein B. nappe C. sill D. none of these. For ensuring quality of concrete, use A. single sized aggegates B. two sized aggregate C. graded aggregates D. coarse aggregates.The least thickness of class B cast iron (spun) pipe, is A. 7.2 mm B. 7.9 mm C. 8.6 mm D. 10 mm. For given water content, workability decreases if the concrete aggregates contain an excess of A. thin particles B. flat particles C. elongated particles D. flaky paticles E. all the above.The main principle of surveying is to work A. from part to the whole B. from whole to the part C. from higher level to the lower level D. from lower level to higher level.The most economical section for a column, is A. rectangular B. solid round C. flat strip D. tubular section E. hexagonal. After casting, an ordinary cement concrete on drying B. mix C. shrinks D. none of these.For the construction of highway (or railway) A. longitudinal sections are required B. cross sections are required C. both longitudinal and cross sections are required D. none of these.The effective length of a compression member of length L held in position and restrained in direction at one end and effectively restrained in direction but not held in position at the other end, is A. L B. 0.67 L C. 0.85 L D. 1.5 L E. 2 LHydrographic surveys deal with the mapping of A. large water bodies B. heavenly bodies C. mountaineous region D. canal system E. movement of clouds. M10 grade of concrete approximates A. 1 : 3 : 6 mix B. 1 : 1 : 2 mix C. 1 : 2 : 4 mix D. 1 : 1.5 : 3 mix The standard sand now a days used in India, is obtained from A. Jaipur (Rajasthan) B. Jullundur (Punjab) C. Hyderabad (Andhra Pradesh) D. Ennore (Madras) E. Cuttuck (Orissa). To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between A. 1100° and 1200°C B. 1200° and 1300°C C. 1300° and 1400°C D. 1400° and 1500°C E. 1500° and 1600°CThe distance between e.g. of compression and e.g. of tension flanges of a plate girder, is known as A. overall depth B. clear depth C. effective depth D. none of these. The diameter of longitudinal bars of a column should never be less than A. 6 mm B. 8 mm C. 10 mm D. 12 mm E. none of these. According to I.S. : 456, the number of grades of concrete mixes, is A. 3 B. 4 C. 5 D. 6 E. 7Ordinary concrete is not used for concrete grade A. M 100 B. M 150 C. M 200 D. M 250 E. M 400A partially saturated soil is classified as A. one phase soil B. two phase soil C. three phase soil D. four phase soil.Thickness of a pavement may be reduced considerably by A. compaction of soil B. stabilisation of soil C. drainage of soil D. combination of all the above. Wp and Wf are the weights of a cylinder containing partially compacted and fully compacted concrete. If the compaction factor Wp/Wf is 0.95, the workability of concrete is A. extremely low B. very low C. low D. high E. none of these.The yield of a rapid gravity filter as compared to that of slow sand filter, is A. 10 times B. 15 times C. 20 times D. 30 times E. 35 times.The ratio of the volume of voids to the total volume of the given soil mass, is known A. porosity B. specific gravity C. void ratio D. water content.Pick up the incorrect statement from the following. The underground sources of water, is from A. wells B. springs C. infiltration wells D. storage reservoirs E. none of these. For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is A. 1 B. 2 C. 3 D. 4 E. 5Buoyant unit weight equals the saturated density A. multiplied by unit weight of water B. divided by unit weight of water C. plus unit weight of water D. minus unit weight of water.You are asked to construct a massive dam, the type of cement you will use, is A. ordinary Portland cement B. rapid hardening cement C. low heat cement D. blast furnace slag cement E. white cement.By boiling water, hardness can be removed if it is due to A. calcium sulphate B. magnesium sulphate C. calcium nitrate D. calcium bicarbonate E. none of these. In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are: A. 6 legged B. 8 legged C. 10 legged D. 12 legged E. none of these. If all the dimensions of a bar are increased in the proportion n : 1, the proportion with which the maximum stress produced in the prismatic bar by its own weight, will increase in the ratio A. 1 : n B. n : 1 C. 1 : 1/n D. 1/n : 1 E. 1 : Sqrt(n). For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom A. parallel to the road surface B. parallel to the horizontal surface C. inclined upward while moving upwards D. inclined downward while moving downwards. The maximum area of tension reinforcement in beams shall not exceed A. 0.15% B. 1.5% C. 4% D. 1%Hardening of cement occurs at A. rapid rate during the first few days and afterwards it continues to increase at a decreased rate B. slow rate during the first few days and afterwards it continues to increase at a rapid rate C. uniform rate throughout its age D. none of these. Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than A. 42 diameters from the centre of the column B. 42 diameters from the inner edge of the column C. 42 diameters from the outer edge of the column D. 24 diameter from the centre of the column Cantilever retaining walls can safely be used for a height not more than A. 3 m B. 4 m C. 5 m D. 6 m E. 8 mThe most reliable method of plotting a theodolite traverse, is A. by consecutive co-ordinates of each station B. by independent co-ordinates of each station C. by plotting included angles and scaling off each traverse leg D. by the tangent method of plotting. The B.M. diagram of the beam shown in below figure, is A. a rectangle B. a triangle C. a trapezium D. a parabola E. a circle.Pick up the correct statement from the following : A. the eyepiece plays no part in defining the line of sight B. the diaphragm plays no part in defining the line of sight C. the optical centre of the objective plays no part in defining the line of sight D. none of these.For determining the velocity of flow of underground water, the most commonly used non-empirical formula is A. Darcy's formula B. Slichter's formula C. Hazen's formula D. Lacy's formula.Disinfection of drinking water, is done to remove A. odour B. bacterias C. turbidity D. colour.Separation of coarse aggregates from mortar during transportation, is known A. bleeding B. creeping C. segregation D. shrinkage E. none of these. The equivalent length of a column fixed at both ends, is A. 0.5 l B. 0.7 l C. l D. 2 l E. 1.5 l.Tongue plates are provided in a steel girder at A. the upper flange B. the lower flange C. the upper end of the web D. the lower end of the web E. the upper and lower ends of the web.