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MCQOPTIONS
This section includes 1888 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Which of the following treatments reduce salinity of water ?1. Flocculation and sedimentation 2. Filtration3. Reverse osomasis 4. ElectrodialysisSelect the correct answer using the codes given below : |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 2 and 3 |
| D. | 1 and 4 |
| Answer» C. 2 and 3 | |
| 202. |
If the mean temperature of Sun's surface 6000 K and λ of its radiation is 0.5 what is the mean temperature of earth surface for which λ is 10.0 μm, according to Wien's Displacement Law in Remote Seniror Concept ? |
| A. | 25 °C |
| B. | 28 °C |
| C. | 27 °C |
| D. | 30 °C |
| Answer» D. 30 °C | |
| 203. |
Which of the following factors are taken into account for estimating the runway length required for aircraft landing1. Normal maximum temperature.2. Air port elevation.3. Maximum lending weight.4. Effective runway gradient.Select the correct answer using the codes given below: |
| A. | 1, 2, 3 and 4 |
| B. | 1, 3 and 4 |
| C. | 2 and 3 |
| D. | 1, 2 and 4 |
| Answer» E. | |
| 204. |
Consider the following statements :1. In a member subjected to uniaxial tensile force the maximum normal stress is the external load divided by the maximum cross-sectional area.2. When the structural member is subjected to uniaxial loading, the shear stress is zero on a plane where the normal stress is maximum.3. In a member subjected to uniaxial loading, the normal stress on the planes of maximum shear stress is less than the maximum.Of these statements : |
| A. | 1 and 2 are correct |
| B. | 1 and 3 are correct |
| C. | 2 and 3 are correct |
| D. | 1, 2 and 3 are correct |
| Answer» B. 1 and 3 are correct | |
| 205. |
Consider the following field tests :1. Vertical pile load test2. Cyclic pile load test3. Lateral pile load test4. Instrumented test pileWhile estimating the load carrying capacity of a pile, the tests that can be used for separating the skin resistance from point resistance, would include |
| A. | 1 and 3 |
| B. | 1 and 4 |
| C. | 2 and 3 |
| D. | 2 and 4 |
| Answer» D. 2 and 4 | |
| 206. |
Consider the following statements :In water supply distribution network, 1. the grid-iron system requires more length of pipe lines and larger number of cut-off valves.2. the design of the grid-iron system is difficult but economical.3. employing a grid-iron system, the dead ends are completely eliminated.4. employing a grid-iron system permits more water to be diverted towards the affected point from various directions.Which of the statements given above are correct ? |
| A. | 1, 2 and 4 |
| B. | 1, 3 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 2 and 3 |
| Answer» C. 2, 3 and 4 | |
| 207. |
Consider the following statements :Total flat is :1. the time span by which the starting (or finishing) of an activity can be delayed without delaying the completion of the project.2. difference between maximum time available and the actual time required to perform the activity.3. difference between its earliest finish time and the earliest start time of its successor activity.Which among the following is/are correct ? |
| A. | 2 and 3 |
| B. | 1, 2 and 3 |
| C. | 1 only |
| D. | 1 and 2 |
| Answer» C. 1 only | |
| 208. |
The description of solid waste collected is as follows :Night soil - 35 Rubbish - 40 Debris - 25 Garbage - 40 The organic solids in the above composition is |
| A. | 35 |
| B. | 60 |
| C. | 100 |
| D. | 75 |
| Answer» E. | |
| 209. |
The stress distribution at a depth beneath a loaded area is determined using Newmark's influence chart which indicates an influence value of 0.005. The number of segments covered by the loaded area in the chart is 20 and the intensity of loading on the area is 10 T/m. The intensity of stress distribution at that depth is |
| A. | 1 |
| B. | 2 |
| C. | 5 |
| D. | 10 |
| Answer» B. 2 | |
| 210. |
The adjoining figures show funicular diagram and polar diagram for a beam subjected to vertical forces. is the distance of the pole from the vector line. If is doubled, then the ordinate in the funicular diagram will be |
| A. | doubled |
| B. | halved |
| C. | unaffected |
| D. | tripled |
| Answer» D. tripled | |
| 211. |
In a cohesionless soil deposit having a unit weight of 1.5 t/mand an angle of internal friction of 30° the active and passivelateral earth pressure intensities (in t/m) at a depth of 10 m will, respectively, be |
| A. | 15 and |
| B. | 5 and 15 |
| C. | 10 and 20 |
| D. | 20 and 10 |
| Answer» C. 10 and 20 | |
| 212. |
Consider the following oxides : 1. AlO2. CaO3. SiOThe correct sequence in increasing order of their percentage in an ordinary portland cement is |
| A. | 2, 1, 3 |
| B. | 1, 3, 2 |
| C. | 3, 1, 2 |
| D. | 1, 2, 3 |
| Answer» C. 3, 1, 2 | |
| 213. |
The modules of elasticity () of concrete is given by |
| A. | = 1000 |
| B. | = 5700 |
| C. | = 5700 |
| D. | = 10, 000 |
| Answer» D. = 10, 000 | |
| 214. |
Which of the following advantages accrue to the use of Articulate Dump Trucks (ADT) over Rigid Dump Trucks (RDT) for construction and earth moving work ?1. Higher manoeuverability2. Low turning radius.3. Lower fleet costs.Select the correct answer using the code given below : |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 1 and 3 |
| D. | 2 and 3 |
| Answer» C. 1 and 3 | |
| 215. |
Which one of the following statements is correct ?Linear arch is one which represents : |
| A. | centre line of an arch |
| B. | variation of bending moment |
| C. | thrust line |
| D. | variation of shear force |
| Answer» D. variation of shear force | |
| 216. |
The head loss in a pipe of diameter , carrying oil at a flow rate over a distance is . The pipe is replaced by another with half the diameter, all other things remaining the same. The head loss in this case will be |
| A. | 0.5 |
| B. | 2.0 |
| C. | 8.0 |
| D. | 32.0 |
| Answer» E. | |
| 217. |
Which of the following are the disadvantages of non-tilting type concrete mixers ?1. They are not favoured when large sized aggregates are used.2. Mixing of the concrete occurs through both rolling and pulling from buckets.3. Content of fines is increased.4. They are not easy to clean.Select the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 2, 3 and 4 |
| Answer» C. 1, 2 and 4 | |
| 218. |
Which of the following factors have to be considered for the design of the flexible pavement for a highway ?1. Design wheel load2. Strength of pavement component material3. Expansion joints4. Climatic factorsSelect the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» E. | |
| 219. |
Consider the following statements :(a) Setting and hardening of cement takes place after the addition of water.(b) Water causes hydration and hydrolysis of the constituent compounds of cement which act as bindersWhich of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 220. |
A flownet for an earth dam on impervious foundation consists of 4 flow channels and 15 equipotential drops. The full reservoir level is 15 m above the downstream horizontal filter. Given that horizontal permeability is 9 x 10 m/s and vertical permeability is 1 x 10 m/s, the quantity of seepage through the dam will be |
| A. | 36 ml/s/m |
| B. | 25 ml/s/m |
| C. | 20 ml/s/m |
| D. | 15 ml/s/m |
| Answer» B. 25 ml/s/m | |
| 221. |
Due to horizontal pull of 60 kN at , what is the force induced in the member AB? |
| A. | 0 |
| B. | 40 kN |
| C. | 80 kN |
| D. | 100 kN |
| Answer» E. | |
| 222. |
Consider the following statements :1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks. 2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.Which of these statements are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» B. 1 and 2 | |
| 223. |
A water jet 0.02 m in area has a velocity of 15 m/s. If the jet impinges normally on a plate which is moving at a velocity 5 m/s in the direction of the jet, what is the force on the plate due to this impact ? (Density = 1000 kg/m) |
| A. | 200 N |
| B. | 2000 N |
| C. | 20000 N |
| D. | 4000 N |
| Answer» C. 20000 N | |
| 224. |
Which of the following pairs regarding the defects in timber are correctly matched ?1. Upsets....due to overmaturity and unventilated star age of wood.2. Fwciness....due to crushing of fibres running transversel.3. Star shakes....radial splits widest at the circumference and diminishing towards the centre.4. Heart shakes....cracks widest at the centre and diminishing towards the outer circumference.Select the correct answer using the codes given below. |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 1 and 4 |
| D. | 2 and 4 |
| Answer» D. 2 and 4 | |
| 225. |
is added to lime mortar to |
| A. | prevent shrinkage |
| B. | decrease setting time |
| C. | increase bulk |
| D. | impart hydraulicity. |
| Answer» B. decrease setting time | |
| 226. |
For a sleeper density of ( + 5), the number of sleepers required for constructing a broad gauge (BG) railway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» D. 880 | |
| 227. |
A seamless pipe with 80 cm diameter carries a fluid under a pressure of 2 N/mm. If the permissible tensile stress is 100 N/mm, the minimum required thickness of the pipe is |
| A. | 2 mm |
| B. | 4 mm |
| C. | 8 mm |
| D. | 16 mm |
| Answer» D. 16 mm | |
| 228. |
Consider the following factors :1. Provision of a suitable slope to the top of the sill.2. Proper throating of the sill to throw off the water outside.3. Giving a projection of not less than 50 mm to the sill.4. Providing damp-proof course below the sill to check the entry of moisture inside the main wall.Those considered while constructing a brick sill would include |
| A. | 1 and 2 |
| B. | 1, 3 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» B. 1, 3 and 4 | |
| 229. |
Consider the following assumptions :1. The shearing stress in all the rivets is uniform2. The bearing stress is not uniform3. Bending of rivets can be neglectedThe assumptions made while designing a riveted joint would include |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» E. | |
| 230. |
For complete hydration of cement the ratio needed is |
| A. | less than 0.25 |
| B. | more than 0.25 but less than 0.35 |
| C. | more than 0.35 but less than 0.45 |
| D. | more than 0.45 but less than 0.60 |
| Answer» D. more than 0.45 but less than 0.60 | |
| 231. |
Consider the following statements :1. Alum coagulation decreases the alkalinity of water.2. Alum coagulation increases permanent hardness of water.3. Alum coagulation decreases pH of water.4. Alum coagulation produces aluminium hydroxide flocks in the flocculation process.Which of the statements given above are correct ? |
| A. | 1, 2, 3 and 4 |
| B. | 1, 3 and 4 only |
| C. | 1 and 2 only |
| D. | 2, 3 and 4 only |
| Answer» B. 1, 3 and 4 only | |
| 232. |
Consider the following statements in respect of a thick cylinder subjected to internal pressure:1. The stress on an element on the outer wall is unidirectional2. The stresses on an element on the inner wall are principal stresses.3. The constants of the Lames equation are positive.Which of these statements are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 233. |
Consider the following statements: An aqueduct is a cross drainage work in which(a) a canal is carried over the drainage channel(b) a drainage channel is carried over the canal(c) both drainage channel and canal are at the same level.Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 1 and 2 only | |
| 234. |
Two shafts of same material and same length are connected in series and subjected to a torque 'T' as shown in the given figure. If , what is the value of the ratio ? (Where τ and τ are the extreme shear stresses in either of two segments) |
| A. | 4 |
| B. | 2 |
| C. | 8 |
| D. | 16 |
| Answer» D. 16 | |
| 235. |
The length of a transition curve for a circular curve of radius 300 m and for a design speed of 15 m/s, when the rate of change of centrifugal acceleration is 0.3 m/s is |
| A. | 30 m |
| B. | 37.5 m |
| C. | 45 m |
| D. | 60 m |
| Answer» C. 45 m | |
| 236. |
Which of the following Pairs regarding explanations and the terminologies pertaining to masonry are correctly matched ?1. Reveal....projecting stone to serve as support for joist.2. Throating....groove provided on the underside of projecting elements likes sills.3. Gable....triangle shaped masonry works provided at the ends of sloped roof.4. Freeze....vertical sides of finished opening for doors and windows.Select the correct answer using the codes given below : |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 1 and 4 |
| Answer» C. 3 and 4 | |
| 237. |
The following observation relate to designing of laced column :1. Single lacing systems on opposite planes shall preferably be in the same direction so that one is the shadow of the other.2. Lacing bar should only be a flat.3. The slenderness ratio of the lacing bars for compression shall not exceed 180.4. Laced compression members are to be provided with tie plates of ends.Of these observations : |
| A. | 1, 2, 3 and 4 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 2 and 3 are correct |
| D. | 1 and 4 are correct |
| Answer» E. | |
| 238. |
Which of the following are the purposes for use of steel bars reinforcement in cement concrete pavements ?1. To increase the flexural strength of concrete2. To prevent the onset of cracks3. To allow wider spacing of joints.Select the correct answer using the code given below : |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» C. 1 and 3 only | |
| 239. |
Consider the following statements :1. In the laboratory consolidation test, initial compression is the result of displacement of soil particles.2. Primary consolidation is due to dissipation of pore water pressure.3. Secondary compression starts after complete dissipation of pore water pressure.4. Primary consolidation and secondary compression occur simultaneously.Which of the statements given above are correct ? |
| A. | 1 and 4 only |
| B. | 2 and 3 only |
| C. | 2 and 4 only |
| D. | 1 and 3 only |
| Answer» D. 1 and 3 only | |
| 240. |
A fixed beam is subjected to ment as shown in the figure. The fixed end moments will be : |
| A. | zero |
| B. | /2 |
| C. | 2 |
| Answer» D. | |
| 241. |
Consider the following steps :1. Driving sheet piles surrounding a vibration-receiving structure.2. Digging a trench around a source of vibration.3. Placing rubber mountings between a machine causing vibration and its base. Active isolation of vibration can be achieved by |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 3 alone |
| Answer» C. 2 and 3 | |
| 242. |
A bar of circular cross-section varies uniformly from a cross-section 2 to . If extension of the bar is calculated treating it as a bar of average diameter, then the percentage error will be |
| A. | 10 |
| B. | 25 |
| C. | 33.33 |
| D. | 50 |
| Answer» C. 33.33 | |
| 243. |
A 600 mm long and 50 mm diameter rod of steel ( = 200 GPa, α = 12 x 10/°C) is attached at the ends to unyielding supports. When the temperature is 30°C there is no stress in the rod. After the temperature of the rod drops to - 20°C, the axial stress in the rod will be |
| A. | 24 MPa (compressive) |
| B. | 72 MPa (compressive) |
| C. | 120 MPa (tensile) |
| D. | 144 MPa (compressive) |
| Answer» D. 144 MPa (compressive) | |
| 244. |
The velocity distribution for flow over a plate is given by = 0.5 - where is the velocity in m/s at a distance metre above the plate. If the dynamic viscosity of the fluid is 0.9 N/m, then what is the shear stress at 0.20 m from the boundary? |
| A. | 0.9 N/m |
| B. | 1.8 N/m |
| C. | 2.25 N/m |
| D. | 0.09 N/m |
| Answer» E. | |
| 245. |
Consider the following :1. Initial consolidation.2. Primary consolidation.3. Secondary consolidation.4. Final consolidation.The three stages which would be relevant to consolidation of a soil deposit includes |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» B. 2, 3 and 4 | |
| 246. |
A circular pipe of radius carries a laminar flow of a fluid. The average velocity is indicated as the local velocity at what radical distance, measured from the centre ? |
| A. | 0.50 |
| B. | 0.71 |
| C. | 0.67 |
| D. | 0.29 |
| Answer» C. 0.67 | |
| 247. |
The following steps are necessary to obtain sufficient accuracy with the tape :1. Keeping uniform tension on tape for each measurement:2. "Breaking" tape on slopes are necessary to keep the tape level.3. Keeping accurate count of the stations.4. Keeping the tape on the line being measured.The correct sequence of these steps is |
| A. | 4, 2, 1, 3 |
| B. | 2, 3, 4, 1 |
| C. | 4, 1, 2, 3 |
| D. | 3, 2, 1, 4 |
| Answer» D. 3, 2, 1, 4 | |
| 248. |
The weight of aggregate having specific gravity 2.65, completely filled into a cylinder of volume 0.003 m is 5.2 kg. What is the value of the angularity index of aggregate (approximately) as given by Murdock ? |
| A. | 1 |
| B. | 0.34 |
| C. | 0.15 |
| D. | 0.05 |
| Answer» C. 0.15 | |
| 249. |
Which one of following statements associated with groynes :1. Hydraulic behaviour of a system of groynes is influenced by the characteristics of particles that constitute the littoral drift.2. Groyne is constructed approximately parallel to shore.Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 250. |
Reinforced concrete door and window frames can be compacted using :1. needle vibrator2. plate vibrator3. form vibrator4. tappingThe correct sequence of these equipment in order of preference (from the best to the worst) is |
| A. | 2, 3, 4, 1 |
| B. | 3, 2, 1, 4 |
| C. | 2, 3, 1, 4 |
| D. | 3, 2, 4, 1 |
| Answer» E. | |