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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.
| 1301. |
An isosceles triangular plate of base 3 m and altitude 3 m is immersed vertically in an oil of specific gravity 0.8. The base of the plate coincides with the free surface of oil. The centre of pressure will lie at a distance of (from free surface) |
| A. | 2.5 m |
| B. | 2 m |
| C. | 1.5 m |
| D. | 1 m |
| Answer» D. 1 m | |
| 1302. |
The outstand of the flange of built-up beams from the line of connection should not extend beyond:(where T is the thickness of flange and tw is the thickness of web) |
| A. | 10 T |
| B. | 85 T |
| C. | |
| Answer» D. | |
| 1303. |
An image of the top of the hill is 96 mm from the principal point of the photograph. The elevation of the top of the hill is 500 m and flying height is 4000 m above the detum. The relief displacement will be |
| A. | 768 mm |
| B. | 88 mm |
| C. | 12 M |
| D. | 8 mm |
| Answer» D. 8 mm | |
| 1304. |
Consider the following factors :1. Air traffic control measures2. Aircraft traffic composition3. VFR/IFR operation4. Runway configurationWhich of these factors affect the capacity of a runway ? |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 1 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» D. 1, 2, 3 and 4 | |
| 1305. |
Which one of the following is the correct statement ? A particle in simple harmonic motion while passing through the mean position will have |
| A. | minimum kinetic energy and minimum potential energy |
| B. | maximum kinetic energy and maximum potential energy |
| C. | maximum potential energy and minimum kinetic energy |
| D. | maximum kinetic energy and minimum potential energy |
| Answer» E. | |
| 1306. |
a grit chamber of dimensions 12.0 m x 1.50 x 800 m liquid depth has a flow of 720 m3/hr. Its surface loading rate and detention time are, respectively, |
| A. | 40000 m3/hr/m2 and 1.2 minute |
| B. | 40000 1 ph/m2 and 40 minutes |
| C. | 40 m/hr/m2 and 12 minutes |
| D. | 40000 1 ph/m2 and 1.2 minute |
| Answer» E. | |
| 1307. |
The acceleration components of a fluid particle are denoted as1. local tangential acceleration.2. convective tangential acceleration.3. local normal acceleration.4. convective normal acceleration.In a curved nozzle fitted to the end of straight pipeline carrying water under variable head, the acceleration component that are present would include |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» D. 1, 2, 3 and 4 | |
| 1308. |
What is the significant purpose of monitoring a project through its implementation phase ? |
| A. | To fix responsibility for delays |
| B. | To revalue the project with control over cost over-run |
| C. | To revalue the project with minimum time over-run |
| D. | To revalue the project with optimal time and cost over-run |
| Answer» E. | |
| 1309. |
Which one of the following is the correct statement ? Penetration to know bitumen grade is measured in |
| A. | one-hundredth of mm |
| B. | one-tenth of mm |
| C. | one-tenth of an inch |
| D. | one micron |
| Answer» C. one-tenth of an inch | |
| 1310. |
Which among the following assumptions are made in the design roof trusses ?1. Roof truss is restrained by the reactions2. Axes of the members meeting at a joint intersect at a common point3. Riveted joints act as frictionless hinges4. Loads act normal to roof surfaceSelect the correct answer using the codes given below: |
| A. | 1, 2 and 4 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 4 |
| D. | 1, 2 and 3 |
| Answer» C. 1, 3 and 4 | |
| 1311. |
Figure shows the forces acting on a body. Each square is 3 cm x 3 cm. If F1 = 30 N, F2 = 15 N, F3 = 25 N and F4 = 20 N, the resultant force and the moment about point O, respectively, are |
| A. | 0 N, 0 Ncm |
| B. | 90 N, 80 Ncm |
| C. | 60 N, 60 Ncm |
| D. | 30 N, 30 Ncm |
| Answer» B. 90 N, 80 Ncm | |
| 1312. |
A bullet of mass 0.01 kg moving with a velocity of 401 m/s strikes a block of mass 4 kg which is free to move in the direction of the bullet, and gets embedded in it. The overall loss of kinetic energy is |
| A. | 80.2 Nm |
| B. | 401 Nm |
| C. | 802 Nm |
| D. | 1604 Nm |
| Answer» D. 1604 Nm | |
| 1313. |
In a V-notch, an error of 1% in the measurement of head would constitute in the discharge measurement, an error of |
| A. | 0.01 |
| B. | 0.015 |
| C. | 0.02 |
| D. | 0.025 |
| Answer» E. | |
| 1314. |
A Treadle bar is used for |
| A. | Interlocking points and signal |
| B. | Setting points and crossings |
| C. | Setting marshalling yard signals |
| D. | track maintenance |
| Answer» B. Setting points and crossings | |
| 1315. |
The amount of gradient is required to be reduced, whenever a horizontal curve and gradient have to be provided together. What is this process known as ? |
| A. | Momentum gradient |
| B. | Pusher gradient |
| C. | Grade compensation |
| D. | Grade resistance |
| Answer» D. Grade resistance | |
| 1316. |
A train is hauled by 2-8-2 locomotive with 22.5 tonnes load on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive ? |
| A. | 15.0 tonnes |
| B. | 22.5 tonnes |
| C. | 45.0 tonnes |
| D. | 90.0 tonnes |
| Answer» C. 45.0 tonnes | |
| 1317. |
A machine costs Rs. 16, 000. By constant rate of declining balance method of depreciation, its salvage value after an expected life of 3 years is Rs. 2, 000. The rate of depreciation is |
| A. | 0.25 |
| B. | 0.3 |
| C. | 0.4 |
| D. | 0.5 |
| Answer» E. | |
| 1318. |
Consider the following statements :1. Water hammer can develop in an unsteady flow only.2. Time required for rapid closure of valve is between 2 L/C and 4 L/C where L is the pipe length and C is the celerity of wave.3. In flexible water column theory, pipe may expand and water may compress in the flow system.4. Joukowskyhas carried out the mathematical analysis of water hammer.Which is the above statements relating to water hammer in pipes are correct ? |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 3 and 4 |
| Answer» D. 1, 3 and 4 | |
| 1319. |
What is the value of flexural strength of M 25 concrete ? |
| A. | 4.0 MPa |
| B. | 3.5 MPa |
| C. | 3.0 MPa |
| D. | 1.75 MPa |
| Answer» C. 3.0 MPa | |
| 1320. |
Deck bridges have the main disadvantage that |
| A. | their compression flanges have no lateral support |
| B. | the traffic is exposed to winds |
| C. | it is not possible to provide portal bracings |
| D. | the road level has to be very high |
| Answer» C. it is not possible to provide portal bracings | |
| 1321. |
In the plot of residual chlorine versus chlorine dose applied shown in the above figure, the curve will not have any (0, 0) point because |
| A. | of experimental error |
| B. | chlorine escapes into the atmosphere |
| C. | chlorine requires some contact time |
| D. | chlorine is consumed for disinfection |
| Answer» D. chlorine is consumed for disinfection | |
| 1322. |
The ratio between the stress produced in a bar by a sudden application of load (impact loading) as compared to the stress produced by the gradual application of same load is |
| A. | 1.5 |
| B. | 2 |
| C. | 2.5 |
| D. | 3 |
| Answer» C. 2.5 | |
| 1323. |
A dry sand specimen is put through a triaxial test. The cell pressure is 50 kPa and the deviator stress at failure is 100 Pa. The angle of internal friction for the sand specimen is |
| A. | 15° |
| B. | 30° |
| C. | 37° |
| D. | 45° |
| Answer» C. 37¬∞ | |
| 1324. |
The beam shown in the figure given above is subjected to concentrated load and clockwise couple. What is the vertical reaction at A ? |
| A. | 10 kN |
| B. | 40 kN |
| C. | 50 kN |
| D. | 30 kN |
| Answer» B. 40 kN | |
| 1325. |
Which one of the following represents the correct relationship between seepage pressure (ps), unit weight of water (γω) and hydraulic gradient (i), inside an earth dam ? |
| A. | ps = i/γω |
| B. | ps = i.γω |
| C. | ps = i2.γω |
| D. | ps = γω/i |
| Answer» C. ps = i2.Œ≥œâ | |
| 1326. |
Given below are methods of compaction :1. Vibration technique 2. Flooding the soil 3. Sheeps-foot roller 4. Tandem roller5. Heavy weights dropped from a height.The methods suitable for cohesionless soils include |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 2 and 5 |
| D. | 3, 4 and 5 |
| Answer» D. 3, 4 and 5 | |
| 1327. |
A 2-metre diameter water pipe is required to withstand a 200 meter head of water. Assuming the limiting tensile stress for the pipe material to be 200 kg/cm2, the minimum thickness of the material of the pipe to be used will have to be |
| A. | 5 cm |
| B. | 10 cm |
| C. | 15 cm |
| D. | 20 cm |
| Answer» C. 15 cm | |
| 1328. |
Surkhi is added to lime mortar to |
| A. | prevent shrinkage |
| B. | decrease setting time |
| C. | increase bulk |
| D. | impart hydraulicity. |
| Answer» B. decrease setting time | |
| 1329. |
The flownet of activities of a project is shown in the given figure. The duration of the activities are written along the arrows. The critical path of the activities is along |
| A. | 1-2-4-5-7-8 |
| B. | 1-2-3-5-7-8 |
| C. | 1-2-3-6-7-8 |
| D. | 1-2-4-5-3-6-7-8 |
| Answer» C. 1-2-3-6-7-8 | |
| 1330. |
On which of the following is the working principle of concrete hammer for non-destructive test based ? |
| A. | Rebound deflections |
| B. | Radioactive waves |
| C. | Ultrasonic pulse |
| D. | Creep-recovery |
| Answer» B. Radioactive waves | |
| 1331. |
Soundness test of cement is done to determine its |
| A. | durability in sea water |
| B. | free-lime content |
| C. | iron oxide content |
| D. | alumina content |
| Answer» C. iron oxide content | |
| 1332. |
What is the ratio of the permissible bearing stress in power driven shop rivets relative to the yield stress of mild steel ? |
| A. | 1 |
| B. | 0.8 |
| C. | 0.6 |
| D. | 0.4 |
| Answer» C. 0.6 | |
| 1333. |
Which of the following pairs in respect of ordinary Portland cement (OPC) are correctly matched1. Initial setting time....30 minutes2. Final setting time....10 hours3. Normal consistency....10%Select the correct answer from the codes given below : |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 1 and 2 |
| D. | 1 and 3 |
| Answer» D. 1 and 3 | |
| 1334. |
A simply supported beam of uniform cross-section is subjected to a maximum bending moment of 2.25 t.m. If it has rectangular cross-section with width 15 cm and depth 30 cm, then the maximum bending stress induced in the beam will be |
| A. | 50 kg/cm2 |
| B. | 100 kg/cm2 |
| C. | 150 kg/cm2 |
| D. | 225 kg/cm2 |
| Answer» C. 150 kg/cm2 | |
| 1335. |
According to the theory of filtration in water treatment, which of the following mechanisms come into play when water is filtered through a filter bed ?1. Mechanical straining2. Capillary action3. Centrifugal force4. Electro kinetic phenomenon5. Osmotic force6. Bacteriological actionSelect the correct answer using the code given below : |
| A. | 1, 2, 4 and 6 |
| B. | 2, 3 and 5 |
| C. | 3, 4, 5 and 6 |
| D. | 1, 3, 4 and 6 |
| Answer» B. 2, 3 and 5 | |
| 1336. |
If the Froude number of flow in an open channel is more than 1.0 then the flow is said to be |
| A. | critical |
| B. | shooting |
| C. | streaming |
| D. | transitional |
| Answer» C. streaming | |
| 1337. |
For medium silt where average grain size is 0.16 mm, Lackey's silt factor is likely to be |
| A. | 0.3 |
| B. | 0.45 |
| C. | 0.7 |
| D. | 1.32 |
| Answer» D. 1.32 | |
| 1338. |
Consider the following statements in case of impulse turbine :1. The pressure and velocity both change as the water flows through the turbine.2. Pressure throughout remains atmospheric and the velocity alone changes.3. All the available energy is converted into kinetic energy.4. Water is admitted over the entire circumference of the runner.5. Water is admitted only through the nozzle.Which of these statements are correct ? |
| A. | 2, 3 and 5 |
| B. | 2 and 3 |
| C. | 1, 4 and 5 |
| D. | 1 and 4 |
| Answer» B. 2 and 3 | |
| 1339. |
In setting out a long straight line for the position of transmission towers, it is recommended that the forward point be set out with face-right and face-lett with reference to preceding point and the mean position taken. This field procedure eliminates instruments error where the |
| A. | trunnion axis is not perpendicular to vertical axis |
| B. | vertical axis is not perfectly vertical time of observation |
| C. | line of collimation is not perpendicular to the vertical axis |
| D. | line of collimation is not perpendicular to the horizontal axis |
| Answer» E. | |
| 1340. |
Consider the following statements related to interchanges:1. In diamond interchange there is the possibility of illegal wrong-way turns.2. Diamond interchange is far superior to cloverleaf design.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» B. 2 only | |
| 1341. |
The most suitable type of equipment for compaction of cohesive soils is |
| A. | Smooth-wheeled rollers |
| B. | Vibratory rollers |
| C. | Sheep foot rollers |
| D. | Tampers |
| Answer» D. Tampers | |
| 1342. |
What does the Williot-Morr diagram yield ? |
| A. | Forces in members of a truss |
| B. | Moments in a fixed beam |
| C. | Reactions at the supports |
| D. | Joint displacement of a pinjointed plane frame |
| Answer» E. | |
| 1343. |
In trigonometric levelling, if the horizontal distance between the instrument and the object is 3088 m, the coefficient of refraction is 0.07 and R sin 1" = 30.88 m, then the refraction correction in angular measure would be |
| A. | 0.07" |
| B. | 0.70" |
| C. | 7.0" |
| D. | 1'10" |
| Answer» D. 1'10" | |
| 1344. |
It is required to determine by periodical soundings, the rate at which silting or scouring is taking place in a harbour. Which one of the following methods is best suited for locating the positions of the soundings? |
| A. | Range and time intervals |
| B. | Two angles from the boat |
| C. | Tachometric observations |
| D. | Intersecting ranges |
| Answer» E. | |
| 1345. |
Consider the following statementsThe main reinforcement in the counterfort in a counterfort retaining wall of R.C.C is provided on the :1. inclined face in front of counterfort.2. bottom face in. back counterfort.3. inclined face in back counterfort.4. bottom face in front counterfort.Select the correct answer using the codes given below : |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 2 and 4 |
| Answer» D. 2 and 4 | |
| 1346. |
A saturated clay layer with single drainage face takes 4 years to attain 50% degree of consolidation. If the clay layer had double drainage, then the time required to attain 50% degree of consolidation is |
| A. | 8 years |
| B. | 4 years |
| C. | 2 years |
| D. | 1 year |
| Answer» E. | |
| 1347. |
Two closely-coiled springs A and B of the same material, same wire and same number of turns are subjected to an axial load of W. The mean diameter of spring A is half that of spring B. The ratio of deflection of spring B to that of spring A will be |
| A. | 8 |
| B. | 4 |
| C. | 43556 |
| D. | 43678 |
| Answer» D. 43678 | |
| 1348. |
What does the confining pressure used in triaxial compression tests on an undisturbed soil sample represent ? |
| A. | The in-situ total normal stress |
| B. | The in-situ total lateral stress |
| C. | The in-situ effective average principal stress |
| D. | The in-situ shear stress |
| Answer» C. The in-situ effective average principal stress | |
| 1349. |
The deflection at the free end of a uniformly loaded cantilever of length 1 m is 7.5 mm. What is the slope at the free end ? |
| A. | 0.01 radian |
| B. | 0.015 radian |
| C. | 0.02 radian |
| D. | 0.025 radian |
| Answer» B. 0.015 radian | |
| 1350. |
What are the phenomena of global warming and acid rain formation attributed to ? |
| A. | SO2 and CO2 respectively |
| B. | CO and SO2, respectively |
| C. | CO2 and SO2, respectively |
| D. | CO and CO2, respectively |
| Answer» D. CO and CO2, respectively | |