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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1201. |
What does super-saturation of water body with DO cause ? |
| A. | Eutrophication |
| B. | Gas bubble disease in fish |
| C. | Methamoglobinemia |
| D. | Endemic goitre |
| Answer» B. Gas bubble disease in fish | |
| 1202. |
Consider the following statements in the context of aeolian soils :1. The soil has low density and low compressibility2. The soil is deposited by wind3. The soil has large permeability.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 2 and 3 are correct |
| C. | 1 and 3 are correct |
| D. | 1 and 2 are correct |
| Answer» C. 1 and 3 are correct | |
| 1203. |
When two moving bodies collide with each other, their velocity of separation bears a constant ratio to their velocity of approach. This ratio is termed as coefficient of |
| A. | collidity |
| B. | friction |
| C. | restitution |
| D. | permeability |
| Answer» D. permeability | |
| 1204. |
A thin cylindrical shell of internal diameter 'D' and thickness 't' is subjected to internal pressure 'p'. The change in diameter is given by : |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-702-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-702-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-702-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-702-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-702-3.png"> | |
| 1205. |
Probability of a lO-year flood to occur at least once in the next 4 years is |
| A. | 25% |
| B. | 35% |
| C. | 50% |
| D. | 65% |
| Answer» C. 50% | |
| 1206. |
A cantilever beam of span l carries a uniformly varying load of zero intensity at the free end and w per metre length at the fixed end. What does the integration of the ordinate of the load diagram between the limits of free and fixed ends of the beam give ? |
| A. | Bending moment at the fixed end |
| B. | Shear force at the fixed end |
| C. | Bending moment at the free end |
| D. | Shear force at the free end |
| Answer» B. Shear force at the fixed end | |
| 1207. |
The sequent depth ratio in a hydraulic jump formed in a horizontal rectangular channel is 16.48. The flow is supercritical. What is the value of the Froude number of flow ? |
| A. | 4.0 |
| B. | 8.0 |
| C. | 12.0 |
| D. | 120.0 |
| Answer» D. 120.0 | |
| 1208. |
When the recirculation ratio in a high rate trickling filter is unity, then what is the value of the recirculation factor ? |
| A. | 1 |
| B. | > 1 |
| C. | < 1 |
| D. | Zero |
| Answer» C. < 1 | |
| 1209. |
Consider the following statements :Bearing stiffness, in plate girders, are :1. provided at supports.2. provided under concentrated loads.3. provided alternately on the web.Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 2 only |
| C. | 1 and 2 |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 1210. |
Which one of the following statements is correct ?As the depth of immersion of a vertical plane surface increases, the location of centre of pressure. |
| A. | comes closer to the centre of the area |
| B. | moves apart from the centre of gravity of the area |
| C. | ultimately coincides with the centre of gravity of the-area |
| D. | remains unaffected |
| Answer» B. moves apart from the centre of gravity of the area | |
| 1211. |
A highly sensitive undisturbed clay sample was brought to the laboratory and UU test was performed. The curve of deviator stress versus strain % plot will be (among the four curves shown in the given figure) the one labelled |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 1212. |
Consider the following operations in a spire test :1. Depress telescope and sight a point on the ground nearer to the instrument2. Clamp horizontal plates3. Sight a well defined high point on a high building4. Change face and repeat the procedure.The correct sequence of these operations is |
| A. | 1, 2, 3, 4 |
| B. | 3, 1, 2, 4 |
| C. | 3, 2, 1, 4 |
| D. | 2, 1, 3, 4 |
| Answer» D. 2, 1, 3, 4 | |
| 1213. |
If all the dimensions of a prismatic bar of square cross-section suspended freely from the ceiling of a roof are doubled then the total elongation produced by its own weight will increase |
| A. | eight times |
| B. | four times |
| C. | three times |
| D. | two times |
| Answer» C. three times | |
| 1214. |
If the standard meridian is 82 30' E and the standard time at longitude 90 E is known to be 8 hr 30 m, the corresponding local mean time at the place will be |
| A. | 7 hr 00 m |
| B. | 8 hr 00 m |
| C. | 8 hr 30 m |
| D. | 9 hr 00 m |
| Answer» E. | |
| 1215. |
A symmetrical channel section is made of a material which is equally strong in tension and compression. It is used as a simply supported beam with its web horizontal to carry vertical loads. It will |
| A. | be strongest if the web is used as top face |
| B. | be strongest if the web is used as bottom face |
| C. | be equally strong in (a) and (b) above |
| D. | not be possible to state which of the above statements is correct |
| Answer» B. be strongest if the web is used as bottom face | |
| 1216. |
What is the vertical displacement at the point C of the structure shown in the figure ? |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-1251-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-1251-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-1251-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-1251-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/18-1251-2.png"> | |
| 1217. |
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 | |
| 1218. |
Which of the following statements are true for the pile shown in the figure ?1. Frictional resistance acts upwards through the length of the pile.2. Negative skin friction acts over the length AB3. Frictional resistance acts upwards over the length BC4. There is point resistance at level CSelect the correct answer using the codes given below : |
| A. | 1, 3 and 4 |
| B. | 2, 3 and 4 |
| C. | 1 and 2 |
| D. | 2 and 3 |
| Answer» B. 2, 3 and 4 | |
| 1219. |
A machine costing Rs. 8, 500 will have a scrap value of Rs. 300. Machines of this class have a working hour average life of 25, 000 hours. What will be the depreciation charge at the end of the first year, if the machine is operated for a total of 1500 hours ? (use straight line method of depreciation) |
| A. | Rs. 492.00 |
| B. | Rs. 542.00 |
| C. | Rs. 548.50 |
| D. | Rs. 692.00 |
| Answer» B. Rs. 542.00 | |
| 1220. |
In the cantilever beam shown in the figure, what is the percentage of bending moment at l/2 with respect to the maximum bending moment at the fixed support ? |
| A. | 15% |
| B. | 20% |
| C. | 25% |
| D. | 30% |
| Answer» D. 30% | |
| 1221. |
A dry soil has a mass specific gravity of 1.35. If the specific gravity of solids is 2.7, then the void ratio will be |
| A. | 0.5 |
| B. | 1.0 |
| C. | 1.5 |
| D. | 2.0 |
| Answer» C. 1.5 | |
| 1222. |
Which one of the following in NOT as excavating the moving type of equipment ? |
| A. | Bulldozer |
| B. | Clam shell |
| C. | Scraper |
| D. | Dump truck |
| Answer» E. | |
| 1223. |
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 | |
| 1224. |
The limits of percentage p of the longitudinal reinforcement in a column is |
| A. | 0.15% to 2% |
| B. | 0.8% to 4% |
| C. | 0.8% to 6% |
| D. | 0.8% to 8% |
| Answer» D. 0.8% to 8% | |
| 1225. |
Which one of the following is the correct statement ? The strength of timber : |
| A. | is maximum in a direction parallel to the grain |
| B. | is maximum in a direction perpendicular to the grain |
| C. | is maximum in a direction 45 to the grain |
| D. | remains same in all directions |
| Answer» B. is maximum in a direction perpendicular to the grain | |
| 1226. |
The change in the vertical stress in the soil mass estimated by Boussinesq's equation when Poisson's ratio of soil changes from 0.3 to 0.5 will be |
| A. | reduction by 30% |
| B. | increase by 50% |
| C. | reduction by 20% |
| D. | no change |
| Answer» E. | |
| 1227. |
When was the water (Prevention and Control of Pollution). Act enacted by the Indian Parliament ? |
| A. | 1970 |
| B. | 1974 |
| C. | 1980 |
| D. | 1985 |
| Answer» C. 1980 | |
| 1228. |
The vertices of an astronomical triangle would include |
| A. | zenith, pole and heavenly body |
| B. | azimuth, zenith and pole |
| C. | azimuth, pole and heavenly body |
| D. | azimuth, zenith and heavenly body |
| Answer» B. azimuth, zenith and pole | |
| 1229. |
In a restrained retangular slab subjected to uniformly distributed load, the yield lines form first |
| A. | along the shorter span on the loaded face of slab |
| B. | along the longer span on the loaded face of slab |
| C. | at the intersection of shorter and longer side |
| D. | along the centre line of the unloaded face of slab |
| Answer» E. | |
| 1230. |
The channel section can be designed on the basis of Lacey's Theory. The steps are mentioned below :1. Finding out the perimeter2. Finding out the velocity3. Calculation of the silt factor4. Finding out the areaWhat is the correct sequence of the steps ? |
| A. | 4 - 2 - 3 - 1 |
| B. | 3 - 1 - 4 - 2 |
| C. | 4 - 1 - 3 - 2 |
| D. | 3 - 2 - 4 - 1 |
| Answer» E. | |
| 1231. |
Consider the following statements :Higher water-cement ratio in concrete results in1. stronger mix.2. better workable mix.3. a weak mix.4. less bleeding. |
| A. | 1 and 2 are correct |
| B. | 2 and 3 are correct |
| C. | 3 and 4 are correct |
| D. | 1 and 4 are correct |
| Answer» C. 3 and 4 are correct | |
| 1232. |
Which one of the following is not the reason for coning of wheels ? |
| A. | To reduce the wear and tear of wheel flanges and rails |
| B. | To provide the possibility of lateral movement of axle |
| C. | To reduce the unit weight of wheels |
| D. | To prevent wheels from slipping to some extent |
| Answer» D. To prevent wheels from slipping to some extent | |
| 1233. |
For carrying out bituminous patch work during the rainy season, the most suitable binder is |
| A. | road tar |
| B. | hot bitumen |
| C. | cutback bitumen |
| D. | bituminous emulsion |
| Answer» E. | |
| 1234. |
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 | |
| 1235. |
For the retaining wall shown in the given figure, if the stress at the heel is zero, then the maximum storage 'H' will be specific gravity of the material of the wall = 2.25 |
| A. | 7.5 m |
| B. | 5 m |
| C. | 4 m |
| D. | 3 m |
| Answer» B. 5 m | |
| 1236. |
The following four hydrological features have to be estimated or taken as inputs before one can compute the flood hydrograph at any catchment outlet:1. Unit hydrograph2. Rainfall hydrograph3. Infiltration index4. Base flowThe correct order in which they have to be employed in the computations is |
| A. | 1, 2, 3, 4 |
| B. | 2, 1, 4, 3 |
| C. | 2, 3, 1, 4 |
| D. | 4, 1, 3, 2 |
| Answer» D. 4, 1, 3, 2 | |
| 1237. |
Which one of the following statements is correct ?A forebay in a hydel system is provided at the junction of : |
| A. | the power channel and the tail race channel |
| B. | the tail race channel and the penstock |
| C. | the penstock and the turbine |
| D. | the power channel and the penstock |
| Answer» E. | |
| 1238. |
The tipping load of a crane refers to |
| A. | lifted weight together with all attached handling tackle and hoist rope, with grounded attached outriggers |
| B. | lifted weight together with all attached handling tackle but excluding hoist rope, with specifying the radius horizontally, with grounded outriggers |
| C. | lifted weight alone, with specifying the radius for the lifted weight and also for the counter weight without grounding the outriggers |
| D. | lifted weight alone, at specified horizontal radius without grounding the outriggers. |
| Answer» C. lifted weight alone, with specifying the radius for the lifted weight and also for the counter weight without grounding the outriggers | |
| 1239. |
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 | |
| 1240. |
The correct sequence of plasticity of min-erals in soil in an increasing order is |
| A. | Silica, Kaolinite, Illite, Montmorillonite |
| B. | Kaolinite, Silica, Illite, Montmorillonite |
| C. | Silica, Kaolinite, Montmorillonite, Illite |
| D. | Kaolinite, Silica, Montmorillonite, Illite |
| Answer» B. Kaolinite, Silica, Illite, Montmorillonite | |
| 1241. |
A ball of mass 1 kg moving with a velocity of 2 m/s collides directly with a stationary ball of mass 2 kg and comes to rest after the impact. The velocity of the second ball after impact will be |
| A. | 0 |
| B. | 1 m/s |
| C. | 2 m/s |
| D. | 4 m/s |
| Answer» C. 2 m/s | |
| 1242. |
The figure shows a rigid frame fixed at A and hinged at C.If a pure moment of 20 kNm is applied at B in the plane of the figure, then what is the moment at the fixed end A? |
| A. | 10 kNm |
| B. | 7.5 kNm |
| C. | 5 kNm |
| D. | 2.5 kNm |
| Answer» D. 2.5 kNm | |
| 1243. |
The effective throat thickness in mm of a 6 mm size fillet weld with an angle of 75 between the fusion faces is |
| A. | 3.6 |
| B. | 4.0 |
| C. | 4.2 |
| D. | 4.5 |
| Answer» D. 4.5 | |
| 1244. |
A soil has liquid limit of 60%, plastic limit of 35% and shrinkage limit of 20% and it has a natural moisture content of 50%. The liquidity index of soil is |
| A. | 1.5 |
| B. | 1.25 |
| C. | 0.6 |
| D. | 0.4 |
| Answer» D. 0.4 | |
| 1245. |
Which one of the following is the correct statement ? A streamlined body is one for which the |
| A. | skin friction is zero. |
| B. | thickness of the body is less than 1/100 of its length |
| C. | corners are rounded off. |
| D. | separation occurs, if at all, at the farthest downstream part of the body. |
| Answer» E. | |
| 1246. |
Which of the following statements about design period are true ?1. It is concerned with economy of investment.2. It takes into account aspects like life of durability and ease or difficulty of capacity increase of installations.3. It considers the frequency of occurrence of extremes of river flow.4. It is concerned with estimating future requirements.Select the correct answer using the codes given below : |
| A. | 1, 2, 3 and 4 |
| B. | 2 and 3 |
| C. | 1, 2 and 4 |
| D. | 1, 3 and 4 |
| Answer» D. 1, 3 and 4 | |
| 1247. |
Gypsum is used as an admixture in cement grouts for |
| A. | accelerating the setting time |
| B. | retarding the setting time |
| C. | increasing the plasticity |
| D. | reducing the grout shrinkage |
| Answer» C. increasing the plasticity | |
| 1248. |
A sand deposit has a porosity of 0.375 and a specific gravity of 2.6, the critical hydraulic gradient for the sand deposit is |
| A. | 2.975 |
| B. | 2.225 |
| C. | 1 |
| D. | 0.75 |
| Answer» D. 0.75 | |
| 1249. |
If the actual observed value of standard penetration resistance, N is greater than 15 in a fine sand layer below water table, then the equivalent penetration resistance will be |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/30-778-4.png"> | |
| 1250. |
During the measurement of a line by chain or tape in slopes, if the length of the line is 'l' and the height difference between the ends of the line is 'h', then the correction to the measured length is more than by |
| A. | zero |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-650-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-650-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-650-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-650-3.png"> | |