MCQOPTIONS
Saved Bookmarks
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.
| 1401. |
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 | |
| 1402. |
Ringelmann's scale is used to |
| A. | measure CO |
| B. | measure SO |
| C. | <sub>2</sub> |
| D. | grade density of smoke |
| E. | grade automobile exhaust gas |
| Answer» D. grade density of smoke | |
| 1403. |
The following statements relate to a laminar flow :1. Laminar flow is rotational.2. In laminar flow the loss of head is proportional to the square of the velocity.3. In laminar flow the loss of head is proportional to the first power of viscosity.4. In laminar flow the velocity is constant over the cross-section.5. Other quantities remaining the same, increase in diameter will increase the Reynolds number in laminar flow.Of these statements : |
| A. | 1, 2 and 4 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 1, 3 and 5 are correct |
| D. | 2, 3 and 5 are correct |
| Answer» E. | |
| 1404. |
Plate load test is useful to estimate |
| A. | Bearing capacity of foundation |
| B. | Settlement of foundation |
| C. | Both bearing capacity and settlement of foundation |
| D. | Depth of foundation |
| Answer» D. Depth of foundation | |
| 1405. |
When is a masonry wall known as a shear wall ? |
| A. | If the earthquake load is out-of-plane |
| B. | If the earthquake load is in-plane |
| C. | If it is under reinforced |
| D. | If it is placed as infill to the frame |
| Answer» C. If it is under reinforced | |
| 1406. |
A parabolic arch, symmetrical, with hinges at centre and ends, carries a point load P at distance x from left support. The arch has a span of 20 m and rise of 5 m. What is the value of x if the left hinge reaction is inclined with a slope of two vertical on one horizontal ? |
| A. | 8 m |
| B. | 5 m |
| C. | 4 m |
| D. | 2.5 m |
| Answer» D. 2.5 m | |
| 1407. |
Which of the following equations will be satisfied by irrotational flow of an incompressible fluid? |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/14-123-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/14-123-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/14-123-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/14-123-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/14-123-2.png"> | |
| 1408. |
Consider the following statements for the column with a bracket as shown in the figure :1. Shear force is constant throughout.2. Maximum moment in the column is P.e.3. The compressive axial force in the column is 0.4. p.Which of the statements given above is/are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 only |
| C. | 1 and 3 |
| D. | 2 only |
| Answer» D. 2 only | |
| 1409. |
Increase in fineness of cement |
| A. | reduces the rate of strength development and leads to higher shrinkage |
| B. | increases the rate of strength development and reduces the rate of deterioration |
| C. | decreases the rate of strength development and increases the bleeding of cement |
| D. | increases the rate of strength development and leads to higher shrinkage |
| Answer» E. | |
| 1410. |
Which one of the following statements is correct ? Lug angles: |
| A. | are necessarily unequal angles |
| B. | are always equal angles |
| C. | increase the shear resistance of joint |
| D. | reduce the length of joint |
| Answer» E. | |
| 1411. |
Velocity in the z direction is given by |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/06-641-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/06-641-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/06-641-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/06-641-4.png"> |
| Answer» E. | |
| 1412. |
A grinding wheel rotates 3000 rpm. When power supply is cut off, the wheel stops completely in 10 seconds. What is the number of revolutions made by the wheel before coming to rest ? |
| A. | 3000 |
| B. | 1000 |
| C. | 500 |
| D. | 250 |
| Answer» E. | |
| 1413. |
A clay layer 3 m deep is sandwiched by a pervious material. The soil reaches 90% consolidation in 3 years. At another site, the same clay layer is bounded by impervious boundary at the bottom and sand at the top. What is the time taken by this layer to reach 90% settlement ? |
| A. | 9 years |
| B. | 12 years |
| C. | 15 years |
| D. | 21 years |
| Answer» C. 15 years | |
| 1414. |
What is the distance through which the tongue rail moves laterally at the toe of the switch for movement of trains called ? |
| A. | Flangeway clearance |
| B. | Heel divergence |
| C. | Throw of the switch |
| D. | None of the above |
| Answer» D. None of the above | |
| 1415. |
Presence of which one of the following in water is the major cause of depression paralysis, blindness and/or birth defects ? |
| A. | cadmium |
| B. | Chromium |
| C. | Manganese |
| D. | Mercury |
| Answer» E. | |
| 1416. |
Consider a close-coiled helical spring of radius R, subjected to a load P. The spring consists of n turns of wire with wire radius r. The stiffness of the spring is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/13-121-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/13-121-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/13-121-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/13-121-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/13-121-3.png"> | |
| 1417. |
Force of buoyancy on a floating body equals |
| A. | total pressure on the vertical projection of the body |
| B. | total pressure on the horizontal projection of the body |
| C. | weight of the liquid equal to the volume of the body |
| D. | weight of the liquid equal to the immersed volume of the body |
| Answer» E. | |
| 1418. |
Consider the following statements :1. Obtaining reliable properties of soil is very important in geotechnical engineering. Chunksamples obtained from the field are the best for this purpose.2. Chunk samples may easily be obtained at all depths below ground level and for all types of soils.3. Undisturbed soil samples are enclosed in rugged containers. As such, they do not get disturbed easily during transportation and handling.Which of the statements given above is/are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 only |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» C. 2 and 3 | |
| 1419. |
Two springs of stiffnesses KA and KB are placed on inside the other so as to compressed by the same amount under an applied axial load. The combined stiffness of the two springs will be |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-578-1.png"> |
| B. | <i>K<sub>A</sub> K<sub>B</sub>/(K<sub>A</sub> + K<sub>B</sub>)</i> |
| C. | <i>(K<sub>A</sub> + K<sub>B</sub>)</i> |
| D. | /2 |
| E. | <i>K<sub>A</sub> + K<sub>B</sub></i> |
| Answer» E. <i>K<sub>A</sub> + K<sub>B</sub></i> | |
| 1420. |
If the Young's modulus 'E' is equal to bulk modulus 'K', then what is the value of the Posson's ratio ? |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-582-4.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-577-4.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-35-4.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/15-1235-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/15-1235-4.png"> | |
| 1421. |
Consider the following statements :1. In a fluid under motion, the pressure at a point is always perpendicular to the surface.2. Pascal's law states that the pressure at a point is same in all directions.3. Magnitude of pressure of a fluid at a point is obtained from hydrostatic law.4. Pascal's law is applicable in the operation of a hydraulic press.Which of these statements are correct ? |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 2, 3 and 4 |
| Answer» E. | |
| 1422. |
A hydro-electric reservoir can supply water continuously at a rate of 100 m3/s. The head is 75 m. The theoretical power that can be developed is |
| A. | 10000 mhp |
| B. | 100000 mhp |
| C. | 7500 mhp |
| D. | 7500 kW |
| Answer» C. 7500 mhp | |
| 1423. |
Four vertical columns of the same material, height and weight have the same end condition. The buckling load will be the largest for a column having the cross-section of a/an |
| A. | solid square |
| B. | thin hollow circle |
| C. | solid circle |
| D. | <i>I</i> |
| Answer» B. thin hollow circle | |
| 1424. |
A beam has a solid circular cross-section having diameter d. If a section of the beam is subjected to a shear force F the maximum shear stress in the cross-section is given by |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/11-110-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/11-110-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/11-110-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/11-110-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/11-110-3.png"> | |
| 1425. |
A simply supported beam AB of span 'l' has a form cross-section throughout. It carries a central concentrated load W and another load which is uniformly distributed over the entire span, its total magnitude being W. The minimum deflection in the beam is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-604-3.png"> | |
| 1426. |
Consider the following statements :In subsoil exploration programme the term "significant depth of exploration" is upto1. the width of foundation2. twice the width of foundation3. the depth where the additional stress intensity is less than 20% of overburden pressure4. the depth where the additional stress intensity is less than 10% of the overburden pressure5. hard rock level.Of these statements : |
| A. | 1, 3 are 5 are correct |
| B. | 2, 3 and 5 are correct |
| C. | 1 and 4 are correct |
| D. | 2 and 4 are correct |
| Answer» C. 1 and 4 are correct | |
| 1427. |
In what context is the slump test performed ? |
| A. | Strength of concrete |
| B. | Workability of concrete |
| C. | Water-cement ratio |
| D. | Durability of concrete |
| Answer» C. Water-cement ratio | |
| 1428. |
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" | |
| 1429. |
Consider the following statements :1. Tests on cement paste to determine initial and final setting times are done at normal consistency condition.2. Low heat cement has a high percentage to tricalcium aluminate.3. High early strength portland cement contains a larger percentage of tricalcium silicate and a lower percentage of dicalcium silicate.Which of these statements are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» C. 2 and 3 | |
| 1430. |
What is the vertical deflection of joint C of the frame shown in figure ? |
| A. | PL/AE |
| B. | 2PL/AE |
| C. | PL/2AE |
| D. | 3PL/AE |
| Answer» C. PL/2AE | |
| 1431. |
Which of the following pairs is not correctly matched ? |
| A. | B.O.D. - Strength of sewage |
| B. | Methane - Product of anerobic decomposition |
| C. | C.O.D. - Biodegradability ofwaste-water |
| D. | Nitrate - Methemoglobinemia |
| Answer» B. Methane - Product of anerobic decomposition | |
| 1432. |
In consolidation testing, curve fitting method is used to determine |
| A. | compression index |
| B. | swelling index |
| C. | coefficient of consolidation |
| D. | time factor |
| Answer» D. time factor | |
| 1433. |
Consider the following types of soil tests :1. California bearing ratio2. Consolidation3. Unconfined compressionThe soil tests required to be done in the case of undisturbed samples include |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 1 and 3 |
| D. | 2 and 3 |
| Answer» D. 2 and 3 | |
| 1434. |
A cantilever beam AB, fixed at A and carrying a load W at the free end B, is found to deflect by at the mid-point of AB. The deflection of B due to a load W/2 at the mid-point will be |
| A. | 2 |
| B. | |
| C. | /2 |
| D. | /4 |
| Answer» E. | |
| 1435. |
In a tree, the cambium layer is situated between : |
| A. | the outer bark and inner bark |
| B. | the inner bark and sap wood |
| C. | the sap wood and heart wood |
| D. | the pith and heart wood |
| Answer» C. the sap wood and heart wood | |
| 1436. |
Two closed thin vessels, one cylindrical and the other spherical with equal internal diameter and wall thickness are subjected to equal internal fluid.pressure. The ratio of hope stresses in the cylindrical to that of spherical vessels is |
| A. | 4.0 |
| B. | 2.0 |
| C. | 1.0 |
| D. | 0.5 |
| Answer» C. 1.0 | |
| 1437. |
Consider the following statements :If a simply supported beam of uniform cross-section is subjected to a clockwise moment at the left support and an equal anticlockwise moment at the right support, then the1. B.M.D. will be in the shape of a rectangle.2. S.F.D. will be a straight line coinciding with the base.3. deflection curve will be in the shape of a circular arc.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 2 are correct |
| C. | 1 and 3 are correct |
| D. | 2 and 3 are correct |
| Answer» D. 2 and 3 are correct | |
| 1438. |
Which one of the following pairs in not correctly matched ? |
| A. | Lame's constant : Thick cylinder |
| B. | Macaulay's method : Deflection of beams |
| C. | Euler's method : Theory of columns |
| D. | Eddy's theorem : Torsion of shafts. |
| Answer» E. | |
| 1439. |
BOD is preferred to COD as an index of sewage concentration because |
| A. | BOD represents both carbonaceous and nitrogenous organic matter while COD may indicate carbonaceous matter only |
| B. | BOD test is easier to perform and gives more reliable result |
| C. | BOD relates specifically to putrescible organic matter which is the most objectionable sewage constituent |
| D. | COD relates to the impurities which can only removed by chemical treatment which is expensive |
| Answer» C. BOD relates specifically to putrescible organic matter which is the most objectionable sewage constituent | |
| 1440. |
Consider the following systems :1. Trusses and purlins2. Suspension system3. Flat grid roof 4. ShellsWhen these are used in single deck industrial structures, the correct sequence in increasing order of spans will be |
| A. | 3, 1, 2, 4 |
| B. | 1, 3, 2, 4 |
| C. | 3, 1, 4, 2 |
| D. | 2, 4, 1, 3 |
| Answer» B. 1, 3, 2, 4 | |
| 1441. |
If the efficiencies of BOD removal of first-stage and second-stage trickling filters are each 65.0%, then what is the overall BOD removal efficiency of these filters ? |
| A. | 65% |
| B. | 77.25% |
| C. | 87.75% |
| D. | 92.6% |
| Answer» D. 92.6% | |
| 1442. |
Which one of the following tests can be carried out at the construction site to determine the dynamic elastic properties of soil ? |
| A. | Block vibration test |
| B. | Dutch cone penetration test |
| C. | Standard penetration test |
| D. | Vane shear test |
| Answer» E. | |
| 1443. |
A particle moves with simple harmonic motion. If its acceleration at distance 'D' from the equilibrium position is 'A' then the period of the motion is given by |
| A. | 2 |
| B. | <span class="root">AD</span> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-2.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-3.png"> |
| E. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-4.png"> |
| Answer» E. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-4.png"> | |
| 1444. |
Consider the following statements :A high lime content in a composite cement-lime mortor results in1. slow hardening.2. quick setting.3. weaker mortar.Of these statements : |
| A. | 2 and 3 are correct |
| B. | 1 and 2 are correct |
| C. | 1 and 3 are correct |
| D. | 1, 2 and 3 are correct |
| Answer» C. 1 and 3 are correct | |
| 1445. |
In the case of a three-pinned parabolic arch carrying a uniformly distributed load on the entire span, then bending moment will be |
| A. | equal to that of a simply supported beam loaded in the same manner |
| B. | maximum at quarter span |
| C. | zero only at the centre |
| D. | zero throughout the span |
| Answer» E. | |
| 1446. |
Which of the following determination are NOT necessary for raw water from a lake for use as source of supply of water for boiler-feed ?1. Turbidity2. Bacterial count3. Iron4. Hardness.Select the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 1, 3 and 4 |
| D. | 2, 3 and 4 |
| Answer» B. 1, 2 and 4 | |
| 1447. |
If the flange angle is , coefficient of friction between flange and rail is , the derailment coefficient according to Nadal's formula should not exceed |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/90-1092-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/90-1092-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/90-1092-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/90-1092-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/90-1092-4.png"> | |
| 1448. |
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 | |
| 1449. |
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 | |
| 1450. |
In the alignment of an irrigation channel wherefrom offtakes have to be provided at regular intervals, changes in the given channel parameters are made use of. The correct sequence of the decreasing order of preference of these parameters is |
| A. | Width, slope, depth |
| B. | Width, depth, slope |
| C. | Depth, slope, width |
| D. | Depth, width, slope |
| Answer» C. Depth, slope, width | |