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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.
| 401. |
If is the vertical angle of an inclined sight, is the angle of tilt of the staff, the error |
| A. | <img src="/_files/images/civil-engineering/surveying/62-3.175-1.png"> |
| B. | <img src="/_files/images/civil-engineering/surveying/62-3.175-2.png"> |
| C. | <img src="/_files/images/civil-engineering/surveying/62-3.175-3.png"> |
| D. | none of these. |
| Answer» B. <img src="/_files/images/civil-engineering/surveying/62-3.175-2.png"> | |
| 402. |
The fluid generally used for grouting is |
| A. | cement and water mix |
| B. | clay suspension |
| C. | sodium silicate |
| D. | bitumen emulsion |
| E. | all the above. |
| Answer» F. | |
| 403. |
The seepage force in a soil, is |
| A. | perpendicular to the equipotential lines |
| B. | proportional to the exit graident |
| C. | proportional to the head loss |
| D. | all the above. |
| Answer» E. | |
| 404. |
Stoke's law sates that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon |
| A. | shape of grain |
| B. | weight of grain |
| C. | size of grain |
| D. | shape and size of grain |
| E. | shape, size and weight of grain. |
| Answer» F. | |
| 405. |
A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is |
| A. | 0.25 |
| B. | 0.50 |
| C. | 0.75 |
| D. | 1.00 |
| Answer» E. | |
| 406. |
Minimum depth of a footing carrying a heavy load, is calculated by the formula |
| A. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/42-11-178-1.png"> |
| B. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/42-11-178-2.png"> |
| C. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/42-11-178-3.png"> |
| D. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/42-11-178-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/42-11-178-3.png"> | |
| 407. |
The ultimate Settlement of a soil is directly proportional to: |
| A. | depth of the compressible soil strata |
| B. | compressive index |
| C. | void ratio |
| D. | both (a) and (b) |
| E. | none of these. |
| Answer» E. none of these. | |
| 408. |
Pick up the clay soil group which does not swell when wet from the following : |
| A. | Kaolinite group |
| B. | Illite group |
| C. | Vermiculite group |
| D. | Montrorillonite group. |
| Answer» C. Vermiculite group | |
| 409. |
Factor of safety against sliding of a slope, is the ratio of |
| A. | actual cohesion to that required to maintain stability of slope |
| B. | shear strength to shear stress along the surface |
| C. | neither (a) nor (b) |
| D. | both (a) and (b). |
| Answer» E. | |
| 410. |
If S, L and R are the arc length, long chord and radius of the sliding circle then the perpendicular distance of the line of the resultant cohesive force, is given by |
| A. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-1.png"> |
| B. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-2.png"> |
| C. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-3.png"> |
| D. | none of these. |
| Answer» B. <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/40-11-152-2.png"> | |
| 411. |
The liquid limit and plastic limit exist in |
| A. | sandy soils |
| B. | silty soils |
| C. | gravel soils |
| D. | clay soils. |
| Answer» E. | |
| 412. |
The coefficient of curvature is defined |
| A. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/48-11-252-1.png"> |
| B. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/48-11-252-2.png"> |
| C. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/48-11-252-3.png"> |
| D. | <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/48-11-252-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/soil-mechanics-and-foundation-engineering/48-11-252-4.png"> | |
| 413. |
The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known |
| A. | porosity |
| B. | specific gravity |
| C. | void ratio |
| D. | water content. |
| Answer» D. water content. | |
| 414. |
A compacted soil sample using 10% moisture content has a weight of 200 g and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.0, the degree of saturation of the soil is |
| A. | 11.1% |
| B. | 55.6% |
| C. | 69.6% |
| D. | none of these. |
| Answer» C. 69.6% | |
| 415. |
A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil particles is 2.6. If the moisture content in the soil is 20%, the degree of saturation is |
| A. | 20% |
| B. | 77% |
| C. | 92% |
| D. | none of these. |
| Answer» D. none of these. | |
| 416. |
Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is |
| A. | 50% |
| B. | 60% |
| C. | 75% |
| D. | 80% |
| Answer» D. 80% | |
| 417. |
The water content of soil is defined as the ratio of |
| A. | volume of water to volume of given soil |
| B. | volume of water to volume of voids in soil |
| C. | weight of water to weight of air in voids |
| D. | weight of water to weight of solids of given mass of soil. |
| Answer» E. | |
| 418. |
Accurate determination of water content, is made by |
| A. | calcium carbide method |
| B. | sand bath method |
| C. | alcohol method |
| D. | oven-drying method. |
| Answer» E. | |
| 419. |
According to Coulomb's wedge theory, the active earth pressure slides the wedge |
| A. | down and outwards on a slip surface |
| B. | up and inwards on a slip surface |
| C. | horizontal upward and parallel to base |
| D. | horizontal inward and parallel to base. |
| Answer» B. up and inwards on a slip surface | |
| 420. |
The coefficient of compressibility of soil, is the ratio of |
| A. | stress to strain |
| B. | strain to stress |
| C. | stress to settlement |
| D. | rate of loading to that of settlement. |
| Answer» C. stress to settlement | |
| 421. |
If the failure of a finite slope occurs through the toe, it is known as |
| A. | slope failure |
| B. | face failure |
| C. | base failure |
| D. | toe failure. |
| Answer» E. | |
| 422. |
Rankine's theory of active earth pressure assumes |
| A. | soil mass is homogeneous, dry and cohesionless |
| B. | ground surface is a plane which may be horizontal or inclined |
| C. | back of the wall is vertical and smooth |
| D. | wall yields about the base |
| E. | all the above. |
| Answer» F. | |
| 423. |
An imaginary line joining the points of equal elevation on the surface of the earth, represents |
| A. | contour surface |
| B. | contour gradient |
| C. | contour line |
| D. | level line |
| E. | none of these. |
| Answer» D. level line | |
| 424. |
The 'fix' of a plane table station with three known points, is bad if the plane table station lies |
| A. | in the great triangle |
| B. | outside the great triangle |
| C. | on the circumference of the circumscribing circle |
| D. | none of these. |
| Answer» D. none of these. | |
| 425. |
Closed contours of decreasing values towards their centre, represent |
| A. | a hill |
| B. | a depression |
| C. | a saddle or pass |
| D. | a river bed. |
| Answer» C. a saddle or pass | |
| 426. |
Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following |
| A. | chain surveying |
| B. | compass surveying |
| C. | plan table surveying |
| D. | tacheometric surveying. |
| Answer» D. tacheometric surveying. | |
| 427. |
While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is |
| A. | correctly focussed |
| B. | not correctly focussed |
| C. | said to have parallax |
| D. | free from parallax. |
| Answer» D. free from parallax. | |
| 428. |
Diopter is the power of a lens having a focal length of |
| A. | 25 cm |
| B. | 50 cm |
| C. | 75 cm |
| D. | 100 cm |
| E. | 125 cm |
| Answer» E. 125 cm | |
| 429. |
If L is the perimeter of a closed traverse, D is the closing error in departure, the correction for the departure of a traverse side of length l, according to Bowditch rule, is |
| A. | <img src="/_files/images/civil-engineering/surveying/66-3.229-1.png"> |
| B. | <img src="/_files/images/civil-engineering/surveying/66-3.229-2.png"> |
| C. | <img src="/_files/images/civil-engineering/surveying/66-3.229-3.png"> |
| D. | <img src="/_files/images/civil-engineering/surveying/66-3.229-4.png"> |
| E. | . |
| Answer» E. . | |
| 430. |
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. |
| Answer» C. from higher level to the lower level | |
| 431. |
In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by |
| A. | adding 180 , if the given bearing is less than 180 |
| B. | subtracting 180 , if the given bearing, is more than 180 |
| C. | changing the cardinal points, i.e. substituting N for S and E for W and vice-versa |
| D. | none of these. |
| Answer» D. none of these. | |
| 432. |
The variety of pig iron used for manufacture of wrought iron, is |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White forge pig |
| D. | Mottled pig. |
| Answer» D. Mottled pig. | |
| 433. |
Elastomers can extend upto |
| A. | five times their original dimensions |
| B. | seven times their original dimensions |
| C. | ten times their original dimensions |
| D. | three times their original dimensions. |
| Answer» D. three times their original dimensions. | |
| 434. |
In the method of condensation polymerization, |
| A. | low-molecular substances are removed from the high molecular substance |
| B. | the reaction proceeds with an evolution of ammonia |
| C. | the reaction proceeds with an evolution of hydrogen chloride |
| D. | all the above. |
| Answer» E. | |
| 435. |
Bitumen felt |
| A. | is used as water proofing material |
| B. | is used as damp proofing material |
| C. | is made from bitumen and hessian fibres |
| D. | all the above. |
| Answer» E. | |
| 436. |
In the cement the compound quickest to react with water, is |
| A. | Tricalcium aluminate |
| B. | Tetra-calcium alumino-ferrite |
| C. | Tricalcium silicate |
| D. | Dicalcium silicate. |
| Answer» B. Tetra-calcium alumino-ferrite | |
| 437. |
Fibre glass |
| A. | retains heat-longer |
| B. | has a higher strength to weight ratio |
| C. | is shock proof and fire retardent |
| D. | does not decay |
| E. | all the above. |
| Answer» F. | |
| 438. |
Gniess is obtained from |
| A. | igneous rocks |
| B. | metamorphic rocks |
| C. | sedimentary rocks |
| D. | sedimentary metamorphic rocks. |
| Answer» E. | |
| 439. |
The commonly used colour pigment in paints, is |
| A. | ambers |
| B. | carbon black |
| C. | iron oxide |
| D. | lamp black |
| E. | all the above. |
| Answer» F. | |
| 440. |
Varnish is a transparent or semi-transparent solution of resinuous substances in |
| A. | alcohol |
| B. | linseed |
| C. | turpentine |
| D. | all the above. |
| Answer» E. | |
| 441. |
Good quality stones must |
| A. | be durable |
| B. | be free from clay |
| C. | resist action of acids |
| D. | all the above. |
| Answer» E. | |
| 442. |
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. |
| Answer» C. decreases if the staff is tilted away from normal | |
| 443. |
Wrought iron contains carbon upto |
| A. | 0.25% |
| B. | 1.0% |
| C. | 1.5% |
| D. | 2%. |
| Answer» B. 1.0% | |
| 444. |
Pick up the polymineralic rock from the following: |
| A. | Quartz sand |
| B. | Pure gypsum |
| C. | Magnesite |
| D. | Granite |
| E. | None of these. |
| Answer» E. None of these. | |
| 445. |
The horizontal component of the force on a curved surface is equal to |
| A. | weight of liquid vertically below the curved surface |
| B. | force on a vetical projection of the curved surface |
| C. | product of pressure at its centroid and the area |
| D. | weight of liquid retained by the curved area. |
| Answer» C. product of pressure at its centroid and the area | |
| 446. |
The radius of gyration of the water line of a floating ship is 4 m and its metacentric height is 72.5 cm. The period of oscillation of the ship, is |
| A. | |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| E. | /2 |
| Answer» D. 4 | |
| 447. |
A pipe consisting of several pipes of varying diameters and lengths, may be replaced by an equivalent pipe of diameter D of length |
| A. | <img src="/_files/images/civil-engineering/hydraulics/153-7.163-1.png"> |
| B. | <img src="/_files/images/civil-engineering/hydraulics/153-7.163-2.png"> |
| C. | <img src="/_files/images/civil-engineering/hydraulics/153-7.163-3.png"> |
| D. | <img src="/_files/images/civil-engineering/hydraulics/153-7.163-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/hydraulics/153-7.163-4.png"> | |
| 448. |
The Empirical formula for discharge over large rectangular weirs, is known as |
| A. | Francis formula |
| B. | Bazin formula |
| C. | Rehbook formula |
| D. | Kutter's formula. |
| Answer» C. Rehbook formula | |
| 449. |
Differential manometers are used to measure |
| A. | pressure in water channels, pipes, etc. |
| B. | difference in pressure at two points |
| C. | atmospheric pressure |
| D. | very low pressure. |
| Answer» C. atmospheric pressure | |
| 450. |
A tank 4m x 3m x 2m containing an oil of specific gravity 0.83 is moved with an acceleration g/2 m sec2. The ratio of the pressures at its bottom when it is moving vertically up and down, is |
| A. | 2 |
| B. | 3 |
| C. | 1/2 |
| D. | 1/3 |
| Answer» C. 1/2 | |