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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.
| 1651. |
Compression index of a soil helps to determine |
| A. | total time required for consolidation |
| B. | time required for 50 percent consolidation |
| C. | total settlement of clay water |
| D. | pre-consolidation pressure of clay |
| Answer» E. | |
| 1652. |
At what distance from left support of the beam, is the shear force zero ? |
| A. | 1 m |
| B. | 1.25 m |
| C. | 1.5 m |
| D. | 2.5 m |
| Answer» D. 2.5 m | |
| 1653. |
Why are intermediate vertical stiffeners provided in plate girders ? |
| A. | To eliminate web buckling |
| B. | To eliminate local buckling |
| C. | To transfer concentrated loads |
| D. | To prevent excessive deflection. |
| Answer» B. To eliminate local buckling | |
| 1654. |
Consider the AoA network of a project shown in the given figure. (Activities are designated by alphabets and durations are shown around the stem of the arrow.) The critical path will be |
| A. | 1-2-3-6-7-8 |
| B. | 1-2-3-5-7-8 |
| C. | 1-2-4-5-7-8 |
| D. | 1-2-4-6-7-8 |
| Answer» C. 1-2-4-5-7-8 | |
| 1655. |
Consider the following statements regarding the working stress design of under-reinforced RC sections:1. The neutral axis depth will be greater than that of a balanced section2. The stress in steel in tension will reach its maximum permissible value first3. The moment of resistance will be less than that of the balanced section4. The concrete on'the tension side is also to be considered for calculating the moment of resistance of the section.Of these statement : |
| A. | 1 and 2 are correct |
| B. | 1 and 4 are correct |
| C. | 3 and 4 are correct |
| D. | 2 and 3 are correct |
| Answer» E. | |
| 1656. |
A vertical gate 6 m x 6 m holds water on one side with the free surface at its top. The moment about the bottom edge of the gate of the water force will be (v is the specific weight of water) |
| A. | 18 v |
| B. | 36 v |
| C. | 72 v |
| D. | 216 v |
| Answer» E. | |
| 1657. |
The following data pertain to a waste-water sample :Initial D.O. = 8 mg/lFinal D.O. = 2 mg/lDilution = 1%.The B.O.D. of the given wastewater sample is |
| A. | 600 mg/l |
| B. | 6 mg/l |
| C. | 0.6 mg/l |
| D. | 1 mg/l |
| Answer» B. 6 mg/l | |
| 1658. |
Consider the following statements relating to the stability of floating as well as submerged bodies :1. A submerged body is stable when the centre of gravity is below the centre of buoyancy.2. A floating body is stable when the centre of gravity is above the centre of buoyancy.3. A floating body is stable when the centre of gravity is below the metacentre.4. A submerged body is in stable equilibrium when the centre of gravity coincides with the centre of buoyancy.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 2, 3 and 4 are correct |
| C. | 1, 2 and 4 are correct |
| D. | 1, 3 and 4 are correct |
| Answer» E. | |
| 1659. |
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 | |
| 1660. |
Consider the following statements regarding the swedish circle method of analysing stability of slopes :1. It is a general method of analysing stability of slopes.2. It satisfied only the overall moment equation of equilibirum.3. It considers the forces action on the sides of individual slices.4. It gives a factor of safety which are on the safeside.Of the statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1, 2 and 4 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 3 and 4 are correct |
| Answer» E. | |
| 1661. |
A vehcile was stopped in two seconds by fully jamming the brakes. The skid marks measured 9.8 metre's. The average skid resistance coefficient will be |
| A. | 0.7 |
| B. | 0.5 |
| C. | 0.4 |
| D. | 0.25 |
| Answer» C. 0.4 | |
| 1662. |
Consider the following statements pertaining to intermediate stiffeners :1. Stiffeners are provided to exclusively bear concentrated loads.2. Stiffeners should bear tightly against top and bottom flanges.3. Maximum spacing of stiffeners is restricted 180 t, where t is the thickness of web.Which of the statements given above is are/correct ? |
| A. | 1, 2 and 3 |
| B. | 1 and 2 only |
| C. | 3 only |
| D. | 2 only |
| Answer» D. 2 only | |
| 1663. |
The cable for a prestressed concrete simply supported beam subjected to uniformly distributed load over the entire span should ideally be : |
| A. | placed at the centre of cross-section over the entire span |
| B. | placed at some eccentricity over the entire span |
| C. | varying linearly from the centre of cross-section at the ends to maximum eccentricity at the middle section |
| D. | parabolic with zero eccentricity at the ends and maximum eccentricity at the center of the span |
| Answer» E. | |
| 1664. |
A pin-jointed truss is loaded as shown in the given figure. The force in member CE is |
| A. | 10 tonnes tensile |
| B. | 10 tonnes compressive |
| C. | 5 tonnes tensile |
| D. | 5 tonnes compressive |
| Answer» C. 5 tonnes tensile | |
| 1665. |
What type of noise can be abated by providing lining on walls and ceiling with sound absorbing material? |
| A. | Source noise |
| B. | Reflection noise |
| C. | Structural noise |
| D. | Direct air-borne noise |
| Answer» C. Structural noise | |
| 1666. |
Which of the following treatment(s) will be indicated for a rural water supply from a deep groundwater source ?1. Sedimentation.2. Alum dosage.3. Potassium permanganate dosing.4. Bleaching powder application.Select the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 3 and 4 |
| D. | 4 alone |
| Answer» E. | |
| 1667. |
If two triangulation signals of 6.75 m height each, are to be just visible over ground mutually, what is the maximum distance between their locations on the ground surface ? |
| A. | 10 km |
| B. | 20 km |
| C. | 30 km |
| D. | 40 km |
| Answer» C. 30 km | |
| 1668. |
Maximum gross take-off weight of an aircraft is |
| A. | equal to the maximum structural landing weight |
| B. | less than the maximum structural landing weight |
| C. | more than the maximum structural land weight |
| D. | equal to the empty operating weight plus the payload |
| Answer» D. equal to the empty operating weight plus the payload | |
| 1669. |
For a circular column having its ends hinged, the slenderness ratio is 160. The l/d ratio of the column is |
| A. | 80 |
| B. | 57 |
| C. | 40 |
| D. | 20 |
| Answer» D. 20 | |
| 1670. |
An equipment is purchased for Rs. 40, 000.00 and is fully depreciated by straight line method over 8 years. Considering interest on average annual cost at 15% p.a., the charge on the Company due to use of this equipment, if made uniformly over the 8 years, is |
| A. | Rs. 5, 750 |
| B. | Rs. 8, 000 |
| C. | Rs. 8, 375 |
| D. | Rs. 14, 000 |
| Answer» D. Rs. 14, 000 | |
| 1671. |
A vane shear test on a soil sample gives a moment of total resistance M. The shear stress at failure, 'S' being more of less uniform at top bottom and surface of cylinder of soil is given by (where H = height of vane, D = Diameter of vane) |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/84-515-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/84-515-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/84-515-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/84-515-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/84-515-4.png"> | |
| 1672. |
The most important purpose of frog in a brick is to : |
| A. | emboss manufacturer's name |
| B. | reduce the weight of brick |
| C. | form keyed joint between brick and mortar |
| D. | improve insulation by providing 'hollows'. |
| Answer» D. improve insulation by providing 'hollows'. | |
| 1673. |
If the difference of height between two points is 1 m and the slope distance between them is 100 m, then accuracy of slope correction determination could be 1 in 1, 00, 000, provided the heights are measured with an accuracy of |
| A. | 0.1 cm |
| B. | 0.5 cm |
| C. | 1.0 cm |
| D. | 5.0 cm |
| Answer» B. 0.5 cm | |
| 1674. |
Which one of the following is a method of extending the length of record for a frequency curve at a station ? |
| A. | Double Mass Curve method |
| B. | The Station Year method |
| C. | Thiessen method |
| D. | Isohyetal method |
| Answer» C. Thiessen method | |
| 1675. |
Consider the following statements regarding a simply supported beam subjected to a uniformly distributed load over the entire span :1. The bending moment is maximum at the central position.2. The shear force is zero at the central position.3. The slope is maximum at the middle position.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 2 are correct |
| C. | 2 and 3 are correct |
| D. | 1 and 3 are correct |
| Answer» C. 2 and 3 are correct | |
| 1676. |
Which one of the following is not a standard spike for railways ? |
| A. | Dog spike |
| B. | Cat spike |
| C. | Screw spike |
| D. | Round spike |
| Answer» C. Screw spike | |
| 1677. |
What does the critical path in PERT represent ?1. The shortest path for the earliest completion of the project.2. The longest path of the network from the initial to final event, |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 1678. |
Which one of the following, gives the correct decreasing order of the densities of a soil sample? |
| A. | Saturated, submerged, wet, dry |
| B. | Saturated, wet, submerged, dry |
| C. | Saturated, wet, dry, submerged |
| D. | Wet, saturated, submerged, dry |
| Answer» D. Wet, saturated, submerged, dry | |
| 1679. |
Consider the following statements :Liquefaction is a phenomenon1. observed in fine sands2. associated with development of positive pore pressure.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 | |
| 1680. |
A footing is resting on a fully saturated clayey strata. For checking the initial stability, shear parameters are used from which one of the following ? |
| A. | Consolidated non-drained test |
| B. | Unconsolidated drained test |
| C. | Unconsolidated non-drained test |
| D. | Unconsolidated non-drained test with pore pressure measurement |
| Answer» D. Unconsolidated non-drained test with pore pressure measurement | |
| 1681. |
Consider the following statements :A grillage base is checked for1. bending2. shear3. compression4. web cripplingWhich of these statements are correct ? |
| A. | 1 and 4 |
| B. | 1 and 3 |
| C. | 2, 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» E. | |
| 1682. |
Which of the following are associated with alum coagulation ?1. A decrease of alkalinity in treated water2. Formation of hydroxide flocs of aluminium 3. A slight decrease of pH in treated water4. An increase of permanent hardnessSelect the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 1, 2, 3 and 4 |
| D. | 2 and 4 |
| Answer» D. 2 and 4 | |
| 1683. |
Which one of the following systems of pre-stressing is suitable for pre-tensioned members ? |
| A. | Freyssinet system |
| B. | Magnel-Blaton system |
| C. | Hoyer system |
| D. | Gifford-Udall system |
| Answer» D. Gifford-Udall system | |
| 1684. |
Consider the following statements :For an over-reinforced (singly reinforced) rectangular RC section.1. the lever arm will be less than that for a balanced section.2. the maximum stress developed by steel would equal the allowable stress in steel.3. the maximum stress developed by concrete would equal allowable stress in concrete.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 | |
| 1685. |
In the pin-jointed plane truss shown above, what is the magnitude and nature of force in member BC? |
| A. | Zero |
| B. | 50 kN (tensile) |
| C. | 50 kN (compressive) |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/44-1439-4.png"> |
| Answer» B. 50 kN (tensile) | |
| 1686. |
Approximate ratio of the permeabilities of two clean soils having D10 = 0.6 mm and D10 = 0.3 mm is |
| A. | 4.0 |
| B. | 3.75 |
| C. | 4.25 |
| D. | 3.5 |
| Answer» B. 3.75 | |
| 1687. |
The force in member AB is in the given figure |
| A. | 5 kN compression |
| B. | 2 kN compression |
| C. | zero |
| D. | 7 kN compression |
| Answer» D. 7 kN compression | |
| 1688. |
What is the bending moment at A for the bent column shown in the D figure ? |
| A. | 40 kNm |
| B. | 20 kNm |
| C. | 10 kNm |
| D. | Zero C |
| Answer» E. | |
| 1689. |
In which type of lakes, does a perfect ecological equilibrium among the producers, decomposers and consumer groups of organisms exist ? |
| A. | Senescent lakes |
| B. | Mesotrophic lakes |
| C. | Oligotrophic lakes |
| D. | Eutrophic lakes |
| Answer» D. Eutrophic lakes | |
| 1690. |
A soil deposit has three layers having same thickness each but the permeabilities of the layers are in the ratio of 1 : 2 : 4 from top to bottom. What is the ratio of average permeability in the horizontal direction to that in the vertical direction ? |
| A. | 7 : 2 |
| B. | 14 : 6 |
| C. | 28 : 24 |
| D. | 49 : 36 |
| Answer» E. | |
| 1691. |
Consider the following factors :1. Period of construction, winter/summer2. Degree of foundation roughness3. Slab thickness4. Reinforced/unreinforcedWhich of these factors are considered as per IRC for obtaining the maximum expansion joint spacing in rigid pavements ? |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 2 and 3 |
| D. | 1 and 4 |
| Answer» B. 2, 3 and 4 | |
| 1692. |
The concentration of hardness producing cations may be estimated using which one of the following ? |
| A. | Conductivity meter |
| B. | pH meter |
| C. | Spectrophotometer |
| D. | Flame photometer |
| Answer» D. Flame photometer | |
| 1693. |
Consider the following statements :In the case of close coiled spring carrying an axial loading the spring is subjected to : 1. torsion 2. axial force3. bending moment the effect of which can be neglected.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 | |
| 1694. |
A vehicle is moving up on an inclined plane. The vehicle has rear-wheel drive. Force of friction on the rear wheels will be in a direction |
| A. | along the plane but backward |
| B. | backward at an angle with the plane, where is the friction angle |
| C. | along the plane but forward |
| D. | forward at an angle with the plane, where is the friction angle |
| Answer» D. forward at an angle with the plane, where is the friction angle | |
| 1695. |
The given figure shows a frame to be analysed by moment distribution method. The distribution factors for members GF, GH and GD will be respectively |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-575-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-575-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-575-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-575-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/95-575-3.png"> | |
| 1696. |
Consider the following statements pertaining to a pile group and a single pile at failure :1. In loose and medium dense sands, the failure load per pile in a group will generally be greater than the failure load for a single pile.2. In cohesive soils, the failure load per pile in a group will be greater than failure load for a single pile.3. For piles driven in dense sands, the failure load per pile in a group is greater than the failure load for a single pile.4. When the pile spacing is greater than 10 times the pile diameter, the failure loads per pile in a group and forly same in both sands and clays.Of these statements : |
| A. | 1 and 4 are correct |
| B. | 2 and 4 are correct |
| C. | 1, 2, 3 and 4 are correct |
| D. | 2, 3 and 4 are correct |
| Answer» B. 2 and 4 are correct | |
| 1697. |
A surge tank is provided in a hydropower scheme to |
| A. | provide additional storage close to the penstock |
| B. | take care of change of slope, alignment or size of the water conductor system |
| C. | reduce the pressures under transient conditions |
| D. | provide convenient overspills |
| Answer» D. provide convenient overspills | |
| 1698. |
For the analysis of flow in a water distribution network, the site engineers prefer the following head loss equation : |
| A. | Darcy-Weisbach equation |
| B. | Chezy's equation |
| C. | Hazen-William's equation |
| D. | Manning's equation |
| Answer» D. Manning's equation | |
| 1699. |
What is the full width of the land aquired before finalizing highway alignment, known as ? |
| A. | width of formation |
| B. | right of way |
| C. | Carriage way |
| D. | Roadway |
| Answer» C. Carriage way | |
| 1700. |
What is the superelevation for a horizontal highway curve of radius 500 m and speed 100 kmph in mixed traffic condition ? |
| A. | 8.9% |
| B. | 6.2% |
| C. | 0% |
| D. | 1% |
| Answer» E. | |