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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.
| 1551. |
In a plate load test, how is the ultimate load estimated from the load settlement curve on a log-log graph ? |
| A. | Directly |
| B. | By drawing tangents to the curve at the initial and final points |
| C. | By the secant method |
| D. | At 0.2 percent of the maximum settlement |
| Answer» B. By drawing tangents to the curve at the initial and final points | |
| 1552. |
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 |
| B. | 2 |
| C. | 1 |
| D. | 0.5 |
| Answer» C. 1 | |
| 1553. |
In a closed traverse, the sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures. The closing line will lie in the |
| A. | N-W quadrant |
| B. | N-E quadrant |
| C. | S-E quadrant |
| D. | S-W quadrant |
| Answer» D. S-W quadrant | |
| 1554. |
A section of a flitched beam is shown in the given figure. The main role of the steel plate placed between the two timber sections is to |
| A. | increase the axial resistance of the section |
| B. | increase and density |
| C. | increase shear and bending resistance of the section |
| D. | avoid development of shear stress in the two timber sections |
| Answer» D. avoid development of shear stress in the two timber sections | |
| 1555. |
What is eutrophication of lakes primarily due to ? |
| A. | Multiplication of bacteria |
| B. | Excessive inflow of nutrients |
| C. | Increase in benthic organisms |
| D. | Thermal and density currents |
| Answer» C. Increase in benthic organisms | |
| 1556. |
A 4-hour rainfall in a catchment of 250 km2 produces rainfall depths of 6.2 cm and 5.0 cm in successive 2-hour unit periods. Assuming the φ index of the soil to be 1.2 cm/hour, the run-off volume in ha-m will be |
| A. | 16 |
| B. | 22 |
| C. | 1600 |
| D. | 2200 |
| Answer» D. 2200 | |
| 1557. |
A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm. If φ = index remains at the same value, which one of the following is the runoff due to 12 cm of rainfall in 9 hours in the catchment? |
| A. | 4.5 cm |
| B. | 6.0 cm |
| C. | 7.5 cm |
| D. | 9.0 cm |
| Answer» D. 9.0 cm | |
| 1558. |
Consider the following soil parameters and conditions :1. Drainage conditions2. Thickness of layer3. Initial void ratio4. Over-burden pressureThe magnitude of settlement is influenced by, |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 4 |
| D. | 1, 3 and 4 |
| Answer» C. 1, 3 and 4 | |
| 1559. |
Which of the following treatments reduce salinity of water ?1. Flocculation and sedimentation 2. Filtration3. Reverse osomasis 4. ElectrodialysisSelect the correct answer using the codes given below : |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 2 and 3 |
| D. | 1 and 4 |
| Answer» C. 2 and 3 | |
| 1560. |
The effort 'P' to be applied horizontally to pull a weight 'W' on a plane inclined at an angle α with the horizontal is given by (tan θ is the coefficient of friction) |
| A. | P = W tan (α + θ) |
| B. | P = W tan (α - θ) |
| Answer» B. P = W tan (Œ± - Œ∏) | |
| 1561. |
In the preliminary treatment of wastewater, skimming tanks are often included in the treatment scheme. Various features of skimming tanks are that these :1. can remove general floating matter.2. can remove oily and greasy matter.3. have detention time of 30 min.4. employ compressed air blown through diffusers.Which of these statements are correct ? |
| A. | 1 and 3 |
| B. | 2 and 4 |
| C. | 2 and 3 |
| D. | 1 and 2 |
| Answer» C. 2 and 3 | |
| 1562. |
A circular pipe of radius R carries a laminar flow of a fluid. The average velocity is indicated as the local velocity at what radical distance, measured from the centre ? |
| A. | 0.50 R |
| B. | 0.71 R |
| C. | 0.67 R |
| D. | 0.29 R |
| Answer» C. 0.67 R | |
| 1563. |
At a point in a strained material, if two mutually perpendicular tensile stresses of 2000 kg/cm2 and 1000 kg/cm2 are acting, then the intensity of tangential stress on a plane inclined at 15° to the axis of the minor stress will be : |
| A. | 125 kg/cm2 |
| B. | 250 kg/cm2 |
| C. | 500 kg/cm2 |
| D. | 1000 kg/cm2 |
| Answer» C. 500 kg/cm2 | |
| 1564. |
A point in an element is stressed as shown in the given figure. What is the value of normal stress on the oblique plane BE ? |
| A. | 200 N / mm2 |
| B. | 175 N / mm2 |
| C. | 150 N / mm2 |
| D. | 100 N / mm2 |
| Answer» B. 175 N / mm2 | |
| 1565. |
Why are moorings provided ? |
| A. | For anchoring of ships |
| B. | For towing the ships to the sea |
| C. | For repair of ships |
| D. | For washing of ships and ship boards |
| Answer» B. For towing the ships to the sea | |
| 1566. |
The changes that take place during the process of consolidation of a saturated clay would include |
| A. | an increase in pore water pressure and an increase in effective pressure |
| B. | an increase in pore water pressure and a decrease in effective pressure |
| C. | a decrease in pore water pressure and a decrease in effective pressure |
| D. | a decrease in pore water pressure and an increase in effective pressure |
| Answer» E. | |
| 1567. |
Which one of the following statements is the correct description of the structure of fibre board ? |
| A. | Thin slices of superior quality of wood are glued and pressed on the surface of inferior wood |
| B. | Steamed mass of wood dusts, wood wool and other vegetable fibres are pressed hard to a thickness varying from 3 mm to 12 mm |
| C. | Thin and narrow wood shavings are soaked in a refractory binder material and pressed hard |
| D. | Wood veneer backed by fabric mat |
| Answer» C. Thin and narrow wood shavings are soaked in a refractory binder material and pressed hard | |
| 1568. |
The standard plasticity chart to classify fine grained soils is shown in the given figure. The area marked 'X' represents |
| A. | silt of low plasticity |
| B. | clay of high plasticity |
| C. | organic soil of medium plasticity |
| D. | clay of intermediate plasticity |
| Answer» D. clay of intermediate plasticity | |
| 1569. |
A beam carries a uniformly distributed load throughout its length. In which of the following configurations will the strain energy be maximum ? |
| A. | Cantilever |
| B. | Simply supported beam |
| C. | Propped cantilever |
| D. | Fixed beam |
| Answer» B. Simply supported beam | |
| 1570. |
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 | |
| 1571. |
Two reservoirs at different surface elevations are connected by a set of two pipes A and B of same diameter and length in parallel. If the friction factor of A is 4 times that of the pipe B, what is the ratio of the discharge in A to that in B ? |
| A. | 0.25 |
| B. | 4 |
| C. | 2 |
| D. | 0.5 |
| Answer» D. 0.5 | |
| 1572. |
A circular plate 100 mm diameter is welded to another plate by means of 6 mm fillet weld. If the permissible shearing stress in the weld equals 10 kg/mm2, then the greatest twisting moment that can be resisted by the weld will be |
| A. | 424 π kg.m |
| B. | 300 π kg.m |
| C. | 212 π kg.m |
| D. | 60 π kg.m |
| Answer» D. 60 œÄ kg.m | |
| 1573. |
Consider the following statements :A good soil for making bricks should contain1. about 30% alumina 2. about 10% lime nodules 3. a small quantity of iron oxides 4. about 15% magnesia.Of these statements : |
| A. | 1 and 2 are correct |
| B. | 1 and 3 are correct |
| C. | 1, 3 and 4 are correct |
| D. | 2, 3 and 4 are correct |
| Answer» C. 1, 3 and 4 are correct | |
| 1574. |
A circular shaft subjected to torsion undergoes a twist of 1° in a length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm2 and if modulus of rigidity G = 0.8 x 106 kg/cm2, then the radius of the shaft should be |
| A. | π/18 |
| B. | 18/π |
| C. | π/27 |
| D. | 27/π |
| Answer» E. | |
| 1575. |
What is the BOD5 at 20°C of a waste that yields an oxygen consumption of 2 mg/l from a 0.5% diluted sample ? |
| A. | 50 mg/l |
| B. | 400 mg/l |
| C. | 200 mgl |
| D. | 250 mgl |
| Answer» C. 200 mgl | |
| 1576. |
The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles α and β subtended by AP, BP and CP at the boat P; and then proceeds to plot the position of P. The problem may become indeterminate is special cases when |
| A. | B and P are on opposite sides of the line AC |
| B. | both B and P are on the same side of the line AC |
| C. | P is within the triangle ABC |
| D. | P is very close to the extension of one of the edges of the triangle ABC |
| Answer» E. | |
| 1577. |
The bending moments at point A, B, and C of the beam shown in the given figure will be: |
| A. | 10 kNm, 10 kNm and 10 kNm |
| B. | 10 kNm, 10 kNm and - 10 kNm |
| C. | 20 kNm, 10 kNm and - 10 kNm |
| D. | 10 kNm, - 10 kNm and 20 kNm |
| Answer» C. 20 kNm, 10 kNm and - 10 kNm | |
| 1578. |
Which of the following treatments reduce salinity of water1. Flash mixing and sedimentation2. Electrodialysis3. Reverse osmosis4. Freezing5. FiltrationSelect the correct answer using the codes given below: |
| A. | 1, 2, 3, 4 and 5 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 5 |
| D. | 1, 2 and 4 |
| Answer» C. 1, 3 and 5 | |
| 1579. |
What will be the curve lead for a 1 in 8 1/2 turnout taking off from a straight broad gauge track? |
| A. | 28.49 m |
| B. | 21.04 m |
| C. | 14.24 m |
| D. | 7.45 m |
| Answer» B. 21.04 m | |
| 1580. |
According to ICAO recommendations, what is the rate of elevation correction for the runway above MSL ? |
| A. | 1 % for every 100 m of elevation above MSL |
| B. | 7 % for every 300 m of elevation above MSL |
| C. | 2 % for every 500 m of elevation above MSL |
| D. | 2 % for every 300 m of elevation above MSL |
| Answer» C. 2 % for every 500 m of elevation above MSL | |
| 1581. |
In an old map, line PQ was drawn to a magnetic bearing of 6°32', the magnetic declination at that time being 1° East. The present magnetic declination is 9°42' East. The magnetic bearing to which the line is set at present is |
| A. | 357° 50' |
| B. | 356° 50' |
| C. | 3° 10' |
| D. | 2° 10' |
| Answer» B. 356¬∞ 50' | |
| 1582. |
Which one of the following would help prevent the escape of foul sewer gases from a water closet ? |
| A. | Air gap |
| B. | Vent pipe |
| C. | Gulley trap |
| D. | None of the above |
| Answer» E. | |
| 1583. |
Seasoning of timber is required to |
| A. | soften the timber |
| B. | harden the timber |
| C. | straighten the timber |
| D. | remove sap from the timber |
| Answer» E. | |
| 1584. |
Consider the following statements- with reference to a continuous beam supported at A, C and E for which the shear force diagram is shown in the given figure.There is 1. a concentrated load acting at point B2. a concentrated load acting at point D3. a uniformly distributed load acting on the portion CE.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» E. | |
| 1585. |
A saturated stiff clay has unit weight 2 gm/cm3 and unconfined compressive strength 2 kg/cm2. The depth of tension crack that would develop in this clay is |
| A. | 2 m |
| B. | 5 m |
| C. | 10 m |
| D. | 20 m |
| Answer» B. 5 m | |
| 1586. |
For a symmetrical continuous beam as shown in the figure given above, which one of the following is correct in respect of distribution factors at B ? |
| A. | δBA : δBC = 3:4 |
| B. | δBA : δBC = 1:2 |
| C. | δBA : δBC = 3:2 |
| D. | δBA : δBC = 3:8 |
| Answer» B. Œ¥BA : Œ¥BC = 1:2 | |
| 1587. |
In a compression member, plate element may buckle locally before the entire member fails. To avoid this, which of the following recommendations are made ?1. Thickness of members is taken in terms of lengths of compression members2. Length of element is increased3. Length of member is increased4. Outstand is decreasedSelect the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 2 and 3 |
| D. | 1 and 4 |
| Answer» E. | |
| 1588. |
In a trigonometric levelling, the height of the signal used is 4.62 m and the instrument height is 1.25 m. If the horizontal distance of the target from the instrument is 5780 m, then the axis-signal correction is |
| A. | seconds |
| B. | seconds |
| C. | seconds |
| D. | seconds |
| Answer» E. | |
| 1589. |
Which of the following measures are resorted to for strengthening masonry walls ?1. Provide cross walls.2. Pre-stressing.3. Provide gunite slab on the surface(s) of walls.4. Provide buttresses.Select the correct answer using the code given below : |
| A. | 1, 3 and 4 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1, 2, 3 and 4 |
| Answer» B. 1 and 2 | |
| 1590. |
What is the wave velocity for a uniform train of wave beyond the storm centre for a wave length of 20 m in 14 m deep water ? |
| A. | 5.5 m/s |
| B. | 11.2 m/s |
| C. | 4.5 m/s |
| D. | 9 m/s |
| Answer» D. 9 m/s | |
| 1591. |
What is the recommended grade of tar for grouting purpose ? |
| A. | RT - 1 |
| B. | RT - 2 |
| C. | RT - 3 |
| D. | RT - 5 |
| Answer» E. | |
| 1592. |
In a design of storm sewers, if the time taken by rain-water to flow from the farthest point of the watershed to the sewer inlet is 'ti' and the time of flow of water from the sewer inlet to the point in the sewer that is under consideration is 'tf', then the time of concentration will be |
| A. | ti |
| B. | tf |
| C. | ti + tf |
| D. | ti or tf whichever is greater |
| Answer» D. ti or tf whichever is greater | |
| 1593. |
ABC is rigid bar. It is hinged at A and suspended at B and C by two wires BD and CE made of copper and steel respectively, as shown in the given figure. The bar carries load of 1t at F, mid-way between B and C. Given Ac = 4 cm2, A = 2 cm2, Ec = 1 x 106 kg/cm2, Es = 2 x 106 kg/cm2. Ps is the force in the steel wire and Pc is the force in the copper wire, the ratio Pc/Ps will be |
| A. | 0.5 |
| B. | 4 |
| C. | 0.25 |
| D. | 2 |
| Answer» B. 4 | |
| 1594. |
Which among the following brings about the Hazardous Waste Management and Handling Rules in India? |
| A. | Central Pollution Control Board |
| B. | Ministry of Environment and Forests |
| C. | Ministry of Urban Development |
| D. | Ministry of Rural Development |
| Answer» C. Ministry of Urban Development | |
| 1595. |
Consider the following statements :Sand in mortar is needed for1. decreasing the quantity of cement.2. reducing shrinkage.3. decreasing the surface area of the binding material.4. increasing the strength.Of these statements : |
| A. | 2, 3 and 4 are correct |
| B. | 1, 2 and 3 are correct |
| C. | 1, 3 and 4 are correct |
| D. | 1, 2 and 4 are correct |
| Answer» E. | |
| 1596. |
A close-coiled helical spring has 100 mm mean diameter and is mada of 20 turns to 10 mm diameter steel wire. The spring carries an axial load of 100 N Modulus of rigidity is 84 GPa. The shearing stress developed in the spring in N/mm2 is |
| A. | 120/π |
| B. | 160/π |
| C. | 100/π |
| D. | 80/π |
| Answer» E. | |
| 1597. |
For the compound bar shown in the below figure, the ratio of stresses in the portions AB : BC : CD will be |
| A. | 0.16738425925926 |
| B. | 0.043101851851852 |
| C. | 0.044467592592593 |
| D. | 0.16806712962963 |
| Answer» D. 0.16806712962963 | |
| 1598. |
If the diameter of a shaft subjected to torque alone, is doubled, then the horse power P can be increased to |
| A. | 16 P |
| B. | 0.83333333333333 |
| C. | 0.66666666666667 |
| D. | 0.58333333333333 |
| Answer» C. 0.66666666666667 | |
| 1599. |
Which one of the following statements is correct ? Compared to IFR conditions, the runaway capacity of a runway operating under VFR consitions |
| A. | is higher |
| B. | is lower |
| C. | is the same |
| D. | cannot be generalised |
| Answer» B. is lower | |
| 1600. |
Given that:d = effective depth, b = width and D = overall depth.The maximum area of compression reinforcement in a beam is |
| A. | 0.04 bd |
| B. | 0.04 bD |
| C. | 0.12 bd |
| D. | 0.12 bD |
| Answer» C. 0.12 bd | |