MCQOPTIONS
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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.
| 1451. |
A body of mass 4 kg moving at 12 m/s collides with another body of mass 8 kg and adheres to it. The resultant velocity of the total mass in m/s will be |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» B. 5 | |
| 1452. |
Consider the following statements regarding a beam of uniform cross-section simply supported at its ends and carrying a concentrated load at one of its third points :1. Its deflection under the load will be maximum.2. The bending moment under the load will be maximum.3. The deflection at the mid-point of the span will be maximum.4. The slope at the nearer support will be maximum.Of these statements : |
| A. | 1 and 3 are correct |
| B. | 2 and 4 are correct |
| C. | 1 and 2 are correct |
| D. | 3 and 4 are correct |
| Answer» C. 1 and 2 are correct | |
| 1453. |
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 | |
| 1454. |
The velocity vector for a steady three-dimensional flow field is described as :At point (1, 2, 3) what is the approximate value of the magnitude of the velocity? |
| A. | 21 |
| B. | 18 |
| C. | 10 |
| D. | 4 |
| Answer» B. 18 | |
| 1455. |
Which one of the following is the best method for the stabilization of the clayey subgrade in water-logged area ? |
| A. | Cement stabilization |
| B. | Lime stabilization |
| C. | Bitumen stabilization |
| D. | Stabilization by grouting |
| Answer» C. Bitumen stabilization | |
| 1456. |
Consider the following statements :In the bar chart planning1. Interdependence of the operations cannot be portrayed2. Progress of work can be measured3. Spare time of the activities can be determined4. Schedule cannot be updated Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 4 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 2 and 4 are correct |
| Answer» C. 2, 3 and 4 are correct | |
| 1457. |
Consider the following statements with respect to tunnelling methods:1. Full face excavation is suitable for small size tunnel of short length in compact rock. It is not suitable in urban areas.2. Heading and Benching method is suitable for soft rock tunnelling of medium size.3. Drift method is suitable for large tunnels in difficult or incompetent rock.Which of the statements given above are correct ? |
| A. | 1 and 3 |
| B. | 1, 2 and 3 |
| C. | 2 and 3 |
| D. | 1 and 2 |
| Answer» B. 1, 2 and 3 | |
| 1458. |
Consider the following statements regarding use of mechanical vibrator :1. It can be used for small as well as large volumes of concrete.2. The mix can have high value of slump.3. Density of concrete can be high.The advantages of a mechanical vibrator include : |
| A. | 2 and 3 |
| B. | 1 and 3 |
| C. | 1, 2 and 3 |
| D. | 1 and 2 |
| Answer» C. 1, 2 and 3 | |
| 1459. |
Consider the following factors :1. Elevation2. Temperature3. Gradient4. Trip length.For finding the runway length, which of these are taken into reckoning ? |
| A. | 1 and 3 |
| B. | 2 and 4 |
| C. | 1 and 2 |
| D. | 1, 2, 3 and 4 |
| Answer» E. | |
| 1460. |
Consider the following statements regarding uniform flow in an open channel :1. Energy grade line, water surface and bed slope are parallel to each other.2. Froude number does not vary from section to section.3. Velocity of water is the same at all points of the cross-section.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 | |
| 1461. |
A truss is shown in the given figure. The cross-sectional area of each member is 'A' and the modulus of elasticity of the material is E. The strain energy in the member XY is given by |
| A. | P2L/2AE |
| B. | P2L/QAE |
| C. | P2L/3AE |
| D. | zero |
| Answer» E. | |
| 1462. |
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. | |
| 1463. |
Consider the following factors :1. Large number of loading cycles 2. Large variations in stress3. Large stress concentration. Those associated with fatigue would include |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» B. 1 and 3 | |
| 1464. |
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 | |
| 1465. |
Consider the following properties :1. The sum of the three sides is always greater than the circumference of the great circle.2. The sum of the three angles is less than six right angles and greater than two right angles.3. The sum of the sides is greawter than the third side.4. The smaller angle is opposite the smaller side and vice versa.The propoerties of spherical triangles would include |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 1, 3 and 4 |
| Answer» C. 1, 2 and 4 | |
| 1466. |
A mild steel flat of width 120 mm and thickness 10 mm is bent into an arc of a circle of radius 10 m by applying a pure moment 'M' If E is 2 x 105 N/mm2, then the magnitude of the pure moment 'M' will be |
| A. | 2 x 106 N-mm |
| B. | 2 x 105 N-mm |
| C. | 0.2 x 105 N-mm |
| D. | 0.2 x 104 N-mm |
| Answer» C. 0.2 x 105 N-mm | |
| 1467. |
In water treatment process, the chemical used for defluoridation is |
| A. | Alum |
| B. | Lime |
| C. | Potassium permanganate |
| D. | Sodium aluminate |
| Answer» B. Lime | |
| 1468. |
A roaring rail has which one of the following defects ? |
| A. | Split on head of rail |
| B. | Minute depression and waves on the surface of rails |
| C. | Split on web portion of rail |
| D. | Square cracks on the surface of rail |
| Answer» C. Split on web portion of rail | |
| 1469. |
With 'n' variables and 'm' fundamental dimensions in a system, which one of the following statements relating to the application of the Buckingham's Pi Theorem is incorrect ? |
| A. | With experience, pi terms can be written simply by inspection of variables in a flow system |
| B. | Buckingham's pi theorem is not directly applicable in compressible flow problem |
| C. | Buckingham's pi theorem yields dimensionless pi terms given by the difference between the number of variables and the number of fundamental dimensions |
| D. | Buckingham's pi theorem reduces the number of variables by the number of fundamental dimensions involved. |
| Answer» C. Buckingham's pi theorem yields dimensionless pi terms given by the difference between the number of variables and the number of fundamental dimensions | |
| 1470. |
With a vertical point load on the surface when considering the vertical plane passing through the load, the stress gets reduced by 52.3% at a depth of |
| A. | 0.25 of unit length |
| B. | 0.5 of unit length |
| C. | 0.75 of unit length |
| D. | 1 of unit length |
| Answer» D. 1 of unit length | |
| 1471. |
What is the superelevation for a horizontal highway curve of radius 500 m and speed 100 kmph in mixed traffic condition ? |
| A. | 0.089 |
| B. | 0.062 |
| C. | 0 |
| D. | 0.01 |
| Answer» E. | |
| 1472. |
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 | |
| 1473. |
At a hydraulic jump, the depths at the two sides are 0.4 m and 1.4 m. The head loss in the jump is nearly |
| A. | 1.0 m |
| B. | 0.9 m |
| C. | 0.7 m |
| D. | 0.45 m |
| Answer» E. | |
| 1474. |
Field vane shear is the appropriate field test for obtaining the shear strength of which one of the following ? |
| A. | Stiff clay |
| B. | Weathered rock |
| C. | Sand |
| D. | Soft clay |
| Answer» E. | |
| 1475. |
The typical density in kg/cm (in situ) of well-compacted municipal solid waste in landfill is in the range of |
| A. | 100 to 300 |
| B. | 310 to 500 |
| C. | 550 to 850 |
| D. | 900 to 1100 |
| Answer» C. 550 to 850 | |
| 1476. |
Consider the following statements :(a) Setting and hardening of cement takes place after the addition of water.(b) Water causes hydration and hydrolysis of the constituent compounds of cement which act as bindersWhich 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 | |
| 1477. |
In a third order traverse, if the standard error of ± 3" is assigned to each of the four source of errors, namely :(i) reading the vernie(ii) non-adjustment of transit(iii) sighting and(iv) setting over the station, then the total standard error of the work would be |
| A. | ±3" |
| B. | ±6" |
| C. | ±6.92" |
| D. | ±12" |
| Answer» C. ¬±6.92" | |
| 1478. |
The portal frame shown in the given figure is statically indeterminate to the |
| A. | first degree |
| B. | second degree |
| C. | third degree |
| D. | None of the above |
| Answer» D. None of the above | |
| 1479. |
What is the ratio of rate of back-washing to that of filtration in a typical rapid sand filter ? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 10 |
| Answer» D. 10 | |
| 1480. |
Consider the following statements :1. Pumps in series operation allow the head to increase.2. Pumps in series operation increase the flow rate.3. Pumps ill parallel operation increase the flow rate.4. Pumps in parallel operation allow the head to increase.Which of these statements are correct ? |
| A. | 1 and 3 |
| B. | 1 and 4 |
| C. | 2 and 4 |
| D. | 3 and 4 |
| Answer» B. 1 and 4 | |
| 1481. |
A bar of uniform cross-section of 400 mm2 is loaded as shown in the figure. The stress at section 1-1 is |
| A. | 50 N/mm2 |
| B. | 100 N/mm2 |
| C. | 25 N/mm2 |
| D. | 200 N/mm2 |
| Answer» C. 25 N/mm2 | |
| 1482. |
What is the correct sequence of formation of the following compounds during chlorination of water in which ammonia is present ?1. NCl3 2. NH2Cl3. NHCl2Select the correct answer using the codes given below: |
| A. | 1, 2, 3 |
| B. | 2, 3, 1 |
| C. | 3, 1, 2 |
| D. | 2, 1, 3 |
| Answer» C. 3, 1, 2 | |
| 1483. |
A velocity field with no components in the y and z directions is given by V = 6 + 2xy +t2The acceleration along the x-direction at a point (3, 1, 2), at time 2, is |
| A. | 8 units |
| B. | 16 units |
| C. | 28 units |
| D. | 36 units |
| Answer» E. | |
| 1484. |
Permissible limit of cant deficiency for Broad Gauge (B.G.) is |
| A. | 50 mm |
| B. | 60 mm |
| C. | 75 mm |
| D. | 88 mm |
| Answer» D. 88 mm | |
| 1485. |
In the propped cantilever shown in the figure below, what are the values of the bending moment and shear force at the support A ? |
| A. | 2 Pa, P/3 |
| B. | Pa, P |
| C. | Pa, P/3 |
| D. | 2 Pa, 4 P/3 |
| Answer» C. Pa, P/3 | |
| 1486. |
For determining the forces in the members of a truss by graphic statics, the method of substitution will be required in the case of |
| A. | Fink truss |
| B. | Howe truss |
| C. | King post truss |
| D. | Warren truss |
| Answer» B. Howe truss | |
| 1487. |
The elements that are normally subjected to combined bending and axial forces are |
| A. | struts in reinforced concrete members |
| B. | the members in long span bridges |
| C. | columns in framed structures |
| D. | space truss members |
| Answer» D. space truss members | |
| 1488. |
A three-hinged semicircular arch of radius R carries a uniformly distributed load W per unit run over the whole span. The horizontal thrust is |
| A. | WR |
| B. | WR/2 |
| C. | 4/3π WR |
| Answer» C. 4/3œÄ WR | |
| 1489. |
The Trap used for a water closet is called |
| A. | gully trap |
| B. | p-trap |
| C. | intercepting trap |
| D. | anti-siphon trap |
| Answer» C. intercepting trap | |
| 1490. |
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 | |
| 1491. |
In a free vortex, velocity |
| A. | decreases with radius |
| B. | increases with radius |
| C. | is constant |
| D. | varies inversely as the square of the radius |
| Answer» B. increases with radius | |
| 1492. |
Which one of the following is considered to be an advantage of the heading and benching method of tunes construction ? |
| A. | It is suitable for construction in unstable rocks |
| B. | In this method, it is easy to install timber support |
| C. | Tunnelling can be continous and the work can be expedited |
| D. | In case of excessive water, it is easy to take corrective steps |
| Answer» D. In case of excessive water, it is easy to take corrective steps | |
| 1493. |
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 | |
| 1494. |
In which one of the following grades of a highway is an emergency escape ramp provided ? |
| A. | 1 in 200 |
| B. | Zero grade |
| C. | Downgrade |
| D. | Upgrade |
| Answer» D. Upgrade | |
| 1495. |
Consider the implicit details between, before and after successive steps in/within the order while doing time computations on a CPM network. (FP => Forward Pass; BP => Backward Pass; LET => Late Event Time; EET => Early Event Time; TF => Total Float; PD => Project Duration; AD => Activity Duration)The correct sequence of computation would be |
| A. | EET, PD, LET, TF |
| B. | EET, PD, LET, AD |
| C. | AD, EET, BP, PD |
| D. | FP, EET, TF, PD |
| Answer» D. FP, EET, TF, PD | |
| 1496. |
Which of the following pairs is correctly matched ? |
| A. | Froude's number .... Intertial to surface tension force |
| B. | Mach number .... Inertial to elastic force |
| C. | Euler number .... Inertial to gravity force |
| D. | Reynolds number .... Inertial to pressure force |
| Answer» C. Euler number .... Inertial to gravity force | |
| 1497. |
The number of independent conditions required to be satisfied for the adjustment of a braced quadrilateral in triangulation survey is |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» E. | |
| 1498. |
A rod shown in the given figure is such that the lower part is made of steel and the upper part is made of copper. Both the ends of the rod are rigidly clamped. If an axial force P is applied at the junction of the two metals, given that the ratio Esteel/ECopper is equal to 2, then the force in the copper rod would be |
| A. | P/5 tension |
| B. | P/3 tension |
| C. | P/3 compression |
| D. | P/5 compression |
| Answer» B. P/3 tension | |
| 1499. |
Consider the following statements :1. Butterfly valve is used for throttling and controlling flow rate.2. Check valve is used in the discharge piping of a pump.3. Air-relief valve is placed in the pipeline at the valleys to automatically vent the accumulated air in the system4. Altitude valve is provided in user overhead tank.Which of the statements given above are correct ? |
| A. | 1, 2 and 4 only |
| B. | 1, 2 and 3 only |
| C. | 1 and 2 only |
| D. | 3 and 4 only |
| Answer» D. 3 and 4 only | |
| 1500. |
Two similar round bars A and B are each 30 cm long as shown in the given figure. The ratio of the energies stored by the bars A and B, is |
| A. | 43499 |
| B. | 1 |
| C. | 43682 |
| D. | 43526 |
| Answer» B. 1 | |