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.
| 1851. |
The rectangular block shown in the given figure is subjected to pure shear to intensity 'q'. If BE represents the i principal plane and the principal stresses are σ1, σ2 ; then the values of θ, σ1 and σ2 will be respectively. |
| A. | θ°, 90°; + q and - q |
| B. | 30°, 120°; + q and - q |
| C. | 45°, 135°; + and |
| D. | 45°, 135°; + q and - q |
| Answer» E. | |
| 1852. |
A rectangular channel of 2.5 m width and 2 m depth of water carries a flow of 10 m3/s. The specific energy for the flow is given by |
| A. | 1.18 m |
| B. | 3.4 m/s |
| C. | 2.0 m/s |
| D. | 2.2 m |
| Answer» C. 2.0 m/s | |
| 1853. |
A horizontal rod AB carries three loads of 3.0 kg, 7.0 kg and 10.0 kg at distances of 2.0 cm, 9.0 cm and 15 cm respectively from A where it is hinged. Neglecting the weight of the rod, which is the point at which the rod will be balance ? |
| A. | 10.95 cm form A |
| B. | 11.25 cm from A |
| C. | 12.55 cm from A |
| D. | 13.25 cm form A |
| Answer» B. 11.25 cm from A | |
| 1854. |
What is the correct sequence of the following events in rock tunnelling :1. Marking tunnel profile 2. Loading explosive and blasting3. Checking misfire 4. Muking5. Removing foul gas 6. Setting up and drilling7. GunnistingSelect the correct answer using the codes given below : |
| A. | 1, 6, 5, 3, 4, 2, 7 |
| B. | 1, 2, 6, 3, 5, 4, 7 |
| C. | 1, 6, 2, 5, 4, 3, 7 |
| D. | 1, 6, 2, 5, 3, 4, 7 |
| Answer» E. | |
| 1855. |
A river is the source of water for water supply to a town. Its water is very turbid and polluted. The correct sequence of steps for treating the river water would be : |
| A. | Presedimentation -> prechlorination -> coagulation -> sedimentation -> filtration -> post chlorination |
| B. | coagulation -> sedimentation -> post-chlorination |
| C. | coagulation -> filtration -> sedimentation -> post-chlorination |
| D. | sedimentation -> post-chlorination |
| Answer» B. coagulation -> sedimentation -> post-chlorination | |
| 1856. |
Consider the following strengths of concrete :1. Cube strength2. Cylinder strength3. Split-tensile strength4. Modulus of ruptureThe correct sequence in decreasing order of these strengths is |
| A. | 3, 4, 2, 1 |
| B. | 3, 4, 1, 2 |
| C. | 4, 3, 2, 1 |
| D. | 4, 3, 1, 2 |
| Answer» E. | |
| 1857. |
Vibratory rollers are more useful for compacting which of the following ? |
| A. | Sandy soils |
| B. | Silty soils |
| C. | Clayer soils |
| D. | Mixed soils |
| Answer» B. Silty soils | |
| 1858. |
Consider the following statements regarding the phenomenon of bulking of sand :1. It is due to film of water around sand particles.2. It is due to capillary action.3. It is more in finer sands.Which of the following statements given above is/are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1 and 2 |
| Answer» C. 2 and 3 | |
| 1859. |
Which one of the following pairs is correctly matched ? |
| A. | Sandstone....Igneous rock |
| B. | Limestone....Sedimentary rock |
| C. | Basalt....Metamorphic rock |
| D. | Granite....Argiliaceous rock |
| Answer» C. Basalt....Metamorphic rock | |
| 1860. |
The plastic modulus of a section is 5 x 10-4m3. Its shape factor is 1.2 and the plastic moment capacity is 120 kNm. What is the value of the yield stress of the material ? |
| A. | 100 N/mm2 |
| B. | 200 N/mm2 |
| C. | 240 N/mm2 |
| D. | 288 N/mm2 |
| Answer» D. 288 N/mm2 | |
| 1861. |
Tensile strength of concrete is measured by |
| A. | direct tension test in the universal testing machine |
| B. | applying compressive load along the diameter of the cylinder |
| C. | applying third point loading on a prism |
| D. | applying tensile load along the diameter of the cylinder |
| Answer» B. applying compressive load along the diameter of the cylinder | |
| 1862. |
A soil has a bulk density of 1.80 g/cm3 at water content of 5%. If the void ratio remains constant, then its bulk density for a water content of 10% will be |
| A. | 1.88 g/cm3 |
| B. | 1.80 g/cm3 |
| C. | 1.98 g/cm3 |
| D. | 1.70 g/cm3 |
| Answer» B. 1.80 g/cm3 | |
| 1863. |
A particle of mass 3 kg moving in a straight line decelerates uniformly from a speed of 40 m/s to 20 m/s in a distance of 300 m. Before it comes to rest, it will travel a further distance pf |
| A. | 10 m |
| B. | 20 m |
| C. | 50 m |
| D. | 100 m |
| Answer» E. | |
| 1864. |
A saturated clay stratum of thickness 10 m, bounded on top and bottom by medium coarse sand layers, has a coefficient of consolidation of 0.002 cm2/s. If this stratum is subjected to loading, it is likely that it would undergo 50% of its primary consolidation in |
| A. | 1136 days |
| B. | 227 days |
| C. | 284 days |
| D. | 568 days |
| Answer» D. 568 days | |
| 1865. |
Which one of the following closely represents the shape of the earth? |
| A. | Spheroid |
| B. | Ellipsoid |
| C. | Oblate spheroid |
| D. | Prolate spheroid |
| Answer» C. Oblate spheroid | |
| 1866. |
The moment of inertia of a given rectangular area is minimum about |
| A. | its longer centroidal axis |
| B. | its polar axis |
| C. | its axis along the diagonal |
| D. | its shorter centroidal axis |
| Answer» E. | |
| 1867. |
A soil has a liquid limit of 45% and lies above the A-line when plotted on a plasticity chart. The group, symbol of the soil as per Soil Classification is |
| A. | CH |
| B. | CI |
| C. | CL |
| D. | MI |
| Answer» C. CL | |
| 1868. |
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 | |
| 1869. |
Two simply supported beams B1 and B2 have spans l and 2l respectively. Beam B1 has a cross-section of 1 x 1 units and beam B2 has a cross-section of 2 x 2 units. These beams are subjected to concentrated loads W each at the centre of their spans. The ratio of the maximum flexural stress in these beams is |
| A. | 4 |
| B. | 2 |
| Answer» B. 2 | |
| 1870. |
A locomotive has four pairs of driving wheels carrying an axle load of 24 x 104 N. The maximum load that can be pulled if the coefficient of friction is 1/6, is |
| A. | 32 x 104 N |
| B. | 16 x 104 N |
| C. | 8 x 104 N |
| D. | 4 x 104 N |
| Answer» C. 8 x 104 N | |
| 1871. |
If an element is subjected to pure shearing stress τxy then the maximum principal stress is equal to |
| A. | 2τxy |
| B. | τxy/2 |
| C. | τxy |
| D. | 1 - (τxy)2 |
| Answer» D. 1 - (œÑxy)2 | |
| 1872. |
A pipeline of 5 cm diameter is reduced abruptly to 2.5 cm diameter at a section to enable measurement of the water flowing through it. The loss of head at the contraction is 0.5 m. Given that, in metric units, 2g = 4.43 and g = 3.132, the mean velocity in the reduced section will be |
| A. | 0.5 m/sec |
| B. | 1.1075 m/sec |
| C. | 1.566 m/sec |
| D. | 4.43 m/sec |
| Answer» E. | |
| 1873. |
The process of determining the location of the station (on the map) occupied by the plane table is called as |
| A. | Intersection |
| B. | Three-point problem |
| C. | Traversing |
| D. | Resection |
| Answer» E. | |
| 1874. |
Why are gate valves provided in distribution system ? |
| A. | To minimize the flow pressure in the network |
| B. | To maximize the usage of the distribution system |
| C. | To control the flow in the pipe network |
| D. | To identify the loss through illegal connections. |
| Answer» D. To identify the loss through illegal connections. | |
| 1875. |
Which one of the following statements is correct ? The function of an air vessel in a reciprocating pump is to obtain : |
| A. | reduction of suction head |
| B. | rise in delivery head |
| C. | continuous supply of water at uniform rate |
| D. | increase in supply of water |
| Answer» D. increase in supply of water | |
| 1876. |
The following steps are involved in laying a sewer in a trench :1. Transferring the center line of the sewer to the bottom trench.2. Setting sight rails over the trench.3. Driving pegs to the level of the invert line of the sewer.4. Placing the sewer of these steps is The correct sequence of these steps is |
| A. | 1, 2, 3, 4 |
| B. | 2, 3, 4, 1 |
| C. | 4, 2, 3, 1 |
| D. | 2, 3, 1, 4 |
| Answer» E. | |
| 1877. |
Bricks are burnt at a temperature range of |
| A. | 500° to 700°C |
| B. | 700° to 900°C |
| C. | 900° to 1200°C |
| D. | 1200° to 1500°C |
| Answer» C. 900¬∞ to 1200¬∞C | |
| 1878. |
A cold drawn seamless steel tubing subject to internal pressure, has a diameter of 6 cm and wall thickness of 0.2 cm. The ultimate strength of steel is 3600 kg/cm2. The bursting pressure (in kg/cm2) is |
| A. | 120 |
| B. | 240 |
| C. | 480 |
| D. | 960 |
| Answer» C. 480 | |
| 1879. |
A bar 4 cm in diameter is subjected to an axial load of 41. The extension of the bar over a gauge length of 20 cm is 0.03 cm. The decrease in diameter is 0.0018 cm. The Poisson's ratio is |
| A. | 0.25 |
| B. | 0.3 |
| C. | 0.33 |
| D. | 0.35 |
| Answer» C. 0.33 | |
| 1880. |
Consider the following statements :A critical activity in a CPM network has1. The longest duration of all activities2. zero total float3. zero for float4. The shortest duration of all activitieswhich one of the statements given above are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 3 and 4 |
| Answer» B. 1 and 3 | |
| 1881. |
Which are the critical activities of the bar chart shown above ? |
| A. | Activities B and E |
| B. | Activities A, D and F |
| C. | Activities A, C and E |
| D. | Activities A and F |
| Answer» B. Activities A, D and F | |
| 1882. |
Distemper is used to coat |
| A. | external concrete surfaces |
| B. | interior surfaces not exposed to weather |
| C. | woodwork |
| D. | compound walls |
| Answer» C. woodwork | |
| 1883. |
Water is to be pumped at the rate of 0.025 m3/s from a 4 m deep ground level tank to an overhead tank. The difference in levels of the full tank levels of these tanks is 16 m. What is the approximate power required for operating a 65% efficient centrifugal pump ? |
| A. | 7.5 kW |
| B. | 6.0 kW |
| C. | 3.9 kW |
| D. | 3.2 kW |
| Answer» D. 3.2 kW | |
| 1884. |
What is the type of soil structure having arrangement of soil particles with a 'face to face' or parallel orientation generally recognized as |
| A. | Honeycomb structure |
| B. | Single-grained structure |
| C. | Flocculent structure |
| D. | Dispersed structure |
| Answer» E. | |
| 1885. |
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 | |
| 1886. |
For Froude number of a hydraulic jump is 5.5. The jump can be classified as a/an: |
| A. | undularjump |
| B. | oscillating jump |
| C. | weak jump |
| D. | steady jump |
| Answer» E. | |
| 1887. |
The initial and final void ratios of a clay sample in a consolidation test are 1 and 0.5, respectively. If the initial thickness of the sample is 2.4 cm, then its final thickness will be |
| A. | 1.3 cm |
| B. | 1.8 cm |
| C. | 1.9 cm |
| D. | 2.2 cm |
| Answer» C. 1.9 cm | |
| 1888. |
Which type of light energy is effectively absorbed by CO2 in the lower boundary of the troposphere ? |
| A. | X - rays |
| B. | UV - rays |
| C. | Visible light |
| D. | Infra-red rays |
| Answer» E. | |