MCQOPTIONS
Saved Bookmarks
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.
| 1851. |
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 | |
| 1852. |
The flownet of activities of a project is shown in the given figure. The duration of the activities are written along the arrows. The critical path of the activities is along |
| A. | 1-2-4-5-7-8 |
| B. | 1-2-3-5-7-8 |
| C. | 1-2-3-6-7-8 |
| D. | 1-2-4-5-3-6-7-8 |
| Answer» C. 1-2-3-6-7-8 | |
| 1853. |
A cantilever truss with joints labelled as 1, 2, and 3 is shown in the given figure. It carries a - vertical load of 10 kN at joint 2. |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/43-857-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/43-857-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/43-857-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/43-857-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/43-857-4.png"> | |
| 1854. |
A short bar element of uniform cross-section is subjected to concentrated axial forces at its two ends. The longitudinal stress distribution on the cross-section is uniform at |
| A. | all sections |
| B. | the two ends only |
| C. | the mid-section only |
| D. | sections reasonably away from the two ends of the bar |
| Answer» B. the two ends only | |
| 1855. |
When power shovels are operated under different site conditions (in terms of material handled), what is the correct sequence in the increasing order of the ouput for the following materials ?1. Well - blasted rock2. Hard and tough clay3. Poorly blasted rock4. Moist loam or sandSelect the correct answer using the code given below : |
| A. | 1 - 2 - 3 - 4 |
| B. | 1 - 4 - 3 - 2 |
| C. | 4 - 2 - 3 - 1 |
| D. | 4 - 3 - 1 - 2 |
| Answer» D. 4 - 3 - 1 - 2 | |
| 1856. |
In a saturated clay layer undergoing consolidation with single drainage at its top, the pore water pressure would be the maximum at its |
| A. | top |
| B. | middle |
| C. | bottom |
| D. | top as well as the bottom |
| Answer» D. top as well as the bottom | |
| 1857. |
Which of the following are the criteria associated with the design of sag vertical curve ?1. Provision of minimum stopping distance during day time2. Adequate drainage3. Comfortable operation4. Pleasant appearanceSelect the correct answer using the codes given below: |
| A. | 1, 2 and 4 |
| B. | 2 and 3 |
| C. | 2, 3 and 4 |
| D. | 1 and 3 |
| Answer» D. 1 and 3 | |
| 1858. |
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. | |
| 1859. |
Which one of the following is the correct statement ?Refractory bricks resist: |
| A. | high temperature |
| B. | chemical action |
| C. | dampness |
| D. | all the above three |
| Answer» B. chemical action | |
| 1860. |
Which of the following statements is NOT correct ? |
| A. | Chlorides in potable water may be present from 300 ppm to 500 ppm. |
| B. | In order to be safe against pathogenic bacteria residual chlorine should remain between 0.05 ppm and 0.20 ppm. |
| C. | Presence of iron and maganese in excess of 0.3 ppm in dirinking water is objectionable. |
| D. | pH value for pure water is nearly 7. |
| Answer» B. In order to be safe against pathogenic bacteria residual chlorine should remain between 0.05 ppm and 0.20 ppm. | |
| 1861. |
The wall friction of the retaining wall: |
| A. | decreases active earth pressure but increases passive earth pressure |
| B. | decreases passive earth pressure but increases active earth pressure |
| C. | decreases both active and passive earth pressures |
| D. | increases both active and passive earth pressures |
| Answer» B. decreases passive earth pressure but increases active earth pressure | |
| 1862. |
Which one of the following is the best method for locating sounding to estimate the dredged material from the harbours ? |
| A. | Two angles from shore |
| B. | Two angles from boat |
| C. | One angle from shore and other from the boat |
| D. | Fixed intersecting ranges |
| Answer» D. Fixed intersecting ranges | |
| 1863. |
Consider the following statements :The salient features of a bar chart over network are that :1. It is simple to draw and easy to understand.2. It is unable to depict interdependence of activities.3. It clearly distinguishes between critical and non-critical activities.4. It is not possible to crash activities to get optimum and minimum duration of the project.Which of the following statements given above are correct ? |
| A. | 1, 2, 3 and 4 |
| B. | 2 and 3 |
| C. | 1, 2 and 4 |
| D. | 1, 3 and 4 |
| Answer» D. 1, 3 and 4 | |
| 1864. |
An open channel carrying super critical flow is provided with a smooth expansion along the direction of flow. When no other considerations interfere, then the water surface. |
| A. | before transition will rise |
| B. | after transition will rise |
| C. | before transition will drop |
| D. | after transition will drop |
| Answer» C. before transition will drop | |
| 1865. |
A clay sample has a void ratio of 0.50 in dry state and specific gravity of solids = 2.70. Its shrinkage limit will be |
| A. | 12% |
| B. | 13.5% |
| C. | 18.5% |
| D. | 22% |
| Answer» D. 22% | |
| 1866. |
A very tiny sphere is settling down in a viscous liquid at Reynolds number = 0.2. Its drag coefficient is equal to |
| A. | 320 |
| B. | 120 |
| C. | 80 |
| D. | 5 |
| Answer» C. 80 | |
| 1867. |
An ascending gradient of 1 in 100 meets a descending gradient of 1 in 50, The length of summit curve required to provide overtaking sight distance of 500 m will be |
| A. | 938 m |
| B. | 781m |
| C. | 470 m |
| D. | 170 m |
| Answer» C. 470 m | |
| 1868. |
A two-hinged semicircular arch of radius 'R' carries a concentrated load 'W' at the crown. The horizontal thrust is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/54-341-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/54-341-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/54-341-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/54-341-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/54-341-3.png"> | |
| 1869. |
The adjoining figures show funicular diagram and polar diagram for a beam subjected to vertical forces. x is the distance of the pole from the vector line. If x is doubled, then the ordinate in the funicular diagram will be |
| A. | doubled |
| B. | halved |
| C. | unaffected |
| D. | tripled |
| Answer» D. tripled | |
| 1870. |
If a 30 m length can be taped with a precision of 0.01 m, then the standard error of measuring 1.08 km with the same precision will be |
| A. | 0.54 m |
| B. | 0.45 m |
| C. | 0.36 m |
| D. | 0.06 m |
| Answer» E. | |
| 1871. |
Consider the following statements in respect of a thick cylinder subjected to internal pressure:1. The stress on an element on the outer wall is unidirectional2. The stresses on an element on the inner wall are principal stresses.3. The constants of the Lames equation are positive.Which of these statements are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 1872. |
Two shafts of same material and same length are connected in series and subjected to a torque 'T' as shown in the given figure. If , what is the value of the ratio ? (Where 1 and 2 are the extreme shear stresses in either of two segments) |
| A. | 4 |
| B. | 2 |
| C. | 8 |
| D. | 16 |
| Answer» D. 16 | |
| 1873. |
Which one of the following is the most critical rivet in the joint shown in the figure given? |
| A. | No. 1 |
| B. | No. 2 |
| C. | No. 3 |
| D. | No. 4 |
| Answer» D. No. 4 | |
| 1874. |
A good brick when immersed in water bath for 24 hours, should not absorb more than |
| A. | 20% of its dry weight |
| B. | 30% of its saturated weight |
| C. | 10% of its dry weight |
| D. | 20% of its saturated weight |
| Answer» B. 30% of its saturated weight | |
| 1875. |
Consider the following assumptions :1. The shearing stress in all the rivets is uniform2. The bearing stress is not uniform3. Bending of rivets can be neglectedThe assumptions made while designing a riveted joint would include |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» E. | |
| 1876. |
In a plastic analysis of structures, the segment between any two successive plastic hinges is assumed to deform as : |
| A. | A plastic material |
| B. | A rigid material |
| C. | An elastic material |
| D. | An inelastic material |
| Answer» C. An elastic material | |
| 1877. |
Surkhi is added to lime mortar to |
| A. | prevent shrinkage |
| B. | decrease setting time |
| C. | increase bulk |
| D. | impart hydraulicity. |
| Answer» B. decrease setting time | |
| 1878. |
For a sleeper density of (n + 5), the number of sleepers required for constructing a broad gauge (BG) railway track of length 650 m is |
| A. | 975 |
| B. | 918 |
| C. | 900 |
| D. | 880 |
| Answer» D. 880 | |
| 1879. |
Which of the following advantages accrue to the use of Articulate Dump Trucks (ADT) over Rigid Dump Trucks (RDT) for construction and earth moving work ?1. Higher manoeuverability2. Low turning radius.3. Lower fleet costs.Select the correct answer using the code given below : |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 1 and 3 |
| D. | 2 and 3 |
| Answer» C. 1 and 3 | |
| 1880. |
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. | |
| 1881. |
The beam shown in the given figure has a design bending moment value of |
| A. | 8 kNm |
| B. | 6 kNm |
| C. | 4 kNm |
| D. | 2 kNm |
| Answer» E. | |
| 1882. |
Consider the following statements :1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks. 2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.Which of these statements are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» B. 1 and 2 | |
| 1883. |
Length of line measured with a 20 m chain was found to be 634.4 m. If the chain was 5 cm too long, throughout the measurement, then the true length of the line is |
| A. | 635.990 m |
| B. | 635.986 m |
| C. | 632.818 m |
| D. | 632.814 m |
| Answer» C. 632.818 m | |
| 1884. |
What does the Williot-Morr diagram yield ? |
| A. | Forces in members of a truss |
| B. | Moments in a fixed beam |
| C. | Reactions at the supports |
| D. | Joint displacement of a pinjointed plane frame |
| Answer» E. | |
| 1885. |
The runway length after correcting for elevation and temperature is 2845 m. If the effective gradient on runway is 0.5 per cent, then the revised runway length will be |
| A. | 2845 m |
| B. | 2910 m |
| C. | 3030 m |
| D. | 3130 m |
| Answer» E. | |
| 1886. |
California Bearing Ratio (CBR) is a : |
| A. | measure of soil strength |
| B. | method of soil identification |
| C. | measure to indicate the relative strengths of paving materials |
| D. | measure of shear strength under lateral confinement |
| Answer» D. measure of shear strength under lateral confinement | |
| 1887. |
For a given stress, the ratio of the moment of resistance of a beam of square section when placed with one diagonal horizontal to the moment of resistance of the same beam when placed with two sides horizontal will be |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-593-3.png"> |
| B. | 2 |
| C. | 1.414 |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-601-4.png"> |
| Answer» E. | |
| 1888. |
A water jet 0.02 m2 in area has a velocity of 15 m/s. If the jet impinges normally on a plate which is moving at a velocity 5 m/s in the direction of the jet, what is the force on the plate due to this impact ? (Density = 1000 kg/m3) |
| A. | 200 N |
| B. | 2000 N |
| C. | 20000 N |
| D. | 4000 N |
| Answer» C. 20000 N | |
| 1889. |
A seamless pipe with 80 cm diameter carries a fluid under a pressure of 2 N/mm2. If the permissible tensile stress is 100 N/mm2, the minimum required thickness of the pipe is |
| A. | 2 mm |
| B. | 4 mm |
| C. | 8 mm |
| D. | 16 mm |
| Answer» D. 16 mm | |
| 1890. |
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 | |
| 1891. |
Consider the following factors :1. Provision of a suitable slope to the top of the sill.2. Proper throating of the sill to throw off the water outside.3. Giving a projection of not less than 50 mm to the sill.4. Providing damp-proof course below the sill to check the entry of moisture inside the main wall.Those considered while constructing a brick sill would include |
| A. | 1 and 2 |
| B. | 1, 3 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» B. 1, 3 and 4 | |
| 1892. |
Which of the following Pairs regarding explanations and the terminologies pertaining to masonry are correctly matched ?1. Reveal....projecting stone to serve as support for joist.2. Throating....groove provided on the underside of projecting elements likes sills.3. Gable....triangle shaped masonry works provided at the ends of sloped roof.4. Freeze....vertical sides of finished opening for doors and windows.Select the correct answer using the codes given below : |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 1 and 4 |
| Answer» C. 3 and 4 | |
| 1893. |
A steel rod of 16 irim diameter has been used as a tie in a bracing system, but may subject to possible reversal of stress due to the wind. What is the maximum permitted length of the member ? |
| A. | 1600 mm |
| B. | 1400 mm |
| C. | 1200 mm |
| D. | 1000 mm |
| Answer» C. 1200 mm | |
| 1894. |
The total number, of independent equations that form the Lacey's regime theory is |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» C. 4 | |
| 1895. |
The following methods are used for structural analysis :1. Macaulay method 2. Column analogy method3. Kani's method 4. Method of sectionsThose used for indeterminate structural analysis would include |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 2, 3 and 4 |
| Answer» D. 2, 3 and 4 | |
| 1896. |
A summit vertical curve is to be set joining + 2 percent grade with -3 percent grade. If the tangents interest at an elevation of 60 m and the rate of change of grade is - 1 percent per 100 m, then the elevation of the beginning point of the vertical curve will be |
| A. | 58.5 m |
| B. | 57.5 m |
| C. | 55.0 m |
| D. | 52.5 m |
| Answer» D. 52.5 m | |
| 1897. |
For an activity 201-207 in an AOA network, the EET values, LET values and activity duration are shown in the figure. Between free float, interference float and independent float, which one of the following is the correct sequence in the decreasing magnitude order ? |
| A. | Free float - Interference float - Independent float |
| B. | Free float - Independent float - Interference float |
| C. | Interference float - Free float - Independent float |
| D. | Interference float - Independent float - Free float |
| Answer» D. Interference float - Independent float - Free float | |
| 1898. |
Which one of the following statements is true to trickling filter sludge ? |
| A. | It has a comparatively low sludge volume index |
| B. | It is more difficult to dewater than activated sludge |
| C. | It has a comparatively low concentration of sludge solids |
| D. | It is bulky |
| Answer» B. It is more difficult to dewater than activated sludge | |
| 1899. |
In the case of a column of length 'l', moment of inertia of cross-section 'I' and Young's modulus of the material of the column 'E' being hinged at both ends, the buckling load, according to Euler's colum |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-606-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-606-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/01-606-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/01-606-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/01-606-4.png"> | |
| 1900. |
What is the correct sequence of the following steps in the graphical determination of stresses in the members of a loaded plane truss ?1. Vector diagram to determine the end reactions.2. Space diagram.3. Stress diagram.Select the correct answer using the codes given below : |
| A. | 1, 2, 3 |
| B. | 1, 3, 2 |
| C. | 2, 1, 3 |
| D. | 2, 3, 1 |
| Answer» B. 1, 3, 2 | |