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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.
| 2001. |
Two closed-coil springs of stiffness s and 2s are arranged in series in one case and in parallel in the other case. The ratio of stiffness of springs connected in series to parallel is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-349-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-349-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-349-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-349-4.png"> |
| Answer» E. | |
| 2002. |
When the bubble of a level tube was moved by 10 divisions, the change in staff intercept was 0.05 m. If the distance between the staff and the instrument was 100 m, then the senstitiveness of the bubble tube is given by |
| A. | 1.03 sec of arc |
| B. | 10.3 sec of arc |
| C. | 20.6 sec of arc |
| D. | 103 sec of arc |
| Answer» B. 10.3 sec of arc | |
| 2003. |
Lacustrine soils are soils |
| A. | transported by rivers and streams |
| B. | transported by glaciers |
| C. | deposited in sea beds |
| D. | deposited in lake beds |
| Answer» E. | |
| 2004. |
Self-cleansing velocity is |
| A. | the minimum velocity of flow required to maintain a certain amount of solids in the flow |
| B. | the maximum velocity of flow required to maintain a certain amount of solids in the flow |
| C. | such flow velocity as would be sufficient to flush out any deposited solids in the sewer |
| D. | such flpw velocity as would be sufficient to ensure the sewage does not remain in the sewer |
| Answer» D. such flpw velocity as would be sufficient to ensure the sewage does not remain in the sewer | |
| 2005. |
Consider the following oxides : 1. Al2O32. CaO3. SiO2The correct sequence in increasing order of their percentage in an ordinary portland cement is |
| A. | 2, 1, 3 |
| B. | 1, 3, 2 |
| C. | 3, 1, 2 |
| D. | 1, 2, 3 |
| Answer» C. 3, 1, 2 | |
| 2006. |
A 6 hour storm has 6 cm of rainfall and the resulting runoff was 3 cm. If = 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 | |
| 2007. |
Which of the following are the disadvantages of non-tilting type concrete mixers ?1. They are not favoured when large sized aggregates are used.2. Mixing of the concrete occurs through both rolling and pulling from buckets.3. Content of fines is increased.4. They are not easy to clean.Select the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 2, 3 and 4 |
| Answer» C. 1, 2 and 4 | |
| 2008. |
A round bar made of same material consists of 3 parts each of 100 mm length having diameters of 40 mm, 50 mm and 60 mm respectively. If the bar is subjected to an axial load of 10 kN, the total elongation of the bar would be (E is the modulus of elasticity in kN/mm2) |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-851-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-851-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-851-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/42-851-4.png"> |
| Answer» E. | |
| 2009. |
Which of the following factors have to be considered for the design of the flexible pavement for a highway ?1. Design wheel load2. Strength of pavement component material3. Expansion joints4. Climatic factorsSelect the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» E. | |
| 2010. |
For practically impervious type of soil, the coefficient of permeability is determined using |
| A. | variable head test |
| B. | constant head test |
| C. | consolidation test |
| D. | pumping test |
| Answer» B. constant head test | |
| 2011. |
The basic action involved in sheep foot rolling is |
| A. | Kneading |
| B. | Pressing |
| C. | Tamping |
| D. | Vibration |
| Answer» B. Pressing | |
| 2012. |
In a situation where torsion is dominant, which one of the following is the desirable section ? |
| A. | Angle section |
| B. | Channel section |
| C. | I-section |
| D. | Box type section |
| Answer» E. | |
| 2013. |
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 | |
| 2014. |
The effective length of the member shown in the given figure is equal to |
| A. | 1.2 L |
| B. | 1.5 L |
| C. | 2.0 L |
| D. | 3.0 L |
| Answer» D. 3.0 L | |
| 2015. |
A surface longitudinally centered on the extended runway centre line and extending outward and upward from each end of the primary surface is known as |
| A. | conical surface |
| B. | transition surface |
| C. | approach surface |
| D. | horizontal surface |
| Answer» D. horizontal surface | |
| 2016. |
A flownet for an earth dam on impervious foundation consists of 4 flow channels and 15 equipotential drops. The full reservoir level is 15 m above the downstream horizontal filter. Given that horizontal permeability is 9 x 10-6 m/s and vertical permeability is 1 x 10-6 m/s, the quantity of seepage through the dam will be |
| A. | 36 ml/s/m |
| B. | 25 ml/s/m |
| C. | 20 ml/s/m |
| D. | 15 ml/s/m |
| Answer» B. 25 ml/s/m | |
| 2017. |
Consider the following statements :1. Point of contraflexure is the point where the bending moment is maximum.2. Point of cantraflexure is the point where the bending moment changes sign.3. Point of contraflexure is the point where the shear force is zero.Which of these statements is/are correct ? |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 2 only |
| D. | 1 only |
| Answer» C. 2 only | |
| 2018. |
For sampling saturated sands and other soft and wet soils satisfactorily, the most suitable soil sampler is |
| A. | open drive thin-walled tube sampler |
| B. | standard split-spoon sampler |
| C. | stationary piston sampler |
| D. | rotary sampler |
| Answer» B. standard split-spoon sampler | |
| 2019. |
What is the significant purpose of monitoring a project through its implementation phase ? |
| A. | To fix responsibility for delays |
| B. | To revalue the project with control over cost over-run |
| C. | To revalue the project with minimum time over-run |
| D. | To revalue the project with optimal time and cost over-run |
| Answer» E. | |
| 2020. |
Lime stabilisation method is particularly suitably and has been found successful in stabilising |
| A. | clayey soil with expansive nature in water-logged areas |
| B. | sandy desertic area |
| C. | soils having liquid limit less than 30% |
| D. | wind-blown soil deposits |
| Answer» B. sandy desertic area | |
| 2021. |
The optimistic, most likely and pessimistic time estimates of an activity are 5, 10 and 21 days respectively. What are the expected time and standard deviation ? |
| A. | 12, 3 |
| B. | 11, 4 |
| C. | 11, |
| D. | 10, 16 |
| Answer» D. 10, 16 | |
| 2022. |
What is the minimum number of longitudinal bars provided in a reinforced concrete column of circular cross section? |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 2023. |
The odour of drying paint or varnish is derived from which of the following chemical compounds? |
| A. | Organic gases |
| B. | Volatile organic compounds |
| C. | Ethylene |
| D. | Acetylene |
| Answer» D. Acetylene | |
| 2024. |
D'Alembert's principle |
| A. | is based on the law of conservation of energy |
| B. | is based on the law of conservation of angular momentum |
| C. | provides no special advantage over Newton's law |
| D. | enables a dynamic problem to be treated akin to a problem of statics |
| Answer» E. | |
| 2025. |
Water present in an artesian aquifer is usually |
| A. | at sub atmospheric pressure |
| B. | at atmospheric pressure |
| C. | at 0.5 times of the atmospheric pressure |
| D. | above atmospheric pressure |
| Answer» E. | |
| 2026. |
Consider the following statements :Cement concrete is a/an :1. Elastic material.2. Visco-elastic material.3. Visco-plastic material.Which of the statements given above is/are correct ? |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 2 only |
| D. | 1 only |
| Answer» D. 1 only | |
| 2027. |
What is the shape of influence line diagram for the maximum bending moment in respect of a simply supported beam ? |
| A. | Rectangular |
| B. | Triangular |
| C. | Parabolic |
| D. | Circular |
| Answer» D. Circular | |
| 2028. |
Consider the following statements about a hydraulic ram :1. Hydraulic ram does not need external power. 2. It works on the fundamental principle of water hammer.3. The efficiency of a hydraulic ram is only of the order of 8 to 10%.4. It can be termed as a low, intermittent discharge low-head pumping installation. Which of these statements are correct ? |
| A. | 2 and 3 |
| B. | 1, 2, 3 and 4 |
| C. | 1 and 2 |
| D. | 1 and 3 |
| Answer» D. 1 and 3 | |
| 2029. |
Which of the following are the purposes of a groyne as a river training structure ?1. It contracts a river channel to improve its depth.2. It protects the river bank.3. It does not allow silt to deposit in the vicinity.4. It trains the flow along a certain course.Select the correct answer using the code given below : |
| A. | 1 and 2 |
| B. | 1, 2 and 3 |
| C. | 1 and 3 |
| D. | 2, 3 and 4 |
| Answer» E. | |
| 2030. |
Stresses obtained from Boussinesq's theory are considered reasonably satisfactory in foundation engineering because: |
| A. | they represent stress distribution in homogeneous soil below loaded area |
| B. | they account for anisotropy of soil properly |
| C. | they give due regard to plastic behaviour of soils, particularly of settlement analysis |
| D. | they consider elastic soil medium, and the intensity of allowable stresses below foundations in most cases are quit small and justify elastic solutions |
| Answer» E. | |
| 2031. |
A septic tank of 7 m3 in volume serves for 5 people. If the rate of accumulation of sludge is 70 litres per capita per year and sludge is removed when it occupies 50% of its volume, what is the cleaning interval of septic tank ? |
| A. | 3 years |
| B. | 5 years |
| C. | 7.5 years |
| D. | 10 years |
| Answer» E. | |
| 2032. |
Sheep-foot rollers are recommended for compacting |
| A. | granular soils |
| B. | cohesive soils |
| C. | hard rock |
| D. | any type of soil |
| Answer» C. hard rock | |
| 2033. |
The given figure shows the section of a wooden beam stiffened with two steel plates each of thickness 't' securely fixed to the sides. The second moment of area of the flitched beam about the X-X axis is (given: d = overall depth of the beam, b = width of the wooden section and m = modular ratio of the moduli of elasticity of steel and wood) |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-605-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-605-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-605-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/100-605-4.png"> |
| Answer» E. | |
| 2034. |
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 | |
| 2035. |
A fixed beam and a simply supported beam having same span and develop same maximum bending moment due to uniformly distributed load on entire span. What is the ratio of uniformly distributed load on fixed beam to that on simply supported beam ? |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 3 |
| Answer» E. | |
| 2036. |
Which one of the following method is employed to manufacture pre-stressed concrete sleepers for the railways ? |
| A. | Post-tensioning |
| B. | Pre-tensioning |
| C. | Pre-tensioning followed by post-tensioning |
| D. | Partial pre-stressing |
| Answer» C. Pre-tensioning followed by post-tensioning | |
| 2037. |
Which one of the following is the angular distance between the observer's meridian and the vertical circle passing through a star measured along the celestial horizon ? |
| A. | Right ascension |
| B. | Azimuth |
| C. | Declination |
| D. | Hour angle |
| Answer» E. | |
| 2038. |
A hollow cylinder made of wood (sp. gr. = 0.8) has an external diameter of 1.0 m and an interal diameter of 0.6 m. It floats in water with its axis vertical and is in stable equilibrium. This is possible only when the length of the cylinder is equal to or less than |
| A. | 0.72 m |
| B. | 0.95 m |
| C. | 1.03 m |
| D. | 1.20 m |
| Answer» D. 1.20 m | |
| 2039. |
What is the time by which the completion of an activity can be delayed without affecting the start of succeeding activities, called ? |
| A. | Total float |
| B. | Interfering float |
| C. | Independent float |
| D. | Free float |
| Answer» E. | |
| 2040. |
Assuming the safe stopping sight distance to be 80 m on a flat highway section and with a setback distance of 10 m, what would be the radius of the negotiable horizontal curve ? |
| A. | 800 m |
| B. | 160 m |
| C. | 80 m |
| D. | 70 m |
| Answer» D. 70 m | |
| 2041. |
A train starts from rest on a curved track of radius 800 m. Its speed increases uniformly and after 3 minutes it is 72 km/hr. Its normal acceleration after 2 minutes is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-33-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-33-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-33-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/08-33-4.png"> |
| Answer» E. | |
| 2042. |
In a fillet weld the weakest section is the |
| A. | smaller side of the fillet |
| B. | throat of the fillet |
| C. | side perpendicular to force |
| D. | side parallel to force |
| Answer» C. side perpendicular to force | |
| 2043. |
Which one of the following is the correct statement ?Smaller size of aggregates in a concrete mix : |
| A. | provides larger surface area for bonding with the mortar matrix which increases the compressive strength and reduces the stress concentration at the mortar-aggregate interface |
| B. | is economical as the concrete mix is more dense |
| C. | requires lesser cement for a particular water-cement ratio and hence is economical |
| D. | is beneficial as these aggregates can pass through the reinforcement bars more easily |
| Answer» B. is economical as the concrete mix is more dense | |
| 2044. |
The magnitude of acceleration is given by the |
| A. | slope of distance-time curve |
| B. | length of velocity-time curve |
| C. | slope of velocity-time curve |
| D. | length of distance-time curve |
| Answer» B. length of velocity-time curve | |
| 2045. |
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» B. 1 and 3 | |
| 2046. |
A 100 m tape is held 1 m out of line. The true length is |
| A. | 100.0050 m |
| B. | 99.9950 m |
| C. | 100.0100 m |
| D. | 99.9800 m |
| Answer» C. 100.0100 m | |
| 2047. |
Which one of the following types of settling phenomenon can be analysed by the classic sedimentation laws of Newton and Stokes ? |
| A. | Discrete settling |
| B. | Flocculent settling |
| C. | Hindered settling |
| D. | Compression settling |
| Answer» B. Flocculent settling | |
| 2048. |
Window sills in residential houses are normally kept at |
| A. | 83 to 90 cm above the floor level |
| B. | 80 to 90 cm above the floor level |
| C. | 78 to 88 cm above the floor level |
| D. | 75 to 85 cm above the floor level |
| Answer» E. | |
| 2049. |
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. | |
| 2050. |
While designing the superelevation of a highway, its maximum value is fixed considering the need to |
| A. | avoid toppling of slow moving vehicles in mixed traffic flow |
| B. | avoid transverse skidding |
| C. | provide drainage |
| D. | counteract centrifugal force due to 75% of design speed |
| Answer» E. | |