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.
| 1651. |
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 | |
| 1652. |
Which one of the following equations correctly gives the relationship between the specific graivity of soil grains (G) and the hydraulic gradient (i) to initiate 'quick' condition in a sand having a void ratio of 0.5 ? |
| A. | G = 0.5 i + 1 |
| B. | G = i + 0.5 |
| C. | G = 1.5 i + 1 |
| D. | G = 1.5 i - 1 |
| Answer» D. G = 1.5 i - 1 | |
| 1653. |
Consider the following statements :Soft varieties of pig iron are also known as1. foundry pig 2. grey pig3. forge pig4. mottled pig.Of these statements : |
| A. | 1, 2, 3 and 4 are correct |
| B. | 1 alone is correct |
| C. | 1 and 2 are correct |
| D. | 3 and 4 are correct |
| Answer» B. 1 alone is correct | |
| 1654. |
Following data refer to precise measurement of an angle A on the field : (i) 2A = 20°10' - weight 2 (ii) 4A = 40°10' - weight 3What is the most probable value of angle A ? |
| A. | 10°01'06" |
| B. | 10°02'07" |
| C. | 10°02'51" |
| D. | 10°22'51" |
| Answer» D. 10¬∞22'51" | |
| 1655. |
Which of the following pollutants is responsible for depletion of ozone layer ? |
| A. | Unburnt hydrocarbon |
| B. | UV rays |
| C. | Chlorofluoro carbons |
| D. | Oxides of nitrogen |
| Answer» D. Oxides of nitrogen | |
| 1656. |
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 | |
| 1657. |
A 3000 m long line lying at an elevation of 450 m measures 10 cm on a vertical photograph.The focal length of the camera is 21 cm. The scale of the photograph for the area having an elevation of 1000 m will be |
| A. | 1 : 27381 |
| B. | 1 : 25008 |
| C. | 1 : 20606 |
| D. | 1 : 30421 |
| Answer» B. 1 : 25008 | |
| 1658. |
In case of footing on the surface of shallow depth is very dense sand, which one of the following types of failure is likely to occur? |
| A. | Punching shear failure |
| B. | Local shear failure |
| C. | General shear failure |
| D. | Any of the above three |
| Answer» D. Any of the above three | |
| 1659. |
A clay soil specimen when tested in unconfined condition gave an unconfined compressive strength of 100 kN/m2. A specimen of the same clay with the same initial condition is subjected to a UU triaxial test under a cell pressure of 100 kN/m2. The axial stress (in kN/m2) at failure would be |
| A. | 150 |
| B. | 200 |
| C. | 250 |
| D. | 300 |
| Answer» C. 250 | |
| 1660. |
A clay layer, 5 m thick undergoes 50% consolidation in 5 years when subjected to an average pressure increase of 50 kN/m2. If the clay layer were 10 m thick, in what period would it undergo 50% consolidation for the same pressure ? |
| A. | 10 years |
| B. | 2.5 years |
| C. | 25 years |
| D. | 20 years |
| Answer» E. | |
| 1661. |
Which one of the following is the most preferred wood for high quality and durable furniture ? |
| A. | Sandalwood |
| B. | Deodar wood |
| C. | Teakwood |
| D. | Shisham wood |
| Answer» D. Shisham wood | |
| 1662. |
A perfect plane frame having n number of members and j number of joints should satisfy the relation |
| A. | n < (2j - 3) |
| B. | n = (2j - 3) |
| C. | n > (2j - 3) |
| D. | n = (3 - 2j) |
| Answer» C. n > (2j - 3) | |
| 1663. |
Due to horizontal pull of 60 kN at C, what is the force induced in the member AB? |
| A. | 0 |
| B. | 40 kN |
| C. | 80 kN |
| D. | 100 kN |
| Answer» E. | |
| 1664. |
Non-collodial liguids are : |
| A. | Newtonian fluids |
| B. | Plastic fluids |
| C. | ideal fluids |
| D. | dilatant fluids |
| Answer» D. dilatant fluids | |
| 1665. |
A pin-jointed truss is loaded as shown in the given figure. The force in member CE is |
| A. | 10 tonnes tensile |
| B. | 10 tonnes compressive |
| C. | 5 tonnes tensile |
| D. | 5 tonnes compressive |
| Answer» C. 5 tonnes tensile | |
| 1666. |
The 'Euler' load for a column is 1000 kN and crushing load is 1500 kN. The 'Rankine' load is equal to |
| A. | 600 kN |
| B. | 1000 kN |
| C. | 1500 kN |
| D. | 2500 kN |
| Answer» B. 1000 kN | |
| 1667. |
The depreciation charges for a machine are thirty paise per working hour. The machine has a scrap value of Rs 2, 000 and a working hour average life of 24000 hours. What is the purchase price of the machine ? |
| A. | Rs. 1, 800 |
| B. | Rs. 7, 200 |
| C. | Rs. 9, 200 |
| D. | Rs. 14, 275 |
| Answer» D. Rs. 14, 275 | |
| 1668. |
Which one of the following pairs is not correctly matched ? |
| A. | Check valve - To check water flow in all directions |
| B. | Sluice valve - To control flow of water through pipe lines |
| C. | Air valve - To release the accumulated air |
| D. | Scour valve - To remove silt in a pipe line |
| Answer» C. Air valve - To release the accumulated air | |
| 1669. |
A bar AB, 4 cm is diameter and 4 m long is rigidly fixed at its ends. A torque of 12000 kg/cm is applied at a section of the bar, one metre from end A. The fixing coupled TA and TB (in kg. cm) at the supports A and B will be respectively |
| A. | 9000, 6000 |
| B. | 3000, 9000 |
| C. | 6000, 9000 |
| D. | 9000, 3000 |
| Answer» E. | |
| 1670. |
A reinforced concrete beam is designed for the limit states of collapse in flexure a shear. Which of the following limit states of serviceability have to be checked ? 1. Deflection 2. Cracking 3. Durability Select the correct answer using the codes given below : |
| A. | 1 alone |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 1671. |
If the line of sight between two stations A and B, on sea, and 80 km apart, makes tangent at point A, then the minimum elevation of the signal required at B (considering the coefficient of refraction "m" = 0.08 and the mean radius of earth as 6400 km) will be |
| A. | 42 m |
| B. | 210 m |
| C. | 420 m |
| D. | 840 m |
| Answer» D. 840 m | |
| 1672. |
A footing is resting on a fully saturated clayey strata. For checking the initial stability, shear parameters are used from which one of the following ? |
| A. | Consolidated non-drained test |
| B. | Unconsolidated drained test |
| C. | Unconsolidated non-drained test |
| D. | Unconsolidated non-drained test with pore pressure measurement |
| Answer» D. Unconsolidated non-drained test with pore pressure measurement | |
| 1673. |
In order to find the resultant of a system of coplanar parallel system of forces, the correct sequence of the graphical procedure to be followed is |
| A. | force diagram, space diagram, funicular polygon and polar diagram |
| B. | funicular polygon, force diagram, space diagram and polar diagram |
| C. | space diagram, force diagram, polar diagram and funicular polygon |
| D. | space diagram, funicular polygon, force diagram and polar diagram. |
| Answer» D. space diagram, funicular polygon, force diagram and polar diagram. | |
| 1674. |
Based on the Gaussian law of distribution of random errors, the number of errors that are expected to exceed the limit of ± a, where 0 represents the standard deviation, out of 1000 observations is |
| A. | 317 |
| B. | 46 |
| C. | 30 |
| D. | 3 |
| Answer» B. 46 | |
| 1675. |
What are the values of tolerable CO concentration in residential area, for continuous exposure durations of 1 hour and 8 hours, respectively ? |
| A. | 4 and 2 mg / m3 |
| B. | 1 and 2 mg / m3 |
| C. | 4 and 6 mg / m3 |
| D. | 5 and 1 mg / m3 |
| Answer» B. 1 and 2 mg / m3 | |
| 1676. |
The given figure shows the arrow diagram for a particular project. The arrow 'A' is known as |
| A. | critical activity |
| B. | sub-critical activity |
| C. | logic arrow |
| D. | dummy activity |
| Answer» D. dummy activity | |
| 1677. |
At a Tee-Junction between a lVa brick wall and a 1 brick wall, one uses a |
| A. | half-queen closer in each course |
| B. | half-queen closer in every alternate course |
| C. | three-quarter bat in each course |
| D. | half-bat in every alternate course |
| Answer» C. three-quarter bat in each course | |
| 1678. |
Which of the following factors are associated with the behaviour of sand mass during earthquake to cause liquefaction ?1. Number of stress cycles2. The frequency, and amplitude of vibration of waves generated by an earthquake3. Characteristics of sand4. Relative densitySelect the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1, 2, 3 and 4 |
| C. | 2 and 4 |
| D. | 3 and 4 |
| Answer» C. 2 and 4 | |
| 1679. |
The moment of inertia of a square cross-section of side 'b' about its diagonal is |
| A. | b4/3 |
| B. | b4/6 |
| C. | b4/8 |
| D. | b4/12 |
| Answer» E. | |
| 1680. |
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. | |
| 1681. |
Given figure shows a retaining wall of base width B1 and height H1 The sp. gravity of the material of construction is S. Further AB = BC = CD = When the depth of storage increases from 0 to H1, the resultant force will move from |
| A. | A to B |
| B. | B to C |
| C. | C to D |
| D. | B to D |
| Answer» C. C to D | |
| 1682. |
The saturated and dry densities of a soil are respectively 2000 kg/m3 and 1500 kg/m3. The water content (in percentage) of the soil in the saturated state would be |
| A. | 25 |
| B. | 33.33 |
| C. | 50 |
| D. | 66.66 |
| Answer» C. 50 | |
| 1683. |
A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal to (φ in the deflection angle between the initial and final tangents) |
| A. | φ/2 |
| B. | φ/4 |
| C. | φ/6 |
| D. | φ |
| Answer» D. œÜ | |
| 1684. |
For designing end bearing piles of square cross-section in clays having average unconfmed compressive strength of 6 t/m2, the net ultimate bearing capacity may be taken as |
| A. | 15 t/m2 |
| B. | 18 t/m2 |
| C. | 20 t/m2 |
| D. | 27 t/m2 |
| Answer» C. 20 t/m2 | |
| 1685. |
A dry soil has a mass specific gravity of 1.35. If the specific gravity of solids is 2.7, then the void ratio will be |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 2 |
| Answer» C. 1.5 | |
| 1686. |
The graphical condition for equilibrium of concurrent forces is that |
| A. | both the force polygon and the funicular polygon must be closed figures |
| B. | funicular polygon should be a closed figure |
| C. | force polygon need not be a closed figure |
| D. | force polygon should be a closed figure |
| Answer» B. funicular polygon should be a closed figure | |
| 1687. |
The ratio of total elongation of a bar of uniform cross-section produced under its own weight to the elongation produced by an external load equal to the weight of the bar is |
| A. | 2 |
| B. | 1 |
| C. | 43497 |
| D. | 43556 |
| Answer» D. 43556 | |
| 1688. |
If the efficiencies of BOD removal of first-stage and second-stage trickling filters are each 65.0%, then what is the overall BOD removal efficiency of these filters ? |
| A. | 0.65 |
| B. | 0.7725 |
| C. | 0.8775 |
| D. | 0.926 |
| Answer» C. 0.8775 | |
| 1689. |
The coordinates of two end-points A and B traverse line AB are XA = 1000.00 m, YA = 1000.00 m XB = 2000.00 m, YB = 1000.00 m The bearing of the line AB will be |
| A. | 0°0'00" |
| B. | 60°0'00" |
| C. | 90°0'00" |
| D. | 180°0'00" |
| Answer» D. 180¬∞0'00" | |
| 1690. |
In the schematic flownet shown in the given figure the hydraulic potential at point A is |
| A. | 5 m of water |
| B. | 12 m of water |
| C. | 15 m of water |
| D. | 25 m of water |
| Answer» C. 15 m of water | |
| 1691. |
A fixed beam is subjected to ment M0 as shown in the figure. The fixed end moments will be : |
| A. | zero |
| B. | M0 |
| C. | M0/2 |
| D. | 2M0 |
| Answer» D. 2M0 | |
| 1692. |
Undrained strength of a clay soil can be obtained by conducting which of the following tests ?1. UC test2. Vane sheer test3. Cyclic triaxial test4. Slow direct sheer testSelect the correct answer using the code given below : |
| A. | 1 and 2 only |
| B. | 2 only |
| C. | 1 and 4 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 1693. |
What does the wind Rose Diagram (WRD) for orientation of airport runway give ? |
| A. | Direction of wind |
| B. | Direction and duration of wind |
| C. | Direction, duration and intensity of wind |
| D. | None of the above |
| Answer» B. Direction and duration of wind | |
| 1694. |
Which one of the following statements is correct ?The portal method of structural analysis is generally suitable for |
| A. | tall buildings |
| B. | low-rise buildings |
| C. | low-rise buildings with uniform framing |
| D. | low-rise buildings with non-uniform framing. |
| Answer» E. | |
| 1695. |
Which one of the following statements is correct ? Lug angles: |
| A. | are necessarily unequal angles |
| B. | are always equal angles |
| C. | increase the shear resistance of joint |
| D. | reduce the length of joint |
| Answer» E. | |
| 1696. |
What is the magnitude of the resultant of parallel force system as shown in the figure ? |
| A. | 70 kNm |
| B. | zero |
| C. | 70 KNm couple anti clock wise |
| D. | 90 KN veritical force and a moment of 70 kNm clock wise. |
| Answer» D. 90 KN veritical force and a moment of 70 kNm clock wise. | |
| 1697. |
The Chezy's coefficient C is related to Darcy-Weisbach friction factor f as |
| A. | C = (g/8f) |
| B. | C = (6g/f) |
| C. | C = (8g/f) |
| D. | C = (f/8g) |
| Answer» D. C = (f/8g) | |
| 1698. |
Creep of a material is a property indicated by |
| A. | a time-dependent strain of the material |
| B. | elongation of the material due to changes in the material properties |
| C. | shortening caused by shrinkage of the member |
| D. | the decrease in the volume of the material affected by the weather conditions |
| Answer» B. elongation of the material due to changes in the material properties | |
| 1699. |
A river model is constructed to a horizontal scale of 1:1000 and a vertical scale of 1:100. A model discharge in the prototype, of what magnitude ? |
| A. | 102 m3 /s |
| B. | 103 m3 /s |
| C. | 104 m3 /s |
| D. | 105 m3 /s |
| Answer» E. | |
| 1700. |
If the mean temperature of Sun's surface 6000 K and λm of its radiation is 0.5 what is the mean temperature of earth surface for which λm is 10.0 μm, according to Wien's Displacement Law in Remote Seniror Concept ? |
| A. | 25 °C |
| B. | 28 °C |
| C. | 27 °C |
| D. | 30 °C |
| Answer» D. 30 ¬∞C | |