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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.
| 1751. |
The best design of an arch dam is when |
| A. | all horizontal water loads are transferred horizontally to the abutments |
| B. | the dam is safe against sliding at various levels |
| C. | the load is divided between the arches and cantilevers and the deflections at the conjugal points being equal |
| D. | the deflections of the cantilevers are equal at different points |
| Answer» D. the deflections of the cantilevers are equal at different points | |
| 1752. |
Which one of the following systems of pre-stressing is suitable for pre-tensioned members ? |
| A. | Freyssinet system |
| B. | Magnel-Blaton system |
| C. | Hoyer system |
| D. | Gifford-Udall system |
| Answer» D. Gifford-Udall system | |
| 1753. |
Consider the following statements :1. In a member subjected to uniaxial tensile force the maximum normal stress is the external load divided by the maximum cross-sectional area.2. When the structural member is subjected to uniaxial loading, the shear stress is zero on a plane where the normal stress is maximum.3. In a member subjected to uniaxial loading, the normal stress on the planes of maximum shear stress is less than the maximum.Of these statements : |
| A. | 1 and 2 are correct |
| B. | 1 and 3 are correct |
| C. | 2 and 3 are correct |
| D. | 1, 2 and 3 are correct |
| Answer» B. 1 and 3 are correct | |
| 1754. |
A ball of mass 1 kg moving with a velocity 2 m/s collides directly with a m2 stationary ball of mass 2 kg. If the first ball comes to rest after the impact, what is the velocity of the second ball after impact ? |
| A. | 1.0 m/s |
| B. | zero |
| C. | 2 m/s |
| D. | 0.5 m/s |
| Answer» B. zero | |
| 1755. |
Consider the following statements relating to hydraulic gradient line and energy gradient line1. In the case of a fluid flowing in a pipeline, hydraulic gradient line and energy gradient line may coincide.2. The line joining the points representing piezometric heads is known as hydraulic gradient line.3. In the case of ideal fluid, energy gradient line is always horizontal.4. Hydraulic gradient line has a downward slope in the case of flow through pipes.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 2 and 4 are correct |
| Answer» D. 1, 2 and 4 are correct | |
| 1756. |
The map projection in which the angle between any pair of short lines is represented correctly is called |
| A. | conformal projection |
| B. | equidistant projection |
| C. | azimuthal projection |
| D. | equal area projection |
| Answer» B. equidistant projection | |
| 1757. |
Consider the following statements regarding a simply supported beam subjected to a uniformly distributed load over the entire span :1. The bending moment is maximum at the central position.2. The shear force is zero at the central position.3. The slope is maximum at the middle position.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 2 are correct |
| C. | 2 and 3 are correct |
| D. | 1 and 3 are correct |
| Answer» C. 2 and 3 are correct | |
| 1758. |
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 | |
| 1759. |
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 | |
| 1760. |
The axial load which just produces the condition of elastic instability in a column is |
| A. | Rankine load |
| B. | Euler load |
| C. | Yield load |
| D. | Crushing load |
| Answer» B. Euler load | |
| 1761. |
A cantilever beam of T cross-section carries uniformly distributed load. Where does the maximum magnitude of the bending stress occur ? |
| A. | At the top of cross-section |
| B. | At the junction of flange and web |
| C. | At the mid-depth point |
| D. | At the bottom of the section |
| Answer» E. | |
| 1762. |
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 | |
| 1763. |
Non-disposal of solid waste may cause the spread of |
| A. | malaria |
| B. | rodents related plague |
| C. | typhoid |
| D. | dysentery |
| Answer» C. typhoid | |
| 1764. |
For the motion represented by the graph shown in the given figure, the numerical value of velocity , when acceleration will be |
| A. | 1 m/sec |
| B. | 2 m/sec |
| C. | 3 m/sec |
| D. | 4 m/sec |
| Answer» B. 2 m/sec | |
| 1765. |
Which one of the following is the correct statement ? A heterotroph is an organism that obtains |
| A. | its cell carbon from an inorganic source. |
| B. | its energy from the oxidation of simple inorganic compounds. |
| C. | its cell carbon as well as its energy from organic matter. |
| D. | its energy from a natural ecosystem. |
| Answer» D. its energy from a natural ecosystem. | |
| 1766. |
For carrying out bituminous patch work during the rainy season, the most suitable binder is |
| A. | road tar |
| B. | hot bitumen |
| C. | cutback bitumen |
| D. | bituminous emulsion |
| Answer» E. | |
| 1767. |
Which one of the following related to domestic potable water quality is correct? |
| A. | Turbidity (on Silica scale) is 15-20 ppm or mg/lit. |
| B. | Colour (on Cobalt scale) is 15-25 ppm or mg/lit. |
| C. | Hardness (expressed as Ca CO3 equivalent) is 75-115 ppm or mg/lit |
| D. | BOD is 20 ppm or mg/lit |
| Answer» D. BOD is 20 ppm or mg/lit | |
| 1768. |
In a three-layered soil, water flows parallel to stratification. The thickness of the middle layer is twice that of top and bottom layer. The coefficient of permeability of middle layer (2K) is twice that of top and bottom layer (K). What is the average coefficient of permeability for this flow ? |
| A. | K |
| B. | 1.33 K |
| C. | 1.5 K |
| D. | 0.66 K |
| Answer» D. 0.66 K | |
| 1769. |
A ship is berthed in a chamber and lifted by principles of buoyancy. Such a chmber is called |
| A. | Dry dock |
| B. | Web dock |
| C. | Floating dock |
| D. | Refuge dock |
| Answer» D. Refuge dock | |
| 1770. |
Which one of the following is a method of extending the length of record for a frequency curve at a station ? |
| A. | Double Mass Curve method |
| B. | The Station Year method |
| C. | Thiessen method |
| D. | Isohyetal method |
| Answer» C. Thiessen method | |
| 1771. |
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 | |
| 1772. |
Where should splices in the columns be provided ? |
| A. | At the floor levels |
| B. | At the mid height of columns |
| C. | At the beam-column joints |
| D. | At one-fourth height of columns |
| Answer» E. | |
| 1773. |
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 | |
| 1774. |
In a circular sewer of diameter D, if the depth of flow is D/4, what is the wetted perimeter equal to ? |
| A. | πD/4 |
| B. | πD/2 |
| C. | πD/3 |
| D. | 2πD/3 |
| Answer» D. 2œÄD/3 | |
| 1775. |
The defect which develops due to uncontrolled and non-uniform loss of moisture from wood is known as which one of the following ? |
| A. | Kont |
| B. | Shake |
| C. | Warping |
| D. | Cross grain |
| Answer» D. Cross grain | |
| 1776. |
Which one of the following is not essential to derive the formula used in constructing a synthetic unit hydrograph ? |
| A. | Time to peak |
| B. | peakflow |
| C. | Inter flow |
| D. | Time lease |
| Answer» D. Time lease | |
| 1777. |
A beam of uniform strength refers which one of the following ? |
| A. | A beam in which extreme fibre stresses are same at all cross-sections along the length of the beam. |
| B. | A beam in which the moment of inertia about the axis of bending is constant at all cross-sections of the beam. |
| C. | A beam in which the distribution of bending stress across the depth of cross-section is uniform of all cross-sections of the beam. |
| D. | A beam in which the bending stress is uniform at the maximum bending moment cross-section. |
| Answer» B. A beam in which the moment of inertia about the axis of bending is constant at all cross-sections of the beam. | |
| 1778. |
If 'A' is the angle formed by two gauge faces, the crossing number will be |
| A. | tan A |
| B. | cot A |
| C. | sec A |
| D. | A rad |
| Answer» C. sec A | |
| 1779. |
A steel rod, 100 mm long is held between two rigid supports. It is heated by 20°C. If the coefficient of thermal expansion of the material of the rod is 15 x 10-6 /° C and modulus of elasticity is 200 x 103 MN/m2, what is the stress in the rod ? |
| A. | 20 MN/m2 |
| B. | 40 MN/m2 |
| C. | 60 MN/m2 |
| D. | 80 MN/m2 |
| Answer» D. 80 MN/m2 | |
| 1780. |
Which one of the following methods is generally considered the best for tunnel ventilation ? |
| A. | Driving a drift through the tunnel |
| B. | 'Blow in' method |
| C. | 'Blow out' method |
| D. | Combination of 'Blow in' and 'Blow out' methods |
| Answer» E. | |
| 1781. |
What is the effective height of a free-standing masonry wall for the purpose of computing slenderness ratio ? |
| A. | 0.5 L |
| B. | 1.0 L |
| C. | 2.0 L |
| D. | 2.5 L |
| Answer» D. 2.5 L | |
| 1782. |
The distribution system configuration shown in the following figure is called |
| A. | dead end system |
| B. | grid iron system |
| C. | radial system |
| D. | ring system |
| Answer» B. grid iron system | |
| 1783. |
A clay layer 3 m deep is sandwiched by a pervious material. The soil reaches 90% consolidation in 3 years. At another site, the same clay layer is bounded by impervious boundary at the bottom and sand at the top. What is the time taken by this layer to reach 90% settlement ? |
| A. | 9 years |
| B. | 12 years |
| C. | 15 years |
| D. | 21 years |
| Answer» C. 15 years | |
| 1784. |
Consider for following statements :In an under-reinforced concrete beam, 1. actual depth of neutral axis is less than the critical depth of neutral axis.2. concrete reaches ultimate stress prior to steel reaching the ultimate stress.3. moment of resistance is less than that of balanced sections.4. lever arm of resisting couple is less than that of balanced sections.Which of the statements given above are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2, 3 and 4 |
| D. | 1 and 4 |
| Answer» C. 2, 3 and 4 | |
| 1785. |
A pin-jointed tower truss is loaded as shown in the given figure. The force induced in the member DF is |
| A. | 1.5 kN (tension) |
| B. | 4.5 kN (tension) |
| C. | 1.5 kN (compression) |
| D. | 4.5 kN (compression) |
| Answer» B. 4.5 kN (tension) | |
| 1786. |
Consider the following statements : Kiln seasoning of timber results is :1. reduced density.2. reduced life.3. dimensional stability.Which of the following given above is/are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 only |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» E. | |
| 1787. |
The performance of a well is measured by its |
| A. | Specific capacity |
| B. | Specific yield |
| C. | Storage coefficient |
| D. | Permeability coefficient |
| Answer» B. Specific yield | |
| 1788. |
A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is |
| A. | 12 mm diameter |
| B. | 10 mm diameter |
| C. | 8 mm diameter |
| D. | 6 mm diameter |
| Answer» D. 6 mm diameter | |
| 1789. |
BOD is preferred to COD as an index of sewage concentration because |
| A. | BOD represents both carbonaceous and nitrogenous organic matter while COD may indicate carbonaceous matter only |
| B. | BOD test is easier to perform and gives more reliable result |
| C. | BOD relates specifically to putrescible organic matter which is the most objectionable sewage constituent |
| D. | COD relates to the impurities which can only removed by chemical treatment which is expensive |
| Answer» C. BOD relates specifically to putrescible organic matter which is the most objectionable sewage constituent | |
| 1790. |
Gross flange area for a riveted plate girder is to be designed considering net area as 80% of its gross area. Consider width of the flange as 500 mm while web plate as 1000 mm x 12 mm. The girder is to resist a maxi-mum BM of 4500 kNm. Maximum allowable bending stress in tension is 150 MPa. Gross flange area is |
| A. | 22000 mm2 |
| B. | 35500 mm2 |
| C. | 46000 mm2 |
| D. | 73000 mm2 |
| Answer» C. 46000 mm2 | |
| 1791. |
Cohesion is 15 kN/m2, the unit weight of soil is 20 kN/m3, the factor of safety is 1.5 and stability number is 0.05; the safe maximum height of the slope is |
| A. | 5.0 m |
| B. | 8.0 m |
| C. | 10.0 m |
| D. | 12.0 m |
| Answer» D. 12.0 m | |
| 1792. |
Which of the following are the fundamental lines of a theodolite ?1. The vertical and horizontal axes2. The diagonally opposite screw lines3. The line of collimation and axes of the plate levels4. The bubble line of the altitude level.Select the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 2 and 3 |
| D. | 1, 3 and 4 |
| Answer» E. | |
| 1793. |
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 | |
| 1794. |
Consider the following statements :Wind rose diagram is used for the purpose of1. runway orientation.2. estimating the runway capacity3. geometric design of holding apron.Of these statements : |
| A. | 1 and 2 are correct |
| B. | 2 and 3 are correct |
| C. | 1 and 3 are correct |
| D. | 1 alone is correct |
| Answer» E. | |
| 1795. |
Which of the following assumptions are made in the analysis of jet impinging normally on a moving plate?1. Friction between jet and plate is neglected2. Flow is steady3. Momentum of jet is unchanged4. Plate moves at a constant velocityChoose the correct answer using the codes given below : |
| A. | 1, 2 and 4 |
| B. | 1, 2 and 3 |
| C. | 2, 3 and 4 |
| D. | 1, 3 and 4 |
| Answer» D. 1, 3 and 4 | |
| 1796. |
If the time required for 60% consolidation of a remoulded soil sample of clay with single drainage is t, then what is the time required to consolidate the same sample of clay with the same degree of consolidation but with double drainage ? |
| A. | 4 t |
| B. | 2 t |
| C. | t/2 |
| D. | t/4 |
| Answer» E. | |
| 1797. |
A cantilever pin-jointed truss carries one load P at the point Z as shown in the given figure. The hinges in the vertical wall are at A and D. The truss has only three horizontal members AC, CG and GZ.The nature of force in member AB |
| A. | is tensile |
| B. | is zero |
| C. | is compressive |
| D. | cannot be predicted |
| Answer» E. | |
| 1798. |
A right-angled triangular channel, symmetrical in section about the vertical, carries a discharge of 5 m3 /s with a velocity of 1.25 m/s. What is the approximate value of the Froude number of the flow ? |
| A. | 0.3 |
| B. | 0.4 |
| C. | 0.5 |
| D. | 0.6 |
| Answer» C. 0.5 | |
| 1799. |
The maximum bending moment at the left quarter point of a simple beam due to crossing of UDL of length shorter than the span in the direction left to right, would occur after the load had just crossed the section by |
| A. | one-fourth of its length |
| B. | half of its length |
| C. | three-fourth of its length |
| D. | its full length |
| Answer» D. its full length | |
| 1800. |
Consider the following statements :1. An ascending gradient of 1 in 100 meets an ascending gradient of 1 in 120 to form a Valley curve.2. A falling gradient of 1 in 25 meets a falling gradient of 1 in 50 to form a summit curve.3. The length of summit curve is determined on the basis of head light sight distance.Which one of the statements given above is/are correct ? |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 2 only |
| Answer» C. 1 and 3 | |