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.
| 651. |
Given that 'φ' is the angle of internal friction, 'p' is the safe bearing capacity and γ is the unit weight of soil, the minimum depth of foundation of a masonry footing is given by |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» E. | |
| 652. |
A column base is subjected to moment. If the intensity of bearing pressure due to axial load is equal to stress due to the moment, then the bearing pressure between the base and the concrete is |
| A. | uniform compression throughout |
| B. | zero at one end and compression at the other end |
| C. | tension at one end and compression at the other end |
| D. | uniform tension throughout |
| Answer» C. tension at one end and compression at the other end | |
| 653. |
A shaft of diameter 'd' is subjected to bending moment 'M' and twisting moment 'T' The developed principal stress will be |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 654. |
A propped cantilever of span 'L' is subjected to a concentrated load at mid-span. If Mp is plastic moment capacity of the beam, then the value of the collapse load will be |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 655. |
Force in the member AB of the frame shown in the given figure will be: |
| A. | zero |
| B. | W |
| C. | W 2 |
| D. | [D]. |
| Answer» B. W | |
| 656. |
The force in the member 'AB' of the truss shown in the given figure is |
| A. | 25 kN compressive |
| B. | 25 2 tensile |
| C. | 25 2kN compressive |
| D. | 25 kN tensile |
| Answer» C. 25 2kN compressive | |
| 657. |
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. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 658. |
If a member is subjected to tensile stress of px, compressive stress of py and tensile stress of pz along the x, y and z directions respectively, then the resultant strain 'ex' along the 'x' direction would be (E is Young's modulus of elasticity, μ is Poisson's ratio) |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» E. | |
| 659. |
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. | |
| 660. |
Given that for a channel section, the width of flange = b, the depth of the web between centres of flanges = h, the thickness of flange = t(, the moment of interia of the channel about the axis of bending = I, the distance 'e' of the shear centre outside the channel section from the mid-thickness of the web is: |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 661. |
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. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» E. | |
| 662. |
In a project, the contractor is paid on the basis of the running bill for a month. The rate contract for concreting is Rs. 1000/m3 of concrete. The consumption of number of cement of bags of weight 50 kg is 527. The mix proportion for the concrete is 1: 1.4 : 2.75 with W/C ratio of 0.52. The approximate billing amount of the month will be |
| A. | Rs. 5, 27, 000 |
| B. | Rs. 1.49, 404 |
| C. | Rs. 62, 252 |
| D. | Rs. 26, 350 |
| Answer» B. Rs. 1.49, 404 | |
| 663. |
Consider the AoA network of a project shown in the given figure. (Activities are designated by alphabets and durations are shown around the stem of the arrow.) The critical path will be |
| A. | 1-2-3-6-7-8 |
| B. | 1-2-3-5-7-8 |
| C. | 1-2-4-5-7-8 |
| D. | 1-2-4-6-7-8 |
| Answer» C. 1-2-4-5-7-8 | |
| 664. |
A centrifugal pump is required to lift 2.8 cu.m.s of water to a height of 7.5 m. If the total loss of head in the pipe system is 0.25 m and the efficiency of the pump is 80%, then the brake horse power will be |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 665. |
Consider the following statements :Shrinkage of concrete depends upon the1. relative humidity of the atmosphere.2. passage of time.3. applied stress.Which of these statements is/are correct ? |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 1 alone |
| D. | 1, 2 and 3 |
| Answer» B. 2 and 3 | |
| 666. |
Consider the following statements :1. About 25% of alumina is brick earth imparts the plasticity necessary for moulding bricks into required shape.2. Iron pyrite present in brick earth preserves the form of the bricks at high temperatures.3. Presence of weeds in brick earth makes the bricks unsound.Which of these statements are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» C. 2 and 3 | |
| 667. |
Probability of a lO-year flood to occur at least once in the next 4 years is |
| A. | 25% |
| B. | 35% |
| C. | 50% |
| D. | 65% |
| Answer» C. 50% | |
| 668. |
Mean precipitation over an area is best obtained from gauged amounts by |
| A. | arithmetic mean method |
| B. | Thiessen method |
| C. | linearly interpolated isohyetal method |
| D. | orographically weighted isohyetal method |
| Answer» D. orographically weighted isohyetal method | |
| 669. |
Which one of the following pairs relating to flumes carrying open channel flow is correctly matched ? |
| A. | N-modular flume....Flow is unaffected by drowning |
| B. | Venturi flume....Standing wave forms at the throat |
| C. | Venturi flume....Flow at the throat is at less than critical velocity |
| D. | Standing wave flume....Hump is not provided at the throat |
| Answer» D. Standing wave flume....Hump is not provided at the throat | |
| 670. |
Which one of the following pressure units represents the LEAST pressure ? |
| A. | Millibar |
| B. | mm of mercury |
| C. | N/mm2 |
| D. | kgf/cm2 |
| Answer» B. mm of mercury | |
| 671. |
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. φ | |
| 672. |
The three-point problem in hydrographic surveying considers the data on the location of three shore signals A, B and C and the angles α and β subtended by AP, BP and CP at the boat P; and then proceeds to plot the position of P. The problem may become indeterminate is special cases when |
| A. | B and P are on opposite sides of the line AC |
| B. | both B and P are on the same side of the line AC |
| C. | P is within the triangle ABC |
| D. | P is very close to the extension of one of the edges of the triangle ABC |
| Answer» E. | |
| 673. |
In an external focusing tachometer, the fixed interval between static hairs is 5 mm, the focal length of the objective is 25 cm, and the distance of the vertical axis of the instrument from the optical centre of the objective is 15 cm. Which one of the following is the set of constant of the tachometer ? |
| A. | 30, 0.15 |
| B. | 30, 0.40 |
| C. | 50, 0.25 |
| D. | 50, 0.40 |
| Answer» E. | |
| 674. |
The following steps are necessary to obtain sufficient accuracy with the tape :1. Keeping uniform tension on tape for each measurement:2. "Breaking" tape on slopes are necessary to keep the tape level.3. Keeping accurate count of the stations.4. Keeping the tape on the line being measured.The correct sequence of these steps is |
| A. | 4, 2, 1, 3 |
| B. | 2, 3, 4, 1 |
| C. | 4, 1, 2, 3 |
| D. | 3, 2, 1, 4 |
| Answer» D. 3, 2, 1, 4 | |
| 675. |
If the CBR value obtained at 5 mm penetration is higher than that at 2.5 mm, then the test is repeated for checking ; and if the check test reveals a similar trend, then the CBR value is to be reported as the |
| A. | Mean of the values for 5 mm and 2.5 mm penetrations |
| B. | Higher value minus the lower value |
| C. | Lower value corresponding to 2.5 mm penetration |
| D. | Higher value obtained at 5 mm penetration |
| Answer» E. | |
| 676. |
In a cohesionless soil deposit having a unit weight of 1.5 t/m3and an angle of internal friction of 30° the active and passivelateral earth pressure intensities (in t/m2) at a depth of 10 m will, respectively, be |
| A. | 15 and |
| B. | 5 and 15 |
| C. | 10 and 20 |
| D. | 20 and 10 |
| Answer» C. 10 and 20 | |
| 677. |
Given that for a soil deposit, K0 = earth pressure coefficient at rest, Ka = active earth pressure coefficient, Kp = passive earth pressure coefficient and u = Poisson's ratio, the value of (1 - μ) is given by |
| A. | Ka/Kp |
| B. | K0/Ka |
| C. | KP/Ka |
| D. | 1/K0 |
| Answer» E. | |
| 678. |
If s is the shear strength, c and Φ are shear strength parameters, and σn is the normal stress at failure, then Coulomb's equation for shear strength of the soil can be represented by |
| A. | c = s + σs tan Φ |
| B. | c = s - σn tan Φ |
| C. | s = σn + c tan Φ |
| D. | s = c - σn tan Φ |
| Answer» C. s = σn + c tan Φ | |
| 679. |
Earth pressure and resultant possibilities of wall movement are shown in the given diagram. The point marked 'x' in the diagram denotes |
| A. | earth pressure.at rest |
| B. | active earth pressure |
| C. | arching active pressure |
| D. | passive earth pressure |
| Answer» E. | |
| 680. |
A sand deposit has a porosity of 1/3 and its specific gravity is 2.5. The critical hydraulic rediant to cause sand boiling in the stratum will be |
| A. | 1.5 |
| B. | 1.25 |
| C. | 1 |
| D. | 0.75 |
| Answer» D. 0.75 | |
| 681. |
Consider the following statements in the context of aeolian soils :1. The soil has low density and low compressibility2. The soil is deposited by wind3. The soil has large permeability.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 2 and 3 are correct |
| C. | 1 and 3 are correct |
| D. | 1 and 2 are correct |
| Answer» C. 1 and 3 are correct | |
| 682. |
Which of the following materials are used as landfill salients for the control of gas and leachate moments ?1. Lime2. Sand3. Bentonite4. Fly ash5. Butyl rubberSelect the correct answer from the codes given below : |
| A. | 1, 2 and 3 |
| B. | 4 and 5 |
| C. | 3 and 5 |
| D. | 1, 2 and 4 |
| Answer» D. 1, 2 and 4 | |
| 683. |
Which of the following statements about design period are true ?1. It is concerned with economy of investment.2. It takes into account aspects like life of durability and ease or difficulty of capacity increase of installations.3. It considers the frequency of occurrence of extremes of river flow.4. It is concerned with estimating future requirements.Select the correct answer using the codes given below : |
| 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 | |
| 684. |
For the network shown in the above figure (the number on each arrow denotes the time duration of activity in days), the earliest star time, in days for activity 5-6 is |
| A. | 8 |
| B. | 7 |
| C. | 9 |
| D. | 11 |
| Answer» B. 7 | |
| 685. |
The function of coping is to serve as a : |
| A. | Covering to the wall to throw off water |
| B. | ornamental course between lintel level and roof level |
| C. | Projection from a wall to support a structural member |
| D. | shade against solar radiation |
| Answer» B. ornamental course between lintel level and roof level | |
| 686. |
The optimistic, most likely, and pessimistic estimates of time for an activity are 4 days, 11 days and 12 days respectively. The expected completion time of this activity is |
| A. | 8 days |
| B. | 9 days |
| C. | 10 days |
| D. | 11 days |
| Answer» D. 11 days | |
| 687. |
Consider the following statements :A concrete mixer is specified by the :1. volume of the mixing drum.2. horse power of the prime mover.3. volume of mixed concrete discharged.4. mixer drum speed.5. feeding arrangement.Of these statements : |
| A. | 1, 2 and 5 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 3 and 5 are correct |
| D. | 2 and 4 are correct |
| Answer» C. 3 and 5 are correct | |
| 688. |
At the time of initial tensioning the maximum tensile stress in tendon immediately behind the anchorage shall Not exceed |
| A. | 50% of the ultimate tensile strength of the wire or bar strength |
| B. | 80% of the ultimate tensile strength of the wire or bar strength |
| C. | 40% of the ultimate tensile strength of the wire or bar strength |
| D. | 60% of the ultimate tensile strength of the wire strength |
| Answer» C. 40% of the ultimate tensile strength of the wire or bar strength | |
| 689. |
A thin cylindrical shell of internal diameter 'D' and thickness 't' is subjected to internal pressure 'p'. The change in diameter is given by : |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 690. |
As per the maximum principal stress theory, when a shaft is subjected to a bending moment M and torque T, and if σ is the allowable stress in axial tension, then the diameter 'd' of the shaft is given by |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 691. |
A simply supported rectangular beam of span 'L' and depth 'd' carries a central load 'W' What ratio of maximum deflection to maximum bending stress is |
| A. | L2/6Ed |
| B. | L28Ed |
| C. | L2/48Ed |
| D. | L2/12Ed |
| Answer» B. L28Ed | |
| 692. |
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 | |
| 693. |
Consider the following statements :I: To insert a 28 mm nominal diameter rivet, 29.5 mm rivet hole is made.II: Provision is made to allow temperature expansion of the bolt. |
| A. | both I and II are true |
| B. | I is true but II is false |
| C. | I is false but II is true |
| D. | both I and II are false |
| Answer» D. both I and II are false | |
| 694. |
At a point in a strained material, if two mutually perpendicular tensile stresses of 2000 kg/cm2 and 1000 kg/cm2 are acting, then the intensity of tangential stress on a plane inclined at 15° to the axis of the minor stress will be : |
| A. | 125 kg/cm2 |
| B. | 250 kg/cm2 |
| C. | 500 kg/cm2 |
| D. | 1000 kg/cm2 |
| Answer» C. 500 kg/cm2 | |
| 695. |
High alumina cement is produced by fusing together a mixture of |
| A. | limestone and bauxite |
| B. | limestone, bauxite and gypsum |
| C. | limestone, gypsum and clay |
| D. | limestone, gypsum, bauxite, clay and chalk |
| Answer» B. limestone, bauxite and gypsum | |
| 696. |
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 | |
| 697. |
In an old map, line PQ was drawn to a magnetic bearing of 6°32', the magnetic declination at that time being 1° East. The present magnetic declination is 9°42' East. The magnetic bearing to which the line is set at present is |
| A. | 357° 50' |
| B. | 356° 50' |
| C. | 3° 10' |
| D. | 2° 10' |
| Answer» B. 356° 50' | |
| 698. |
During the measurement of a line by chain or tape in slopes, if the length of the line is 'l' and the height difference between the ends of the line is 'h', then the correction to the measured length is more than by |
| A. | zero |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 699. |
In a third order traverse, if the standard error of ± 3" is assigned to each of the four source of errors, namely :(i) reading the vernie(ii) non-adjustment of transit(iii) sighting and(iv) setting over the station, then the total standard error of the work would be |
| A. | ±3" |
| B. | ±6" |
| C. | ±6.92" |
| D. | ±12" |
| Answer» C. ±6.92" | |
| 700. |
The smallest scale adopted for topographical surveys is |
| A. | 1 : 25, 000 |
| B. | 1 : 50, 000 |
| C. | 1 : 2, 50, 000 |
| D. | 1 : 5, 00, 000 |
| Answer» B. 1 : 50, 000 | |