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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.
| 851. |
A particle of mass M is attached to a light horizontal wire which is stretched tightly between two fixed ends with a tension T. If a and b are the distances of the particle from the two ends, then the period of a small transverse oscillation of the particle is given by |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 852. |
In the given figure, the latitude of the place of observation will be equal to declination of the star plus its co-altitude when the position of the star on the meridian is between |
| A. | horizon and Pole |
| B. | horizon and equator |
| C. | equator and zenith |
| D. | Pole and zenith |
| Answer» C. equator and zenith | |
| 853. |
A star is observed at its western elongation. If the latitude of place of observation is θ, the declination of star is δ, altitude of star at elongation is α, then the hour angle of star is given by |
| A. | cos H = cos δ . sec θ |
| B. | cos H = tan θ . cot δ |
| C. | cos H = tan θ . cot α |
| D. | cos H = tan δ . cot θ |
| Answer» C. cos H = tan θ . cot α | |
| 854. |
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" | |
| 855. |
For a simple circular curve which one of the following gives the correct relation between the radius R and degree of curve D, for 20 m arc length ? |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 856. |
A and B are two traverse stations free from local attraction errors. If the true bearing of a line AB is 89°, and the magnetic declination at point A is 1° West, then the magnetic bearing of the line BA would be |
| A. | 88° |
| B. | 90° |
| C. | 268° |
| D. | 270° |
| Answer» C. 268° | |
| 857. |
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 | |
| 858. |
A star is observed at its upper culmination when it is north of zenith. The latitude of the place of observation is 30°N and declination of the star is 50°N. The zenith distance of the star is |
| A. | 10° |
| B. | 20° |
| C. | 40° |
| D. | 80° |
| Answer» C. 40° | |
| 859. |
Consider the following statements regarding base-line measurements :1. Very precise measurement can be done only on densely cloudy days or at nights.2. Error due to application of non-standardised pull on the tape can be either cumulative or compensating type.3. Intermediate obstructions in the measurement of base-lines can be cleared by erecting towers.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 2 are correct |
| C. | 1 and 3 are correct |
| D. | 2 and 3 are correct |
| Answer» D. 2 and 3 are correct | |
| 860. |
If the gradient of a ground is -3%, that of another ground intersecting with the former is 5%, and the horizontal length of the vertical curve to be drawn is 600 m, then the vertical offset 'e' from the vertex of the vertical curve to the mid-point of the curve will be |
| A. | 1.5 m |
| B. | 6 m |
| C. | 15 m |
| D. | 75 m |
| Answer» C. 15 m | |
| 861. |
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. | |
| 862. |
A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be |
| A. | - 0.00, 00560 m |
| B. | + 0.00, 00560 m |
| C. | + 0.00, 16800 m |
| D. | - 0.00, 16800 m |
| Answer» E. | |
| 863. |
A plot of land 60°m x 20 m is measure steel tape. If the standard error of length width measurements is taken as ± 1 cm, the standard error of the area of the plot be |
| A. | ± 0.1414 m2 |
| B. | ± 0.566 m2 |
| C. | ± 0.632 m2 |
| D. | ± 0.8484 m2 |
| Answer» D. ± 0.8484 m2 | |
| 864. |
The ratio of torsional moments of resistance of a solid circular shaft of diameter D and a hollow shaft having external diameter D and internal diameter d is given by |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 865. |
Two bars AO and BO are of uniform area 'A' each and are hinged at O as shown in the given figure. A load W is applied at O. The vertical deflection of O will be |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» B. [B]. | |
| 866. |
A beam of square beam is given by section 'a' is used with its diagonal horizontal. The modulus of section of the |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» D. [D]. | |
| 867. |
A heavy elastic ball drops from the ceiling of a room, and after rebounding once from the floor, reaches a height equal to three-fourth of that of the ceiling. The coefficient of restitution will be |
| A. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» C. [C]. | |
| 868. |
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. | [A]. |
| B. | [B]. |
| C. | [C]. |
| D. | [D]. |
| Answer» E. | |
| 869. |
The proportion of second moment of area about the centroidal axis to second moment of area about the base of a rectangle will be |
| A. | 1/4 |
| B. | 1/2 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1/2 | |
| 870. |
The load carrying capacity of an individual friction pile is 200 kN. What is the total load carrying capacity of a group of 9 such piles with group efficiency factor of 0.8 ? |
| A. | 1800 kN |
| B. | 1640 kN |
| C. | 1440 kN |
| D. | 900 kN |
| Answer» D. 900 kN | |
| 871. |
Which one of the following is a compression member ? |
| A. | Purlin |
| B. | Boom |
| C. | Girt |
| D. | Tie |
| Answer» C. Girt | |
| 872. |
For medium silt where average grain size is 0.16 mm, Lackey's silt factor is likely to be |
| A. | 0.3 |
| B. | 0.45 |
| C. | 0.7 |
| D. | 1.32 |
| Answer» D. 1.32 | |
| 873. |
Consider the following locations of a turnout:1. Tongue rail2. Lead rail3. Toe of switch4. Crossing.Which is the correct sequence for a train to pass over the turnout from the facing direction? |
| A. | 3 - 1 - 2 - 4 |
| B. | 4 - 2 - 1 - 3 |
| C. | 3 - 2 - 1 - 4 |
| D. | 4 - 1 - 2 - 3 |
| Answer» B. 4 - 2 - 1 - 3 | |
| 874. |
The frame shown is redundant to |
| A. | single degree |
| B. | two degree |
| C. | three degrees |
| D. | four degrees |
| Answer» B. two degree | |
| 875. |
Why are intermediate vertical stiffeners provided in plate girders ? |
| A. | To eliminate web buckling |
| B. | To eliminate local buckling |
| C. | To transfer concentrated loads |
| D. | To prevent excessive deflection. |
| Answer» B. To eliminate local buckling | |
| 876. |
Consider the following statements :Selection of the type and grade of the bituminous binder is made on the basis of1. cost of the binder material.2. climatic conditions of the area and the construction technique.3. degree of importance of the road.4. thickness of pavement layer to be constructed.Which of these statements is/are correct ? |
| A. | 1 only |
| B. | 2 only |
| C. | 1, 2 and 4 |
| D. | 1, 2 and 3 |
| Answer» C. 1, 2 and 4 | |
| 877. |
The shear modulus of a material is half of its Young's modulus. What is the value of its Poisson's ratio ? |
| A. | -1 |
| B. | -0.5 |
| C. | Zero |
| D. | 0.5 |
| Answer» D. 0.5 | |
| 878. |
In a shear test on cohesionless soils, if the initial void ratio is less than the critical void ratio, the sample will : |
| A. | increase in volume |
| B. | initially increase in volume and then remain constant |
| C. | decrease in volume |
| D. | initially decrease and then increase in volume |
| Answer» C. decrease in volume | |
| 879. |
A parabolic vertical curve is to be set out connecting two uniform grades of +0.6% and +.0%. The rate of change of grade is to be 0.06% per 30 m. The length of the curve will be |
| A. | 66 2/3 m |
| B. | 133 1/3 m |
| C. | 200 M |
| D. | 266 2/3 m |
| Answer» B. 133 1/3 m | |
| 880. |
Two piles, one a bored cast-in-situ pile and another a precast driven pile, both of same length and diameter are constructed in a loose sand deposit. If the bearing capacity of the bored pile is Q1, and that of the precast driven pile is Q2, then which of the following is correct ? |
| A. | Q1 > Q2 |
| B. | Q1 = Q2 |
| C. | Q1 < Q2 |
| D. | No specific comparison may hold good |
| Answer» B. Q1 = Q2 | |
| 881. |
By what percentage is length of a runway increased for every 300 m rise above M.S.L. ? |
| A. | 0.03 |
| B. | 0.04 |
| C. | 0.06 |
| D. | 0.07 |
| Answer» E. | |
| 882. |
A channel of bed slope 0.0009 carries a discharge of 30 m3/s when the depth of flow is 1.0 m. What is the discharge carried by an exactly similar channel at the same depth of flow if the slope is decreased to 0.0001 ? |
| A. | 10 m3/s |
| B. | 15 m3/s |
| C. | 60 m3/s |
| D. | 90 m3/s |
| Answer» B. 15 m3/s | |
| 883. |
Allowable disposable rate of application of sludge on land is determined by |
| A. | carbon content of sludge |
| B. | nitrogen content of sludge |
| C. | phosphorus content of sludge |
| D. | potassium content of sludge |
| Answer» C. phosphorus content of sludge | |
| 884. |
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 | |
| 885. |
Ruling gradient on highways as per IRC in plane terrain is |
| A. | 1 in 30 |
| B. | 1 in 60 |
| C. | 1 in 100 |
| D. | 1 in 200 |
| Answer» B. 1 in 60 | |
| 886. |
A retaining wall 8 m high with a smooth vertical back retains a clay back fill with C' = 15 kN/m2, φ = 15° and γ = 18 kN/ m3. (Given sin 15° ≅ 0.25). The pressure at the top will, nearly, be equal to |
| A. | 35.2 kN/m2 |
| B. | 23.0 kN/m2 |
| C. | 27.6 kN/m2 |
| D. | 11.5 kN/m2 |
| Answer» E. | |
| 887. |
Two particles of masses 21 gm and 28 gm are connected by a light inextensible string which passes over a fixed smooth pulley. The tension in the string in the ensuing motion will be |
| A. | 7 gm. wt |
| B. | 10 gm. wt |
| C. | 12 gm. wt |
| D. | 24 gm. wt |
| Answer» E. | |
| 888. |
Consider the following statements :For an over-reinforced (singly reinforced) rectangular RC section.1. the lever arm will be less than that for a balanced section.2. the maximum stress developed by steel would equal the allowable stress in steel.3. the maximum stress developed by concrete would equal allowable stress in concrete.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 | |
| 889. |
In Lacey's regime theory, the velocity of flow is proportional to : |
| A. | Qf2 |
| B. | Q/f2 |
| C. | (Qf2)1/6 |
| D. | (Q/f2)1/6 |
| Answer» D. (Q/f2)1/6 | |
| 890. |
What are leaping weirs ? |
| A. | sewage flow measuring devices |
| B. | storm regulators |
| C. | velocity control devices |
| D. | sewer out falls |
| Answer» C. velocity control devices | |
| 891. |
A grinding wheel rotates 3000 rpm. When power supply is cut off, the wheel stops completely in 10 seconds. What is the number of revolutions made by the wheel before coming to rest ? |
| A. | 3000 |
| B. | 1000 |
| C. | 500 |
| D. | 250 |
| Answer» E. | |
| 892. |
In a simply supported beam AB of span L, the midpoint is C. In case-1, the beam is loaded by a central concentrated load W. In case-2, the beam is subjected to a U.D.L. of intensity w such that wL = W. The ratio of central deflection in case-1 to that in case-2 is |
| A. | 43529 |
| B. | 43588 |
| C. | 43682 |
| D. | 43593 |
| Answer» E. | |
| 893. |
Consider the following statements regarding the swedish circle method of analysing stability of slopes :1. It is a general method of analysing stability of slopes.2. It satisfied only the overall moment equation of equilibirum.3. It considers the forces action on the sides of individual slices.4. It gives a factor of safety which are on the safeside.Of the statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1, 2 and 4 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 3 and 4 are correct |
| Answer» E. | |
| 894. |
In a plate load test on sandy soil, the test plate of 60 cm x 60 cm undergoes a settlement of 5 mm at a pressure of 12 x 104 N/m2. What will be the expected settlement of 3 m x 3 m footing under same pressure ? |
| A. | 25 mm |
| B. | 20 mm |
| C. | 15 mm |
| D. | 9 mm |
| Answer» E. | |
| 895. |
What is range of values of Poisson's ratio for ductile materials ? |
| A. | 0.10 to 0.15 |
| B. | 0.16 to 0.20 |
| C. | 0.21 to 0.24 |
| D. | 0.25 to 0.33 |
| Answer» C. 0.21 to 0.24 | |
| 896. |
The following observation relate to designing of laced column :1. Single lacing systems on opposite planes shall preferably be in the same direction so that one is the shadow of the other.2. Lacing bar should only be a flat.3. The slenderness ratio of the lacing bars for compression shall not exceed 180.4. Laced compression members are to be provided with tie plates of ends.Of these observations : |
| A. | 1, 2, 3 and 4 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 2 and 3 are correct |
| D. | 1 and 4 are correct |
| Answer» B. 1, 3 and 4 are correct | |
| 897. |
The following steps are involved in arriving at a unit hydrograph.1. Estimating the surface runoff in depth.2. Estimating the surface runoff in volume.3. Separation of base flow.4. Dividing surface runoff ordinates by depth of runoff.The correct sequence of the steps is : |
| A. | 3 2 1 4 |
| B. | 2 3 4 1 |
| C. | 3 1 2 4 |
| D. | 4 3 2 1 |
| Answer» C. 3 1 2 4 | |
| 898. |
As the elevation increases, the runways length has to be changed at what rate ? |
| A. | Decreased @ 5% per 300 m rise in elevation above M.S.L. |
| B. | Increased @ 7% per 300 m rise in elevation above M.S.L. |
| C. | Decreased @ 9% per 300 m rise in elevation above M.S.L. |
| D. | Increased @ 15% per 300 m rise in elevation above M.S.L. |
| Answer» C. Decreased @ 9% per 300 m rise in elevation above M.S.L. | |
| 899. |
A person of height 1.65 m standing on a cliff of height 20 m above the water level on sea-shore can sight a ship at a distance of about |
| A. | 10 km |
| B. | 18 km |
| C. | 30 km |
| D. | 40 km |
| Answer» C. 30 km | |
| 900. |
A beam of rectangular section 100 mm x 300 mm carries certain loads such that the Bending Moment at a section A is M ans at another section B it is (M + C).The distance between the sections A and B is 0.5 m and there are no external loads acting between the two sections. If the value of C is 10, 000 Nm, then the maximum shear stress is |
| A. | 1.5 MN/m2 |
| B. | 1.0 MN/m2 |
| C. | 0.5 MN/m2 |
| D. | 0.25 MN/m2 |
| Answer» C. 0.5 MN/m2 | |