🚧 Civil Engineering Solved MCQs with Answers

Practice 1228 approved 🚧 Civil Engineering questions with verified answers from the 🛠️ Engineering Essentials subject for Pakistan exams.

1228 solved MCQs

In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, isAnswer: 65% The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil)Answer: tan² (45° - φ/2) The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is knownAnswer: plastic limit Pick up the correct statement from the following:Answer: All of the above Which one of the following statements is true ?Answer: All of the above The lateral earth pressure on a retaining wallAnswer: proportional to the internal friction of the soil Which one of the following statements is correct ?Answer: All of these The internal molecular attraction of a soil, the cohesionAnswer: is more in well compacted clays The refractive index of the ocean water:Answer: increases with salinity The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called :Answer: spatial variation The quantity of seepage of water through soils is proportional toAnswer: both (a) and (b) Electromagnetic radiation :Answer: All of these When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known asAnswer: consolidated undrained test Pick up the important characteristic of a target which facilitates its identification from the following:Answer: All of these The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is knownAnswer: liquid limit Which one of the following frequency regions is a part of sun's radiation?Answer: All of these Minimum size of the particles of silt soil, isAnswer: 0.002 mm The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface, are called :Answer: active sensors Due to pertubation of the orbit, satellite orbit parameters are frequently updated on measurements carried out by itsAnswer: five ground stations The maximum value of effective stress in the past divided by the present value, is defined as over consolidation ratio (OCR). The O.C.R. of an over consolidated clay isAnswer: more than 1 Coherence of two electromagnetic waves takes place if their phase difference is :Answer: constant in time and space The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,Answer: reduces the contrast of the image and also its sharpness Under-reamed piles are generallyAnswer: bored piles Which one of the following residual biases involves the GPS accuracy ?Answer: All the above Pick up the clay soil group which does not swell when wet from the following :Answer: Illite group Pick up the correct definition from the following with response to GIS.Answer: All of these. Factor of safety against sliding of a slope, is the ratio ofAnswer: both (a) and (b) Which one of the following errors is produced by platform characteristics of the sensor ?Answer: All of these The ratio of the volume of voids to the volume of soil solids in a given soil mass, is knownAnswer: void ratio The coherence length over which there is a strong relationship between amplitudes is;Answer: inversely proportional to the bandwidth