🚧 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

The standard height of a standard rain gauge, isAnswer: 30 cm In India, rain fall is generally recorded atAnswer: 8 A.M. A recording type rain gaugeAnswer: all the above. In India the recording type rain gauge generally used, isAnswer: float recording type The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, isAnswer: greater for lighter rain If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplyingAnswer: cosine of the angle of inclination with vertical For determination of average annual precipitation in a catchment basin, the best method isAnswer: Isohyetal method While calculating the average depth of annual precipitation in a catchment basin, importance to individual raingauge station is given inAnswer: both (b) and (c). The critical depth in a channel can be producedAnswer: both (a) and (c) of above. A hydraulic jump in a control meter will be formed above the control, if its originalAnswer: depth is less than the critical depth Prof. Running suggested the method for extending the discharge curve. It is known asAnswer: Logarithmic method If y is the depth of water at any section, then the mean velocity isAnswer: 0.6 y. The run off is affected byAnswer: all the above. The initial basin recharge is equal toAnswer: all the above. The run off a drainage basin isAnswer: Precipitation - ground water accretion - initial recharge. For computing the run off volumes of large areas, number of infiltrations used areAnswer: 2 From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m. The over land flow time, isAnswer: 4 hours. If the area of storm hydrograph is equal to 102 cm, the ordinates of a unit hydrograph may be obtained by dividing the ordinates of the storm hydrograph byAnswer: 4 If the potential infiltration of a water shed having a soil with fair pasture cover, is 10 cm and rainfall is 12 cm, the direct run off is :Answer: 5 cm The quantity of water retained by the sub-soil against gravity, is knownAnswer: specific retention Pick up the incorrect statement from the following :Answer: The term 'transmissibility' was introduced by Meinzer If the viscosity of ground water is 1.00, the Slitcher's constant is 400, the effective size of soil particles in acquifer is 0.5 mm and hydraulic gradient is 1 in 80, the velocity of flow isAnswer: 1.25 m/day. Pick up the correct statement from the following :Answer: All the above. Shrouding is provided inAnswer: slotted type tube wells The efficiency of a pump may be taken asAnswer: 0.65 Consumptive use of a crop during growth, is the amount ofAnswer: all the above. For the estimate of high floods in fan-shaped catchment, the formula used isAnswer: Inglis formula A pitot tube is used to measureAnswer: velocity of flow The thickness of a sharp crested weir is kept less thanAnswer: one-half of the height of water on the sill The property of steam function ψ is :Answer: all the above.