🚧 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 ratio of minimum hourly flow to the average flow of sewage isAnswer: 1/3 Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred toAnswer: all of these. Flocculated particles do not change theirAnswer: none of these. For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, isAnswer: glazed bricks sewers Disposal to sewage in large cities, is done inAnswer: dilution In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is keptAnswer: 0.25 The asbestos cement pipes are generally laidAnswer: vertically Chlorination of water is done for the removal ofAnswer: bacterias For evaporation and measurement of settlable solids, the apparatus used, isAnswer: an Imhoff cone. In SI units the power of sound is represented inAnswer: watts. A rain sanitary sewer is constructed to carryAnswer: storm sewage The sewage is pumped upAnswer: all the above. Removal of oil and grease from sewage, is knownAnswer: skimming The gas which may cause explosion in sewers, isAnswer: methane In sewers the effect of scouring is more onAnswer: bottom side Water containsAnswer: two hydrogen atoms and one oxygen atom Unit Hydrograph theory was enunciated byAnswer: Le-Roy K. Shermen The theory of infiltration capacity was given byAnswer: Robert E. Horten. Hydrology helps inAnswer: all the above. Pick up the correct statement from the following :Answer: all the above. Pick up the correct statement from the following :Answer: All the above. The surface Run-off is the quantity of waterAnswer: that reaches the stream channels Pick up the correct equation from the following :Answer: Run off = Surface run off + Ground water flow Infiltration capacity of soil depends uponAnswer: all the above. Pick up the correct statement from the following :Answer: All the above. Pick up the correct statement from the following :Answer: All the above. The main factor which affects the infiltration capacity, isAnswer: all the above. Pick up the correct statement from the following :Answer: All the above. Absolute humidity in airAnswer: decreases at higher altitudes Precipitation caused by lifting of an air mass due to the pressure difference, is calledAnswer: cyclonic precipitation