Civil Engineering MCQs

Page No. 147

Which of the following is a flexible outlet ?


a submerged pipe outlet


b Kennedy’s gauge outlet


c Gibb’s outlet


dnone of the above



Which of the following types of falls use parabolic glacis for energy dissipation ?


avertical drop fall


b glacis fall


cMontague type fall


dinglis fall


View Answer Montague type fall

Which of the following can be used as a meter fall ?


avertical drop fall


bflumed glacis fall


cunflumed glacis fall


dall of the above


View Answer vertical drop fall

Which of the following canal outlets maintains a constant discharge ?


anon-modular outlet


b flexible outlet


crigid module


dnone of the above


View Answer rigid module

The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?


aaqueduct and syphon aqueduct


baqueduct and super passage


csuper passage and canal syphon


dlevel crossing



The aqueduct or superpassage type of works are generally used when_______________?


ahigh flood drainage discharge is small


b high flood drainage discharge is large and short lived


chigh flood drainage discharge is large and continues for a long time


d none of the above



Tortuosity of a meandering river is the ratio of__________________?


ameander belt to meander length


b meander length to meander belt


c curved length along the channel to the direct axial length of the river reach


ddirect axial length of the river reach to curved length along the channel



The main cause of meandering is________________?


apresence of an excessive bed slope in the river


bdegradation


c the extra turbulence generated by the excess of river sediment during floods


dnone of the above



A river training work is generally required when the river is_______________?


a aggrading type


bdegrading type


cmeandering type


d both (A) and (B)


View Answer meandering type

Lining of irrigation channels________________?


aincreases the waterlogging area


bdecreases the waterlogging area


cdoes not change the water logging area


dnone of the above



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