Civil Engineering MCQs

2965 MCQs  (Page 153 of 297)

A hydroelectric scheme operating under a head of 80 m will be classified as_____________?
A. Low head scheme
B. Medium head scheme
C. High head scheme
D. None of the above
Lining of irrigation channels________________?
A. Increases the waterlogging area
B. Decreases the waterlogging area
C. Does not change the water logging area
D. None of the above
A river training work is generally required when the river is_______________?
A. Aggrading type
B. Degrading type
C. Meandering type
D. Both (a) and (b)
The main cause of meandering is________________?
A. Presence of an excessive bed slope in the river
B. Degradation
C. The extra turbulence generated by the excess of river sediment during floods
D. None of the above
Tortuosity of a meandering river is the ratio of__________________?
A. Meander 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
D. Direct axial length of the river reach to curved length along the channel
The aqueduct or superpassage type of works are generally used when_______________?
A. High flood drainage discharge is small
B. High flood drainage discharge is large and short lived
C. High flood drainage discharge is large and continues for a long time
D. None of the above
The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in___________________?
A. Aqueduct and syphon aqueduct
B. Aqueduct and super passage
C. Super passage and canal syphon
D. Level crossing
Which of the following canal outlets maintains a constant discharge ?
A. Non-modular outlet
B. Flexible outlet
C. Rigid module
D. None of the above