This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Slopes of Formation”.
1. The side slopes of embankment and cutting depend upon which of the following factors?
a) Shear strength of soil
b) Angle of repose of soil
c) Shear strength and angle of repose of soil
d) The loading on embankment
View Answer
Explanation: A particular slope is provided to the embankment and the cutting. This side slope depends upon the shear strength as well as the angle of repose of the soil.
2. What is slip circle method used for?
a) To determine the stability of the slope
b) To determine permeability of soil
c) For calculation of slope value
d) To measure the slope
View Answer
Explanation: Huge amount of load acts on the tracks which gets transferred to the formation. The slope of the formation must be stable to bear it. The stability of this slope is determined by slip circle method.
3. Why are the slopes turfed?
a) To prevent erosion of side slope
b) To erode side slopes
c) To distribute load properly
d) For bearing load
View Answer
Explanation: Because of rain water the side slope might get eroded. A thin layer of cohesive soil is thus used to prevent erosion by this arrangement.
4. The slopes are turfed by providing a toe and pitching.
a) True
b) False
View Answer
Explanation: Because of standing water the bank also gets corroded. A toe and pitching are provided to avoid this. For slopes, cohesive soil or suitable type of grass is used.
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