In flooding by contour laterals field canals are aligned:

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JKSSB JE CE 2021 Official Paper Shift 2 (Held on 27 Oct 2021)
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  1. Parallel to contour lines 
  2. Perpendicular to counter lines
  3. Along the contour lines
  4. At 45° to contour lines

Answer (Detailed Solution Below)

Option 3 : Along the contour lines
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ST 1: JKSSB JE - Surveying
20 Qs. 20 Marks 20 Mins

Detailed Solution

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Concept-

Flooding by Contour Laterals-
  • This is a special case of free flooding in which the field channels or laterals are aligned approximately along the contour lines.
  • This method is applicable to steeper terrain.
  • The field is cut by a relatively dense network of small contour laterals, the spacing of which depends upon the prominent grade of field between two adjacent ditches or laterals, the uniformity of slope and the soil type.

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