The gridiron pipe drainage system is more economical than the herringbone pipe drainage system
because

Question

The gridiron pipe drainage system is more economical than the herringbone pipe drainage system
because

TuteeHUB · Accepted Answer

it has only main or sub-main lines

TuteeHUB · Answer

it is adopted in the fields which do not require complete drainage

TuteeHUB · Answer

the number of main or sub-main lines is reduced

TuteeHUB · Answer

the number of junctions and the double-drained area are reduced

1.	The gridiron pipe drainage system is more economical than the herringbone pipe drainage system because
A.	it is adopted in the fields which do not require complete drainage
B.	the number of main or sub-main lines is reduced
C.	the number of junctions and the double-drained area are reduced
D.	it has only main or sub-main lines
Answer» D. it has only main or sub-main lines

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