While deciding the alignment of a proposed canal taking off from a river at B , three alignments of approximately equal lengths are available. These cross a drainages at C 1 , C 2 and C 3 where drainage bed levels C 1 > C 2 > C 3 , you will provide at site C 3

While deciding the alignment of a proposed canal taking off from a riv

1.	While deciding the alignment of a proposed canal taking off from a river at B , three alignments of approximately equal lengths are available. These cross a drainages at C 1 , C 2 and C 3 where drainage bed levels C 1 > C 2 > C 3 , you will provide at site C 3
A.	an aqueduct
B.	a syphon aqueduct
C.	a super passage
D.	a syphon.
Answer» B. a syphon aqueduct