In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

In order to avoid tendency of separation at throat in a venturimeter,

1.	In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
A.	<img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/159-138-1.png">
B.	<img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/159-138-2.png">
C.	<img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/159-138-3.png">
D.	<img src="/_files/images/mechanical-engineering/hydraulics-and-fluid-mechanics/159-138-4.png">
Answer» E.