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<br />6. Subcriticalflow <br /> a. Relatively deep <br /> b. Low velocity <br /> c. Mild slope <br />7. Supercritical flow <br /> a, Shallow flow <br /> b. High velocity <br /> c, Steep slope <br />8. Control section <br /> <br />Any cross section for which the depth of flow can be uniquely predicted <br />for a given discharge. <br /> <br />Subcritical . <br /> <br />1 -X- - <br />Yn[E:",,=,=,~-- , <br /> <br />Yn= Normal Depth <br />Y c= Critical Depth <br /> <br />Control <br />Section <br /> <br />. Supercrltical <br /> <br /> <br />sUBCRITICAL AND SUPER CRITICAL FLOW <br /> <br />3.2 <br />