Specific energy in GVF changes only under which of the following condi – McqOptions

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1.	Specific energy in GVF changes only under which of the following conditions:
A.	difference between bed slope and slope of the energy line
B.	both bed slope and energy slope are equal
C.	presence of bed slope alone
D.	presence of energy slope alone
Answer» B. both bed slope and energy slope are equal

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