If the critical shear stress of a channel is xc, then the average valu – McqOptions

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1.	If the critical shear stress of a channel is xc, then the average value of shear stress required to move the grain on the bank is___________________?
A.	0.5 xc
B.	0.75 TC
C.	xc
D.	1.33 TC
Answer» C. xc

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