In a lock-gate, the reaction between two gates is (where P = Resultan – McqOptions

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1.	In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)
A.	p/sinα
B.	2p/sinα
C.	p/2sinα
D.	2p/sin (α/2)
Answer» D. 2p/sin (α/2)

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