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The beam BE shown is used for hoisting machinery. It is anchored by two bolts at B and C; it rests
on a parapet wall. Note that the bolt is threaded with d= 22mm at the root of the threads. If this
hoist can be subjected to a load of 9 kN, determine the stress in bolf BD and the maximum
bearing stress at C given that the maximum allowable stress at A is 70 MPa
-2.5m-
-200 mm

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