A right angled bell-crank is designed to raise a load of 5kN at shor – McqOptions

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1.	A right angled bell-crank is designed to raise a load of 5kN at short arm whose length is 100mm. Also longer arm is of length 500mm. If permissible bearing pressure on pin is 10N/mm² and diameter of the 20mm, find the shear stress in the pin.
A.	8.12
B.	8.51
C.	9.12
D.	9.51
Answer» B. 8.51

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