Calculate the diameter of crankpin when Pc=42951.46, lc=1.1dp and (pb)

1.	Calculate the diameter of crankpin when P_c=42951.46, l_c=1.1dp and (p_b)_c=8.5?
A.	67.78mm
B.	77.65mm
C.	57.23mm
D.	47.54mm
Answer» B. 77.65mm

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