Academics – Applied Mechanics : 2018/DEC/04
Question
Q4. The calibration of a lifting machine with a velocity ratio of 45 produced the following results:
(a) Determine the law of this machine. (8)
(b) Calculate EACH of the following:
(I) the mechanical advantage using this machine to lift a load of 11 kN. (4)
(II) the efficiency of this lifting machine for an applied effort of 400 N. (4)
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