Question: (b) A worker picks up a screw from his worktable, position it into a threaded hole, and turns it three spins with his fingers. He

(b) A worker picks up a screw from his worktable,

(b) A worker picks up a screw from his worktable, position it into a threaded hole, and turns it three spins with his fingers. He then picks up a screwdriver from the worktable, positions it on the head of the screw, fastens the screw with six turns, and lays the screw driver aside. (1) Develop the activity sequence model (6 marks) (ii) Compute the normal time for the following work activity (i). (4 marks)

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