To assemble a plastic charger, the following tasks (and standard times in minute) are involved : Tasks time (min) A Place bottom housing on line 0.2 B Assemble parts 3, 4, & 5 to bottom housing 0.25 C Assemble parts 6 & 7 together and place subassembly in bottom housing 0.3 D Drive 6 bolts to hold subassembly in bottom housing 0.6 E Get vent cover & cement in place in bottom housing 0.2 F Get top housing, apply cement & assemble to bottom housing 0.3 G Place in carton & in master carton (6 per) and aside to pallet 0.6 Draw the precedence network using common sense. Solution Tasks---0.2--- Task A -----0.3---Task E------0.25------Task B----0.6----Task D-------0.3------Task C---0.3----- Task F----0.6---Task G.

1. To assemble a plastic charger, the following tasks (and standard times in minute) are involved :
Tasks time (min) A Place bottom housing on line 0.2 B Assemble parts 3, 4, & 5 to bottom
housing 0.25 C Assemble parts 6 & 7 together and place subassembly in bottom housing 0.3 D
Drive 6 bolts to hold subassembly in bottom housing 0.6 E Get vent cover & cement in place in
bottom housing 0.2 F Get top housing, apply cement & assemble to bottom housing 0.3 G Place
in carton & in master carton (6 per) and aside to pallet 0.6 Draw the precedence network using
common sense.
Solution
Tasks---0.2---
Task A -----0.3---Task E------0.25------Task B----0.6----Task D-------0.3------Task C---0.3-----
Task F----0.6---Task G