In a workcenter, machine A has a ten minute set-up time per batch and a two minute per unit run time. Machine B performs the identical function but has a set-up time of thirty minutes and a one minute run time per unit.The workcenter makes products in batches ranging from one unit to one hundred units.Assuming capacity is not a limitation on either machine, on which batches should machine B be used?
A)All batches should be run on machine B
B)Batches of more than 20 units should be run on machine B
C)Batches of fewer than 80 units should be run on machine B
D)Batches with up to 50 units should be run on machine B
E)No batches should be run on machine B

Question

Quizplus · Accepted Answer

Machine B should be used for batches of more than 20 units because its lower per unit run time becomes advantageous as the batch size increases, offsetting its longer setup time compared to machine A.

In a Workcenter, Machine a Has a Ten Minute Set-Up