Consider the System Composed of Four Processes Linked by a Conveyor

Multiple Choice

Consider the system composed of four processes linked by a conveyor belt. There is no storage between these processes pictured below and market demand of 40 units per hour drives the conveyor belt. Assume that no defective units are made. Which statement is best?

A) The average time a unit spends in Process 1 is 2 and a half minutes.
B) The average time a unit spends in Process 2 is 5 minutes.
C) The flow time for a unit through the entire process is 33 minutes.
D) The flow rate through the entire process is 160 units per hour.