BSIE Production Management 2

Question 1

Which scheduling rule minimizes the average number of jobs waiting in a queue by always processing the shortest job first?

Accepted Answer

Shortest Processing Time (SPT)

Answer

SPT (Shortest Processing Time) minimizes mean flow time and average number of jobs in the system.

Question 2

In a pull production system, what triggers the release of a production order?

Accepted Answer

Downstream demand or consumption

Answer

Pull systems release work only when downstream stages signal actual consumption, as in kanban.

Question 3

The Economic Order Quantity (EOQ) model assumes which of the following?

Accepted Answer

Holding and ordering costs are constant and known

Answer

EOQ's classical formulation requires constant, known demand and fixed holding and ordering costs.

Question 4

Which type of plant layout groups machines by the type of process or function they perform?

Accepted Answer

Process layout

Answer

Process (functional) layout arranges equipment by function, such as all lathes in one area and all mills in another.

Question 5

Takt time is calculated as:

Accepted Answer

Total production time divided by total units required

Answer

Takt time = available production time ÷ customer demand rate, setting the pace for production.

BSIE - Bachelor of Science in Industrial Engineering Practice Test