Saint GBA334 Week 6 quiz 4

Question 1. 1. Given the following distances between destination nodes, what is the minimum distance that connects all the nodes? Click here to view a Word version of the table. From To Distance 1 2 120 2 3 100 1 3 200 2 4 150 3 5 90 4 5 170 (Points : 3) 290 310 620 460 None of the above

Question 2. 2. A point in the network that is at the beginning or end of a route is called a(n) __________. (Points : 3) arc branch line node source

Question 3. 3. The shortest-route technique would best be used to: (Points : 3) plan the routes for a vacation driving tour. plan the route for a school bus. determine the path for a truck making frequent runs from a factory to a warehouse. All of the above None of the above

Question 4. 4. A technique that allows a researcher to determine the greatest amount of material that can move through a network is called __________. (Points : 3) maximal-flow maximal-spanning shortest-route maximal-tree

Question 5. 5. Assume that we are using a waiting line model to analyze the number of service technicians required to maintain machines in a factory. Our goal should be to: (Points : 3) maximize productivity of the technicians. minimize the number of machines needing repair. minimize the downtime for individual machines. minimize the percent of idle time of the technicians. minimize the total cost (cost of maintenance plus cost of downtime).

Question 6. 6. A vendor selling newspapers on a street corner is an example of a: (Points : 3) single-channel, multiphase system. single-channel, single-phase system. multichannel, multiphase system. multichannel, single-phase system. None of the above is correct.

Question 7. 7. Which of the following is not an assumption in common queuing mathematical models? (Points : 3) Arrivals come from an infinite, or very large, population. Arrivals are Poisson distributed. Arrivals are treated on a first-in, first-out basis and do not balk or renege. Service rates follow the normal distribution. The average service rate is faster than the average arrival rate.

Question 8. 8. The term queue "discipline" describes the: (Points : 3) degree to which members of the queue renege. sequence in which members of the queue arrived. degree to which members of the queue are orderly and quiet. sequence in which members of the queue are serviced. All of the above are correct.

Question 9. 9. An arrival in a queue that reneges is one who: (Points : 3) after joining the queue, becomes impatient and leaves. refuses to join the queue because it is too long. goes through the queue, but never returns. jumps from one queue to another, trying to get through as quickly as possible. None of the above is correct.

Question 10. 10. The customer who arrives at a bank, sees a long line, and leaves to return another time is __________. (Points : 3) balking cropping reneging blithering none of the above