Question 1

Which of the following is not a suggestion for managing queues presented in the textbook?

Accepted Answer

Determining an acceptable waiting time for customers is more about setting internal standards and expectations rather than managing queues directly. Queue management strategies typically involve actions that directly affect how queues are formed, managed, or perceived by customers, such as training servers, segmenting customers, informing them of wait times, and encouraging visits during less busy periods.

Question 2

Which of the following is an example of a finite population in a queuing system?

Accepted Answer

The departmental faculty waiting in line at the copier is an example of a finite population because it refers to a specific group of people (faculty members) who are all known and identifiable within the system. The other options refer to situations where the population may be infinite or unknown, such as fast-food customers, ATM users, hospital patients, and taxpayers calling for assistance.

Question 3

For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?

Accepted Answer

The mean time between arrivals in a queuing system is the inverse of the arrival rate. Therefore, for an arrival rate of 5 trucks per hour, the mean time between arrivals is 1/5 hour, which is 0.2 hour.

Question 4

Which of the following is not a suggestion for managing queues presented in the textbook?

Accepted Answer

All of the other options (A, B, C, and D) are suggestions for managing queues presented in the textbook, while option E is not. The suggestion to periodically close the service channel to temporarily disperse the line is not mentioned in the textbook as a recommended strategy for managing queues.

Question 5

A roller-coaster ride in an amusement park employs which type of queuing system line structure?

Accepted Answer

The answer of A roller-coaster ride in an amusement park...

Question 6

Which of the following is not a queue discipline discussed in the textbook?

Accepted Answer

The answer of Which of the following is not a...

Question 7

Which of the following are the three major components of a queuing system?

Accepted Answer

The three major components of a queuing system are the following:

1. The arrival process: It includes the way customers arrive at the system and the characteristics of the source population.

2. The service system: It includes the number of servers and the service speed.

3. The queue discipline: It includes how customers exit the system, how they are served, and the waiting line.

Question 8

Buying food at a large food store with multiple checkout counters features which type of queuing system line structure?

Accepted Answer

The situation described features multiple checkout counters, indicating that there are multiple channels for customers to select. However, each customer only goes through one phase of the queue (i.e. selecting and paying for their items), indicating a single phase system. Therefore, the best choice is a multichannel, single phase system.

Question 9

Getting an autograph from a famous person might involve standing in which type of queuing line structure?

Accepted Answer

A single channel, single phase queue involves one line and one step in the process, which is typical for getting an autograph where each fan waits in line to meet the celebrity one at a time.

Question 10

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Accepted Answer

The answer of Which of the following is a suggestion...

Question 11

Which of the following is a suggestion for managing queues presented in the textbook?

Accepted Answer

Training servers to be friendly can improve customer satisfaction and make the waiting experience more pleasant.

Question 12

Assume the service rate for a queue in a truck-loading operation is 2 trucks per hour. Using the infinite queuing notion for the models presented in the textbook, which of the following is the average service time?

Accepted Answer

The average service time is the inverse of the service rate. Since the service rate is 2 trucks per hour, the average service time is 1/2 = 0.5 hour.

Question 13

Standing in line to buy a ticket for a movie where there are multiple windows at which to buy tickets is which type of queuing system line structure?

Accepted Answer

In this queuing system, there are multiple channels (ticket windows) available for customers to buy tickets, but there is only one phase (buying a ticket). Therefore, it is a multichannel, single phase queuing system.

Question 14

Machine breakdown and repair in a 12-machine factory having three repair mechanics would develop which type of queuing system line structure concerning machine breakdowns?

Accepted Answer

The queuing system in this scenario would involve multiple channels (repair mechanics) and a single phase (machine breakdowns). This is because each repair mechanic can only work on one machine at a time (single channel), but there are multiple mechanics available (multichannel) to handle the breakdowns. Therefore, choice C, multichannel single phase, is the best option for describing the queuing system for machine breakdowns and repairs in this factory.

Question 15

Machine breakdown and repair in a 12-machine factory having one repair mechanic would develop which type of queuing system line structure concerning machine breakdowns?

Accepted Answer

The scenario describes a situation where there is one repair mechanic (channel) handling breakdowns for multiple machines, and the repair process itself is a single step (phase), making it a single channel, single phase queuing system.

Question 16

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Accepted Answer

The answer of Which of the following is a suggestion...

Question 17

Which of the following queue disciplines is discussed in the textbook?

Accepted Answer

The answer of Which of the following queue disciplines is...

Question 18

In a college registration process, several department heads have to approve an individual student's semester course load. What is the queuing system line structure?

Accepted Answer

The process involves a single queue (the student moving through the registration process) but multiple phases (approvals from several department heads), making it a single channel, multiphase system.

Question 19

Buying a ticket for a college football game where there are multiple windows at which to buy the ticket features which type of queuing system line structure?

Accepted Answer

A multichannel, single phase queuing system allows for multiple lines or channels serving the same type of customer, but there is only one phase of service. In this scenario, each ticket window would be a different channel, but they would all be selling the same type of ticket.

Question 20

In essence, a queuing system includes several major components. Which of the following is not one of them?

Accepted Answer

The answer of In essence, a queuing system includes several...

Quiz 10: Waiting Line Analysis and Simulation

Which of the following is not a suggestion for managing queues presented in the textbook?

Which of the following is an example of a finite population in a queuing system?

For an infinite queuing situation, if the arrival rate for loading trucks is 5 trucks per hour, what is the mean time between arrivals?

Which of the following is not a suggestion for managing queues presented in the textbook?

A roller-coaster ride in an amusement park employs which type of queuing system line structure?

Which of the following is not a queue discipline discussed in the textbook?

Which of the following are the three major components of a queuing system?

Buying food at a large food store with multiple checkout counters features which type of queuing system line structure?

Getting an autograph from a famous person might involve standing in which type of queuing line structure?

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Which of the following is a suggestion for managing queues presented in the textbook?

Assume the service rate for a queue in a truck-loading operation is 2 trucks per hour. Using the infinite queuing notion for the models presented in the textbook, which of the following is the average service time?

Standing in line to buy a ticket for a movie where there are multiple windows at which to buy tickets is which type of queuing system line structure?

Machine breakdown and repair in a 12-machine factory having three repair mechanics would develop which type of queuing system line structure concerning machine breakdowns?

Machine breakdown and repair in a 12-machine factory having one repair mechanic would develop which type of queuing system line structure concerning machine breakdowns?

Which of the following is a suggestion for managing queues that is mentioned in the textbook?

Which of the following queue disciplines is discussed in the textbook?

In a college registration process, several department heads have to approve an individual student's semester course load. What is the queuing system line structure?

Buying a ticket for a college football game where there are multiple windows at which to buy the ticket features which type of queuing system line structure?

In essence, a queuing system includes several major components. Which of the following is not one of them?