Questions and Answers of Operations Management 6th

What is the difference between a rolling hub and a directional hub?
Why does point- to- point service cost less to operate than connecting service through a hub?
What are the requirements for a successful hub city?
Why are small cities dependent on hub- and- spoke systems for air travel?
Explain why low- cost airlines often operate a single fleet type whereas full- service network carriers use several different aircraft types.
Airfares for flights originating in an airline’s major hubs are often higher than in other city pairs of similar distance and city sizes. What may cause this price disparity?
In the same city pair, should an airline be able to charge a different fare for a pointto-point service versus a single connection at its hub?
How can airlines that do not operate any of the same routes be competitors?Provide a current example.
What is the “Marketing Concept” and why do marketers consider it essential in a competitive economy?
List some things (product attributes) airline passengers want from their flight?
Why can’t an airline offer a passenger everything she or he wants?
List and describe the business models of each airline category.
Use the Airline Product Design model to compare two airlines from different categories.
Why are FSNCs dependent on passengers traveling for business for profitability?
How do LCCs, and especially ULCCs, keep costs low compared with other categories of passenger airlines?
Why have many FSNCs split their economy cabin into premium and basic economy sections?
How do hybrid carriers fill the gap between LCCs and FSNCs?
How do the needs of air freight shippers differ from airline passengers for air transportation?
List and describe the business models of the three types of air cargo airlines.
The schedule of services represents the foundation or basis of the airline product(product attributes such as cabin configuration are also important). What is the economic objective of the schedule?
Explain why a mixed fleet, particularly airplanes of different seating capacity, can increase revenue potential and, therefore, profitability? If so, why do Southwest and Ryanair only operate Boeing
How are unit costs (cost per available seat mile, CASM) lowered with higher asset utilization (for example, how is the CASM of an aircraft lowered by flying more hours per day)?
How can slack resources (such as a spare aircraft) improve schedule reliability?(Note that this is true for any production process.) If schedule reliability increases revenue through improved
Why is the pairing development process critical to an airline’s cost control?
What are the pros and cons of the three different pairing assignment methods used by airlines.
How might a constraint such as available gates at an airport reduce the schedule of services revenue potential?
What are the typical causes of irregular operations? Which is most common?
Why is a hub- and- spoke route structure more vulnerable to large- scale weather disruption than a point- to- point or linear system?
Why has the AOCC evolved?
What functions are typically located within AOCC? Describe the responsibility of each.
Why is continuous improvement critical to the success of any business operating in a competitive environment?
Describe the Control Process. How can it lead to Continuous Improvement?
What are some of the metrics (measures) that an airline tracks to control and improve its operations?
Identify some applications of bar code technology at your school. Would switching to RFID technology for any of these applications be cost effective?
Alan Daniluk owns and operates an auto service shop in London, Ontario, that he has been running for the past five years. Alan’s Autos provides various services, including lighting, suspension
Alice Horowitz is the manager of a popular restaurant in downtown Ottawa called the Blue Bird Bistro. She was reading some recent negative ratings and reviews and discovered most of the negative
Assume service times are exponentially distributed with an average of 1.1 minutes. How many booths should CBSA open during each hour of the day to assure average wait times in the queues are less
During busy periods (9:00 a.m.-11:30 a.m. and 2:00 p.m.-3:45 p.m.), the central appointment office receives 40 calls per hour, on average. Each call takes an average of 3.11 minutes to serve. It is
With its cool alpine climate and majestic mountain ranges, featuring tremendous vertical drops and copious amounts of snow, Alberta is home to several world class ski resorts. At a small and highly
An average of 18 customers arrive at a service centre each hour according to a Poisson distribution. There are two servers on duty, and each server can process 12 customers per hour according to an
Many of a bank's customers use its automated banking machine (ABM). During the early evening hours in the summer months, customers arrive at the ABM at the rate of one every other minute (assume
λ = 3 customers/hourμ = 5 customers/hourM = 1a. What is the server utilization?b. What is the average number of customers waiting for service?c. What is the average time customers wait in line for
Contact a manager of a local business. Determine the average arrival rate and average service rate at one of these operations: a fast-food restaurant, supermarket, post office, or bank branch.a. For
Some airlines use priority seating when boarding passengers with first class customers boarding first. Is this ethical?
What general trade-offs need to be carefully considered when making waiting-line decisions?
Under what circumstances would a multiple-servers-with priority model be appropriate?
What are some psychological approaches to managing waiting lines, and why might a manger want to use them?
Give an example where the distribution of interarrival times is not Poisson.
Name two ways the number of servers can be determined.
Name two ways the number of servers can be determined.
Is Model 1 a special case of Model 5? Explain.
What is the difference between Wq and Ws?
What effect would decreasing arrival and service variability have on the waiting line?
At the top of the next page are the required activities of the fire protection bid package of the building project referred to in Problem 18, including their expected duration (in working days) and
The following is a list of activities/work packages and their precedence and duration, for a new-plant start-up project. Draw the precedence network, calculate earliest and latest times, and
Visit http://www.stantec.com/search.html?q=project+management&searchFilter=projects, choose a project, and summarize Stantec's project management role.
Visit http://www.wsp-pb.com/en/WSP-Canada/Careers/Join-Our-Team/Available-position/, find a project manager job ad, and summarize its duties.
Visit https://www.innotas.com/customers-success-stories, choose a customer, and briefly summarize the benefits of the project (portfolio) management software to the customer.
Visit https://products.office.com/en-ca/project/project -customer-stories, choose a customer, and identify the types of projects for which the customer is using Microsoft Project.
Read one of the following Deltek case studies, and summarize it.a. https ://www.deltek.com/-/media/customer%20testimonial %20pdf/ppm/ cs_boeing.ashx ?la=en.b. https
Visit https://www.pmi.org/business-solutions/case-studies, choose a case study, and summarize it.
What kind of ethical issues arise in project management?
State briefly how technology can assist in project management.
Who needs to be involved in project management?
Name two issues that can arise in project management.
How does PCL ensure on-time completion of a project?
What is the design-build method of construction delivery? Give an example.
What is involved in ExxonMobil's Capital Project Management System?
What does project control involve?
Describe project execution.
What is a critical activity?
Explain the difference between matrix-based and project based organizational structure.
What are the phases of a project?
What trade-off is involved in job scheduling decisions?
What is the trade-off in selecting a transportation mode?
What is the assignment model? Briefly describe Hungarian method for the assignment model.
Given the information in the following table, determine a processing sequence that will minimize the average flow time. Job Processing Time (days) Due Date A 5 8 B 9. 10 D 7 12 E 10 LO
Describe the CDS heuristic.
Describe Moore's rule.
How is airline pilot scheduling done?
Describe Johnson's rule.
What is shift scheduling and how is it done, assuming three-to eight-hour shifts?
Use the Hungarian method to obtain a plan that will minimize total processing cost in the following table under these conditions:a. The combination 2-D is undesirable.b. The combinations 1-A and 2-D
Develop an assignment plan for three workers that will minimize total cost, given the information shown below, and interpret your answer. WORKER A B 12 8 11 Job 2 13 10 8 3 14 14 4 10 7. 12 1,
MRP assumes infinite loading. Explain.
Assign five trucks to five delivery routes so that total cost is minimized, given the cost data shown below. What is the total cost? ROUTE A B C DE 1 8 7 2 6 4 8. 3 5 Truck 3 10 4 6. 4 2 5 8 5 6 5 3
How does your city sequence or prioritize snow plowing?
What is loading?
How do you schedule your homework assignments?
What is job scheduling?
Use the Hungarian method to determine the best way to assign three workers to three jobs, given the following cost information. Calculate the total cost for your assignment. JOB A B 1 5 8 6 Worker 6
Visit http://www.preactor.com/getdoc/bdd42227-ld4b-4660-ab8b-99b0005de92b/North-America.aspx. Choose a case study not used in the chapter and summarize it.
Visit a fast-food restaurant, a supermarket, a hospital, or another service and ask a manager about staff scheduling, covering these questions:a. Who does it?b. How frequently is it done?c. Is any
1. What are the advantages of the computerized open market system for bidding for shifts?2. What are the disadvantages of the computerized open market system for bidding for shifts?Zappos, the online
How should the production scheduler sequence the production of these products?The production scheduler of Scotsburn Dairy in Truro, NS, has just received a list of products and their desired lot size
Consider the host/seater job in a full-service restaurant. Suppose that it takes an average of 2.5 minutes to greet a group of customers, check their reservation, and seat them. The expected number
The following table shows jobs to be processed at a machine. Determine the processing sequence that will minimize total number of late jobs. Processing Time Due Date Job (days) (days) A 3 4 5 5 10 D
Refer to Example 16-8. Use the shift scheduling heuristic to determine shifts for:a. Counter staff.b. Assembly board staff.
What is the fastest way to board the passengers on an aircraft?
Processing times (including setup times) for five jobs that arrived today and are waiting to be processed in the same order on three machines in a shop are given below. Determine the sequence of jobs

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