Accounting
Anthropology
Archaeology
Art History
Banking
Biology & Life Science
Business
Business Communication
Business Development
Business Ethics
Business Law
Chemistry
Communication
Computer Science
Counseling
Criminal Law
Curriculum & Instruction
Design
Earth Science
Economic
Education
Engineering
Finance
History & Theory
Humanities
Human Resource
International Business
Investments & Securities
Journalism
Law
Management
Marketing
Medicine
Medicine & Health Science
Nursing
Philosophy
Physic
Psychology
Real Estate
Science
Social Science
Sociology
Special Education
Speech
Visual Arts
Finance
Q:
42. Project managers can accept some (minimal) slack on the project critical path.
Q:
CPM methods should be used when the activity times are constant.
Q:
39. Network scheduling methods allow precise determination of the critical path, whereas Gantt charts cannot be used to determine the critical path.
Q:
The early start and late start times are equal for an activity on the critical path of a network.
Q:
Critical path method (CPM) network scheduling assumes that a second-order (nonlinear) time-cost trade-off exists.
Q:
A forward pass is required while computing the early start and early finish times of activities.
Q:
Which of the following statements is correct?
A. Good project management means removing all slack from the project schedule.
B. Crashing should be spread out and balanced across all the activities on the critical path.
C. Linear programming can be used to find the low-cost solution to complex crashing problems. D. All of the above.
Q:
Which of the following subjects are NOT included in the Project Management Institutes body of knowledge?
A. Project human resources.
B. Project procurement.
C. Project risk.
D. All of these subjects are included.
Q:
Which of the following statements concerning project closing is NOT correct?
A. Clearly defining what constitutes the end of the project is important.
B. After the project is formally closed, the product or results are turned over to the new owners.
C. Closing includes paying all bills and settling all subcontracts.
D. All of the above are correct statements.
Q:
Following the work breakdown structure, which activity is next?
A. A detailed time schedule is created for each activity.
B. A detailed budget is created for each activity.
C. A time-phased budget is created for the project.
D. None of the above.
Q:
In project management, a work breakdown structure is
A. a listing of the work assignments given to the project team members.
B. a detailed time schedule for each project activity.
C. a top-down listing of all the tasks needed to complete a project.
D. none of the above.
Q:
Project control is best maintained by
A. the project manager.
B. the cross-functional team.
C. the top managers who authorized the project.
D. a team member specifically assigned to control the project.
Q:
Given the information above, what is the project cost if the project is crashed by two days?
A. $250
B. $295
C. $500
D. None of the above.
Q:
Given the information above, what is the project cost if the project is crashed by one day?
A. $125
B. $250
C. $270
D. None of the above.
Q:
Given the information above, what is the LS time for activity B?
A. 5
B. 7
C. 9
D. 11
Q:
What is the normal project completion time, given the information above?
A. 11
B. 13
C. 14
D. 16
Q:
What is the critical path of the network, given the information above?
A. A-B-C-D.
B. A-B-D.
C. A-C-D.
D. Not enough information is provided.
Q:
For the network shown above, which statement is correct about activity C?
A. A and B must be completed before C.
B. C is a successor of E.
C. C is a predecessor of D.
D. All of the above.
Q:
What is the expected completion time of the project?
A. 11
B. 12
C. 13
D. 15
Q:
Which of the following is true for a critical activity?
A. ES = EF
B. EF = LS
C. LF = LS D. ES = LS
Q:
The longest series of connections in the project network from the start to the end of the activities is also referred to as
A. the action path.
B. the critical path.
C. the master schedule. D. float or slack.
Q:
Common characteristics of projects include all of the following EXCEPT
A. a large batch size, with projects replicated numerous times.
B. a large number of activities.
C. a cross-functional group of people (skill set). D.a stationary worksite, requiring labor, material, and equipment to be brought to the project.
Q:
Which of the following statements about critical path method (CPM) is true?
A.It is an example of a variable time project scheduling method.
B.It is well suited when activity times are expected to vary.
C.It is well suited when activity times are fairly constant and can be reduced by spending more money.
D.It is well suited for R&D projects and for scheduling computer systems.
Q:
"Slack" refers to the difference between
A.late and early times.
B.finish and start times.
C.observed and predicted times.
D.optimistic and pessimistic times.
Q:
Project managers work includes
.planning, scheduling, control, and closing.
B.planning, scheduling, starting, and ending.
C.scheduling, control, starting, and ending.
D.none of the above.
Q:
Project managers primary objectives include
.cost.
B.quality.
C.flexibility.
D.all of the above.
Q:
A forward pass of the above network (problem 8) indicates that the early start time of activities 4-5 is
A.4.
B.5.
C.3.
D.none of the above.
Q:
The critical path of the following network is A.1-3-4-5
B.2-3-4-5
C.2-3-5
D.more than one of the above.
Q:
Which of the following statements is true about a critical path?
A.It consists of activities for which early start time equals late start time.
B.The total time of activities on the path take the longest time.
C.There is no slack in the activities along the critical path.
D.All of the above.
Q:
Which of the following is NOT included in project control?
A.Monitoring costs, time, and performance.
B.Adhering to the budget.
C.Correcting the plan as necessary.
D.All of the above are included.
Q:
Gantt charts are effective for project scheduling if
A.activities are highly interconnected.
B.activity times are random.
C.the project contains simple activity sequences.
D.all of the above.
Q:
Project management requires
A.scheduling, planning, and controlling.
B.analytic skills.
C.behavioral skills.
D.all of the above.
Q:
Multiple critical paths can exist under the critical path method (CPM) because
A.there is more than one way to complete the project.
B.different network paths can have the same total time.
C.great flexibility of activity sequences is available.
D.none of the above.
Q:
The purpose of performing a forward pass is to
A.identify the critical path.
B.determine the early start and the early finish times.
C.determine the late start and the late finish times.
D.determine the slack available in the process.
Q:
The job of the project manager is to
A.control all costs.
.control costs, schedule, and performance of the project.
C.keep within the budget, no matter what.
D.all of the above.
Q:
What are the steps that could be taken at a bottleneck resource to increase its capacity?
Q:
The preemptive rule in a manufacturing setting is based on remaining time until the due date and the remaining processing time.
Q:
47.The greater the workload on a process, the less time jobs spend waiting in queues.
Q:
A bottleneck is the work center that has capacity greater than the demand placed on it.
Q:
A bottleneck should never be blocked or starved. Non-bottlenecks must function to keep the bottleneck at full utilization.
Q:
If the critical ratio of a job is greater than 1, the job is late.
Q:
First come, first served is widely used in both service and manufacturing firms.
Q:
The shortest process time (SPT) rule is better at meeting due dates when compared to the critical ratio rule.
Q:
Under the theory of constraints, throughput is defined as the difference between the sales and the operating expenses of a plant.
Q:
Finite capacity scheduling can be used to identify the bottleneck in a given process.
Q:
Below is the information pertaining to five jobs in process on October 22. Determine the sequencing of these five jobs at this machine using the critical ratio rule. Assume a seven-day workweek.
Job Remaining Arrival Date Due Date
Processing Time
A 2 days Oct. 12 Oct. 29
B 6 days Oct. 15 Oct. 28
C 5 days Oct. 18 Oct. 30
D 10 days Oct. 1 Oct. 31
E 8 days Oct. 10 Oct. 27 A. A-C-B-E-D
B. E-B-A-C-D
C. B-E-C-D-A
D. B-C-E-A-D
Q:
37. Concerning dispatching rules, which of the following is correct?
A. SPT is good at meeting due dates.
B. CR is good at efficiency and high throughput.
C. SPT is good at moving small jobs quickly through the process.
D. All of the above.
Q:
Starting with a due date and scheduling a job through work centers so that the job finishes at each work center just in time for the next center is called
A. forward scheduling.
B. backward scheduling.
C. theory of constraints scheduling.
D. batch scheduling.
Q:
When scheduling in the short run, there is a trade-off between which of the following?
A. Efficiency and inventory levels.
B. Efficiency and customer service.
C. Inventory levels and quality.
D. Inventory levels and customer service.
Q:
Which of the following is NOT typically addressed by advanced planning and scheduling (APS) software?
A. Finite capacity scheduling.
B. Constraint-based scheduling.
C. Plant-floor level job dispatching.
D. All of the above are addressed by APS.
Q:
Which of the following is a tactic for reducing demand pressure on a process bottleneck?
A. Place a quality inspection point immediately before the bottleneck.
B. Decrease the size of batches run through the bottleneck (assuming setup required).
C. Increase inventory levels at the non-bottleneck resources.
D. All of the above.
Q:
Which of the following is true regarding process throughput at a bottleneck?
A. Using general-purpose equipment in the process can decrease throughput.
B. Cross-training employees can decrease throughput.
C. Shifting bottleneck work to less efficient non-bottleneck centers can decrease throughput.
D. All of the above.
Q:
Finite capacity scheduling
A. is an extension of the theory of constraints.
B. requires that jobs be scheduled whole (they cannot be split).
C. schedules jobs through a number of work centers, each with one or more machines.
D. has all of the above properties.
Q:
The theory of constraints says that
A. queues should not be allowed to form in the plant.
B. bottleneck resources should be idle whenever possible.
C. the bottleneck is the most critical resource.
D. labor expense reduction should be the primary goal.
Q:
The three most important metrics according to the theory of constraints are
A. throughput, utilization, and inventory.
B. inventory, efficiency, and utilization.
C. efficiency, utilization, and operating expenses.
D. throughput, inventory, and operating expenses.
Q:
Below is the information pertaining to five jobs currently waiting to be processed on the same machine. Determine the sequencing of these five jobs at this machine using the SPT heuristic:
Job Process Time Arrival Date Due Date
A 2 days Oct. 12 Oct. 29
B 6 days Oct. 15 Oct. 28
C 5 days Oct. 18 Oct. 30
D 9 days Oct. 1 Oct. 31
E 7 days Oct. 10 Oct. 27
A. A-C-B-E-D
B. A-E-B-C-D
C. A-B-C-E-D
D. D-A-C-B-E
Q:
Which of the following statements about batch scheduling is INCORRECT?
A. Dispatching is used to determine the job priority at a work center.
B. The priority of a job, once determined, does not change as it progresses through the production process.
C. Finite scheduling in batch systems recognizes the limited processing capacity of the facility and does not allocate more capacity than is available.
D. The theory of constraints argues that scheduling can be improved by increasing capacity at bottleneck operations.
Q:
Which of the following is INCORRECT about the dispatch rule of shortest processing time (SPT)?
A. SPT is the minimum processing time rule.
B. SPT is very good for achieving higher efficiencies and throughputs.
C. SPT is very good in meeting due dates.
D. SPT improves the overall utilization of the process.
Q:
If the critical ratio for a job is less than 1,
A. the order is on schedule.
B. the order is behind schedule.
C. the order is ahead of schedule.
D. a calculation error was made because no such value is possible.
Q:
Output from the Gantt chart drawn for a machining process is shown below. Determine the makespan of the process.
Job Waiting Time (hr) Delivery Time (hr)
1 0 10
2 10 15
3 1 16 A. 10 hours
B. 15 hours
C. 13.667 hours
D. 16 hours
Q:
Given no constraints, how many possible sequences are there if five jobs are in the queue for an operation?
A. 24
B. 25
C. 120
D. 720
Q:
Which of the following statements concerning scheduling is INCORRECT?
A. Scheduling decisions allocate available capacity to jobs, activities, tasks, or customers.
B. Scheduling is typically performed prior to aggregate planning.
C. Scheduling results in a time-phased plan, representing what is to be done, when it should be done, who will do the work, and the equipment required for the work.
D. Scheduling seeks to resolve several conflicting objectives, including high efficiency, low inventories, and good customer service.
Q:
Theory of constraints, as it applies to business systems, is based on which of the following premises?
A.A business has the obligation to consider its responsibility to society.
B.The goal of a business is to make money now and in the future.
C.The goal of a business is to make inventory.
D.The goal of a business is to eliminate all constraints.
Q:
In the language of theory of constraints, inventory is
A.the rate at which the system generates money through sales.
B.equal to the number of orders shipped.
C.the raw material value of any goods being held in inventory.
D.the sales of the plant minus the cost of raw materials used to produce those sales.
Q:
According to Goldratt,
A.an hour lost at the bottleneck is an hour lost for the entire system.
B.a product coming out of a non-bottleneck is precious and should not be wasted.
C.maximizing the efficiency of all resources would generate money for the company.
D.utilization, productivity, and operating expenses are the three vital metrics of a process.
Q:
The theory of constraints (TOC) is
A.a strategic technique primarily used to reduce waste.
B.a strategic technique used to help firms effectively improve the rate at which raw materials are converted to finished goods and then money through sales.
C.a strategic technique used to balance capacity across all resources.
D.all of the above.
Q:
Shortest processing time (SPT) rule means
.the job with the least processing time is worked on next.
B.the job needed at the bottleneck is worked on next.
C.the same as critical ratio.
D.none of the above.
Q:
Lead time for completion of a job is a function of
A.capacity and demand.
B.capacity and priority decisions.
C.capacity and supply decisions.
D.none of the above.
Q:
For services, the most common priority dispatch rule is
A.critical ratio.
B.preemptive rule.
.first come, first served.
D.shortest processing time.
Q:
Critical ratio is
A.the ratio of processing time to idle time of the process.
B.the ratio of remaining time until due date to the remaining processing time.
C.greater than 1 if the job is behind schedule.
D.all of the above.
Q:
Which of the following statements is NOT true about finite capacity scheduling (FCS)?
A.FCS is an extension of Gantt chart methods.
B.FCS requires that jobs be loaded backward from due dates to determine the capacity required at each work center.
C.FCS assumes that jobs are scheduled through a number of work centers, each with one or more machines.
D.In FCS, attention is paid to scarce resources to facilitate job flow and to improve the performance of the shop.
Q:
Which of the following is NOT determined by Gantt charting?
A.The waiting time of each job.
B.Makespan of all jobs.
C.Resource utilization.
D.Finite capacity scheduling.
Q:
Which of the following is a performance measure for a Gantt chart?
A.Makespan.
B.Machine utilization.
C.Sum of the wait times for each job.
D.All of the above.
Q:
The reason(s) for batch scheduling being a complex management problem is/are
A.irregular flow of units with many starts and stops.
B.layout of the batch process by machine group or skills into work centers.
C.batches result in inventory or people waiting in queues.
D.all of the above.
Q:
Finite capacity scheduling assumes which of the following?
A.Jobs cannot be split into two or more parts.
B.Jobs cannot pass each other.
C.More than one job can be scheduled on a machine at a time.
D.Capacity is limited in each work center.
Q:
Scheduling systems answer all the following questions EXCEPT
A.What delivery date do I promise?
B.How much will the schedule cost?
C.When should I start each particular activity or task?
D.How do I make sure that the job is completed on time?
Q:
A bottleneck is
A.a resource that has the maximum capacity in the facility.
.a resource whose capacity is less than the capacity of all other resources and whose capacity is less than the demand placed on it.
C.a resource that blocks labor productivity.
D.a resource that has the fastest processing time.
Q:
Which of the following statements is NOT true about the theory of constraints (TOC)?
A.It was developed by Goldratt in his book "The Goal."
B.Operations should help to increase sales, as long as capacity is available.
C.Identifying the bottleneck in a process is critical for improving the overall flow through the process.
D.Increased utilization of a non-bottleneck would improve the operating performance in a factory.
Q:
Given the following information: Job
Workcenter/ Machine Hours 1
A/3, B/3, C/4 2
B/3, A/1, C/2 3
C/2, B/3, A/3 Use a Gantt chart to schedule the jobs in order 1, 2, 3 and assume that jobs cannot be split. What is the makespan?
A.12
B.9
C.14
D.3
Q:
The overriding problem in batch scheduling is
A.regulating input.
B.controlling output.
C.managing queues.
D.assigning labor.