MSOM 3101 Final
Which of the following statements is NOT true about the process capability ratio?
A capable process has a process capability ratio less than one.
multiple-server, multiphase system
A concert hall, employing both ticket takers and ushers to seat patrons, behaves typically as which of the following?
exponential smoothing forecast.
A forecast based on the previous forecast plus a percentage of the forecast error is a(n):
cost of moving between various work areas, environment and aesthetics, capacity and space requirements, material handling equipment.
A good layout requires determining:
operations
A large percentage of the revenue of most firms is spent on which function?
all demand and supply constraints are satisfied.
A transportation problem has a feasible solution when:
The problem will require a dummy supply with a capacity of 10 units.
A transportation problem has two origins: A can supply 20 units and B can supply 30 units. This problem has two destinations: C requires 25 units and D requires 35 units. Which of the following is true?
0.33
A waiting line model meeting the assumptions of M/M/1 has an arrival rate of 2 per hour and a service rate of 6 per hour. What is the utilization factor for the system?
intermediate term
Aggregate planning is concerned with determining the quantity and timing of production in the
multiple-server, single-phase system
An airline ticket counter, with several agents for one line of customers, is an example of which of the following?
at the intersection of at least two constraints.
An optimal solution to a linear programming problem MUST lie
job shop
A hospital's layout most closely resembles which of the following?
steel making
A product-oriented layout would be MOST appropriate for which one of the following businesses?
Managing quality helps build successful strategies of
Differentiation, low cost and response
actual output divided by effective capacity.
Efficiency is given by
58.9
Given an actual demand this period of 61, a forecast for this period of 58, and an alpha of 0.3, what would the forecast for the next period be using exponential smoothing?
postoptimality analysis
In linear programming, what is another name for sensitivity analysis?
create a dummy source
In transportation modeling, what do we do if total demand is greater than total supply?
create a dummy destination
In transportation modeling, what do we do if total supply is greater than total demand?
resources.
Linear programming is a mathematical technique designed to help operations managers plan and make decisions necessary to allocate
CR: Critical ratio
Of the following sequencing rules, which is considered to be dynamic?
flexibility in equipment and labor assignment
One of the major advantages of process-oriented layouts is:
minimizing the imbalance in the workloads among workstations
The central problem in product-oriented layout planning is:
production
The creation of goods and services is referred to as:
Min{LS of all immediate following activities}.
The latest finish of an activity is
minimize the costs of material handling
The most common tactic followed in process-layout planning is to arrange departments or work centers so they:
provide a statistical signal when assignable causes of variation are present.
The objective of a statistical process control (SPC) system is to
minimizing cost
The objective of aggregate planning is to meet forecast demand while ________ over the planning period.
meet forecast demand while minimizing cost over the planning period
The objective of aggregate planning is usually to
strike a balance between inventory investment and customer service.
The objective of inventory management is to
measure forecast accuracy.
The primary purpose of the mean absolute deviation (MAD) in forecasting is to:
total shipping costs
The purpose of the transportation approach for location analysis is to minimize which of the following?
decision tables and decision trees
The text presents which two analytic tools to help with decision making?
planning, scheduling, and controlling.
The three phases involved in the management of large projects are
linear programming problems
The transportation method is a special case of the family of problems known as what?
timing of orders and order quantity.
The two most basic inventory questions answered by the typical inventory model are:
process capability ratio and process capability index.
The two popular measures for quantitatively determining if a process is capable are
worker A assigned to job 2 and worker B assigned to job 1
There are two jobs to be assigned to two workers. The profit for worker A on job 1 is $5 and on job 2 is $8. The profit for worker B on job 1 is $10 and on job 2 is $12. How should the work be divided using the assignment method?
product oriented
The ________ layout's main objective is to equalize the task time for each station.
determining what to benchmark.
To develop a standard or benchmark, firms need to start with
square
What decision tree symbol represents a decision node?
circle
What decision tree symbol represents a state-of-nature node?
alternative
What is a course of action or strategy that may be chosen by a decision maker?
objective function
What is a mathematical expression in linear programming that maximizes or minimizes some quantity?
break-even analysis
What is a means of finding the point, in dollars and units, at which costs equal revenues?
payoff table
What is an alternative name for a decision table?
sources
What is an alternative name for origin points within transportation modeling?
state of nature
What is an occurrence or a situation over which the decision maker has little or no control?
EMV
What is the most commonly used criterion for decision tree analysis?
prioritize and allocate demand to available facilities
What is the objective of scheduling?
design capacity
What is the theoretical maximum output of a system in a given period under ideal conditions?
bottleneck time
What is the time of the slowest workstation in a production system?
3 to 18 months
What is the typical time horizon for aggregate planning?
shadow price
What is the value of one additional unit of a scarce resource in LP?
process-oriented layout
What layout strategy deals with low-volume, high-variety production?
the fixed cost of operating each origin point
Which of the following is NOT a requirement for using the transportation model?
MRP (finished goods, work-in-process, & raw material ARE inventory)
Which of the following is NOT a type of inventory?
multiple regression
Which of the following is NOT a time-series model?
research and development
Which of the following is NOT considered to be one of the three primary functions that all organizations perform?
Quantity discounts are possible.
Which of the following is NOT one of the basic assumptions of the basic EOQ model?
A. to take advantage of quantity discounts B. to provide a selection of goods for anticipated customer demand and to separate the firm from fluctuations in that demand C. to decouple various parts of the production process D. to hedge against inflation E. All of the above are functions of inventory. Answer: E
Which of the following is a function of inventory?
A. average queue length B. average waiting time in the line C. probability of a specific number of customers in the system D. utilization factor for the system E. all of the above Answer: E
Which of the following is a measure of queue performance?
Delphi method
Which of the following is a qualitative forecasting method?
exponential smoothing
Which of the following is a quantitative forecasting method?
kaizen
Which of the following is the Japanese term used to describe continuous improvement efforts?
EDD: Earliest due date
Which of the following priority rules minimizes maximum tardiness?
SPT: Shortest processing time
Which of the following priority rules minimizes the average number of jobs in the system?
toll booth serving automobiles on an interstate
Which of the following represents an unlimited queue?
LS and LF
Which of the following sets is determined during a backward pass?
Aggregate plans use information regarding individual products rather than product lines.
Which of the following statements is NOT true regarding aggregate plans?
0.10 (out of 0.22, 0.5, 0.9)
Which of the following values of alpha would cause exponential smoothing to respond the SLOWEST to forecast errors?
marketing (scheduling, layout strategies, and managing quality are)
Which of these is NOT one of the 10 strategic OM decisions?
standard time
Which of these time estimates is NOT used in PERT?
single server
Which one of the following is NOT a characteristic of a Model B or M/M/S system?
c-chart
Which type of control chart should be used when it is possible to have more than one mistake per item?
maximin
Which decision-making rule is known as a "pessimistic" decision criterion?
The assignment method is:
a form of linear programming for optimally assigning tasks or jobs to resources.
The correct sequence from longest to smallest duration scheduling is:
capacity planning, aggregate planning, master schedule, short-term scheduling.
The objective of layout strategy is to
develop an effective and efficient layout that will meet the firm's competitive requirements.
With respect to PERT and CPM, slack
is the amount of time a task may be delayed without changing the overall project completion time.
The critical path of a network is the
longest time path through the network.
Process capability
means that the natural variation of the process must be small enough to produce products that meet the standard.
The American Society for Quality defines quality as
the totality of features and characteristics of a product or service that bears on its ability to satisfy stated or implied needs.
the transportation method
"An optimal plan for minimizing the cost of allocating capacity to meet demand over several planning periods" best describes which of the following?
