A company’s accepted time studies are stored in a(n) ____________ for possible future
use.
a) file cabinet
b) time study vault
c) warehouse
d) jar
e) elemental time database
Consider a packaged milk products supply chain. A lumber company provides wood to
a paper mill, who supplies cardboard to a container manufacturer, who supplies
containers to the milk products manufacturer. The lumber company is:
a) a tier one supplier.
b) a tier two supplier.
c) a tier three supplier.
d) a tier four supplier.
e) not in the supply chain.
If the derived scatter diagram shows a non-linear but scattered relationship it indicates
that
a) there is a direct correlation between the two variables.
b) the two variables’ data was gathered at different times
c) a third variable needs to be added to the evaluation
d) there is no direct correlation between the two variables
e) you are using the wrong SPC chart
Statistical process control tools are used most frequently because
a) they are mathematically based
b) they are helpful in measuring and evaluating the quality of products
c) they are helpful in measuring and evaluating the customers’ needs
d) they are qualitative evaluation techniques
e) they provide a definitive ROI calculation
The time between order placement and the receipt of goods is called
___________________.
a) receipt time
b) lead time
c) allowance time
d) processing time
e) waiting time
Which of the following scheduling techniques can be used to identify resource
bottlenecks?
a) finite loading
b) infinite loading
c) forward scheduling
d) backward scheduling
e) input/output control
A SKU is a ______________ at a _____________ geographic location.
a) cost, uniquely identified
b) profit, generally classified
c) specific item, generally classified
d) specific item, particular
e) general item, particular
What are the most frequently used forecasting techniques?
a) Linear regression
b) Simple mean
c) Exponential smoothing
d) Weighted moving average
e) Econometric models
JIT production workers are expected to
a) Cover up quality problems
b) Ignore data
c) Take responsibility in getting to the root cause of quality problems
d) Blame problems on someone else
e) Have a poor attitude about quality
Which of the following is not considered to be a valid performance measure of a
waiting line system?
a) the average number of customers waiting in line
b) the average number of customers in the system
c) the average amount of time customers spend waiting
d) the arrival pattern
e) the system utilization rate
When was the just-in-time philosophy developed?
a) 1980s
b) 1930s
c) 1800s
d) 1700s
e) 1990s
How many different layout solutions are possible with 7 departments?
a) 7
b) 720
c) 28
d) 7000
e) 5040
What is the Hawthorne effect?
a) workers responding to the attention they are given
b) stopwatch time studies leading to time standards
c) the use of quantitative methods for solving management problems
d) the use of interchangeable parts
e) more lighting increases productivity
What are two logical ways in which to base the time between orders in a periodic
review system?
a) replenishment lead time or EOQ calculations
b) replenishment lead time or bottleneck cycle time
c) convenience or replenishment lead time
d) convenience or EOQ calculations
e) convenience or bottleneck cycle time
Capital Co. is considering which of five different projects to undertake in order to
maximize its net present value (NPV). Define Xias a binary (0-1) variable that equals 1
if project i is undertaken and 0 otherwise, for i = 1,2,3,4,5. The NPV and required
capital (in thousands) for each project are listed below.
Which of the following represents the constraint stating that project 1 can be undertaken
only if project 5 is undertaken?
a) X1+ X5≤ 1
b) X1– X5≤ 0
c) X5– X1≤ 0
d) X1– X5≤ 1
e) X5– X1≤ 1
Which of the following is the least useful sales forecasting model to use when sales are
increasing?
a) Trend adjusted exponential smoothing
b) Simple mean
c) Exponential smoothing
d) Weighted moving average
e) Naïve
An advantage of the chase aggregate plan is ____________________________.
a) workforce instability
b) excess hiring
c) space requirements
d) minimizes finished good holding costs
e) excessive purchase of additional tools and equipment
The following jobs are waiting to be processed at J. J. Rupper’s work center.
Customers usually do not pick up orders before the due date. Today is day 100. Using
the SPT priority rule, calculate the (a) mean flow time, (b) average number of jobs in
the system, and (c) average job tardiness.
Just-in-time relies on __________ worker skills, meaning the ability of workers to
perform many different tasks on many different machines.
a) Natural
b) Verbal
c) Intuitive
d) Manual
e) Cross functional
Formulate the following as a linear programming problem.
The Ski Company makes skis and snowboards. They are currently planning their
operations for October-December, and have just an exclusive signed contracts to sell up
to 4,000 pairs of skis and as many snowboards as they can make, to a company that
owns several sporting goods stores. The profit that Ski will make is $53 for each pair of
skis and $67 for each snowboard. Every pair of skis will require 7 hours from
Department A and 12 hours from Department B. Every snowboard will require 5 hours
from Department A and 19 hours from Department B. The total hours planned for
October-December is 44,535 hours in Department A and 93,217 hours in Department B.
For a continuous review policy, 92% order-cycle service level, and standard deviation
of replenishment lead time of 189.31 units, how many units of safety stock should be
held?
A business strategy is like an explorer’s ________________________.
Constrained optimization models can be used to either ____________ or ___________
some quantity based on a set of constraints
What is the formula for the indifference point Q* in the make-or-buy decision.
What JIT concepts are applicable to service organizations?