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1) Although lean systems tend to produce standardized product lines, to provide
production variety without accompanying waste, lean producers often use __________
in __________.
A.standardized parts; modular designs
B.jidoka parts; kaizen designs
C.modular parts; flexible designs
D.capable parts; automated designs
E.heijunka parts; kanban designs
2) A service garage uses 120 boxes of cleaning cloths a year. The boxes cost $6 each.
Ordering cost is $3 and holding cost is 10 percent of purchase cost per unit on an annual
basis.
Determine:
(A) the economic order quantity
(B) the total cost of carrying the cloths (excluding purchase price)
(C) the average inventory
D = 120 boxes per year
S = $3
H = .10($6) = $.60 per box-year
3) Which sample proportion will require the largest number of work sampling
observations?
A..05
B..25
C..50
D..75
E..95
4) Activity C has an early start time of 8, an early finish time of 12, a latest start time of
13, and a latest finish time of 17 . Its slack is:
A.0
B.1
C.4
D.5
E.9
5) The ability of a sampling plan to discriminate between lots of high quality and lots of
low quality is described by:
A.a Gantt chart.
B.an operating characteristic curve.
C.an average outgoing quality curve.
D.a process control chart.
E.a range chart.
6) A technique for estimating the proportion of time a worker spends on various
activities is:
A.stopwatch time study.
B.standard elemental (historical) times.
C.simultaneous motion study.
D.predetermined (published) time standards.
E.work sampling.
7) Simulation to produce an aggregate plan:
A.will produce the best plan.
B.is the most widely used technique.
C.is easy to implement.
D.will produce a plan that may not be the best plan.
E.requires a minimum of four iterations to be accurate.
8) Which of the following, while desirable from some perspectives, might actually
increase the risk of supply chain reductions?
(I) fewer supply chain partners
(II) a shorter supply chain
(III) greater supply chain visibility
A.I and II only
B.II and III only
C.I and III only
D.I only
E.I, II, and III
9) Little's law states that the number of people in a waiting line is the average customer
arrival rate multiplied by the:
A.average time in the system.
B.average waiting time.
C.service time minus the waiting time.
D.average number in line.
E.waiting time.
10) Short-term considerations in determining capacity requirements include:
A.demand trend.
B.cyclical demand variations.
C.seasonal demand variations.
D.mission statements.
E.new product development plans.
11) The maker of the world-famous Chocolate Chip Cookies needs to design a product
layout for a new product, Mint Chocolate Chip. The company plans to use this new
production line eight hours a day in order to meet projected demand of 1,440 cases per
day. The following table describes the tasks involved in the production of a Mint
Chocolate Chip Cookie.
Without considering projected demands, what is the minimum possible cycle time for
this production line?
A.54 seconds
B.14 seconds
C.12 seconds
D.10 seconds
E.4 seconds
12) In work sampling, observations should be taken:
A.at the same time each day.
B.within a short period of time.
C.at randomly determined times.
D.once every hour.
E.once every day.
13) The Malcolm Baldrige National Quality Award aims to:
(I) publicize successful quality programs.
(II) recognize quality achievements of U.S. companies.
(III) stimulate efforts to improve quality.
(IV) distribute the grant money available for improved quality.
A.I and IV only
B.I and II only
C.II and III only
D.I, II, III, and IV
E.I, II, and III only
14) A nonlinear cost related to order size is the cost of:
A.interest.
B.insurance.
C.taxes.
D.receiving.
E.space.
15) Which of the following would be least important in the pursuit of a time-based
strategy?
A.cost minimization
B.quick changeover times
C.operational agility
D.reduced complaint resolution times
E.flexible technology
16) Which of the following might be used to indicate the cyclical component of a
forecast?
A.leading variable
B.mean squared error
C.Delphi technique
D.exponential smoothing
E.mean absolute deviation
17) A visual depiction of the subassemblies and components that are needed to produce
and/or assemble a product is called a(n):
A.assembly time chart.
B.product structure tree.
C.MRP II.
D.pegging.
E.Gantt chart.
