A time-study procedure involves timing a sample of worker’s performance and using it
to set a standard.
A waiting-line system with one waiting line and three sequential processing stages is a
multi-channel single-phase system.
Process maps use distance, but not time, to show the movement of material, product, or
people through a process.
The ES of an activity that has only one predecessor is simply the EF of that predecessor.
The master production schedule is a forecast of demand for families of products.
Measuring the impact of a capital acquisition on productivity is an example of
multifactor productivity.
In MRP, a “bucket” refers to a fixed order quantity, such as an EOQ.
Which of the following best describes Vizio’s supply chain
A) few suppliers
B) keiretsu
C) joint venture
D) vertical integration
E) virtual company
Four hundred and eighty minutes of production time are available per day. The schedule
calls for the production of 80 units per day. Each unit of the product requires 30 minutes
of work. What is the theoretical minimum number of workstations?
A) 2
B) 3
C) 4
D) 5
E) 6
Which of the following statements regarding scheduling at Delta Airlines is false?
A) About one flight in twenty is disrupted by weather events.
B) Schedule changes at one airport have a ripple effect that may have impacts in many
others.
C) Delta’s high-tech computer and communications system is located in Atlanta.
D) Delta’s rapid rescheduling uses mathematical scheduling models.
E) Delta’s rapid rescheduling promotes air safety and limits traveler inconvenience, but
has not resulted in money savings for Delta.
A contractor’s project being analyzed by PERT has an estimated time for the critical
path of 120 days. The sum of all activity variances is 81; the sum of variances along the
critical path is 64. The probability that the project will take 130 or more days to
complete is
A) 0.1057
B) 0.1335
C) 0.8512
D) 0.8943
E) 1.29
An assembly line is an example of a
A) product-focused process
B) process-focused process
C) repetitive process
D) line process
E) specialized process
The service sector has lower productivity improvements than the manufacturing sector
because
A) the service sector uses less skilled labor than manufacturing
B) the quality of output is lower in services than manufacturing
C) services usually are labor-intensive
D) service sector productivity is hard to measure
E) none of the above
“Automatic placement and withdrawal of parts and products into and from designated
places in a warehouse” describes
A) AGV
B) CAD/CAM
C) CIM
D) ASRS
E) FMS
A tortilla chip workstation produces 1,000 chips in 20 seconds. Its process time is
A) .02 seconds per chip
B) 50 chips per second
C) 20 seconds
D) 6000 chips per minute
E) none of the above
If a sample of parts is measured and the mean of the measurements is outside the
control limits, the process is
A) in control, but not capable of producing within the established control limits
B) out of control and the process should be investigated for assignable variation
C) within the established control limits with only natural causes of variation
D) monitored closely to see if the next sample mean will also fall outside the control
limits
E) none of the above
Two critical path activities are candidates for crashing on a CPM network. Activity
details are in the table below. To cut one day from the project’s duration, activity
__________ should be crashed first, adding __________ to project cost.
A) One; $400
B) One; $6,800
C) Two; $1,000
D) Two; $5,000
E) One or two should be crashed; $1,400
Nearsourcing helps compromise a company’s desire for __________ while still
providing some __________.
A) control, cost savings
B) quality, control
C) control, quality
D) quality, cost savings
E) political stability, quality
An industrial plant needs to make 100,000 parts per month to meet demand. Each
month contains 20 working days, each of which allows for 3 separate 8 hour shifts.
a. If a worker can produce 10 parts/hour, how many workers are needed on each shift?
b. If each shift has 100 workers, what is the productivity of an individual worker?
c. If material costs are $10/part, capital costs are $100,000 and labor costs are $10/hour,
what is the multifactor productivity of the plant from part A?
Gibson Valves produces cast bronze valves on an assembly line, currently producing
1600 valves per shift. If the production is increased to 2000 valves per shift, labor
productivity will increase by
A) 10%
B) 20%
C) 25%
D) 40%
E) 50%
The total cost of the optimal solution to a transportation problem
A) is calculated by multiplying the total supply (including any dummy values) by the
average cost
of the cells
B) cannot be calculated from the information given
C) can be calculated based only on the entries in the filled cells of the solution
D) can be calculated from the original northwest corner solution
E) is found by multiplying the amounts in each cell by the cost for that cell for each row
and then subtracting the products of the amounts in each cell times the cost of each cell
for the columns
What is the approximate forecast for May using a four-month moving average?
A) 38
B) 42
C) 43
D) 44
E) 47
Management and labor share the labor cost reductions in which of these compensation
schemes?
A) bonus system
B) quota system
C) Scantron plan
D) Scanlon plan
E) measured day work plan
The actual average observed time for a given job is 10 minutes. The performance rating
is 80%, and allowances are set by contract at 10%. What is the time standard?
A) 8.80 minutes
B) 8.88 minutes
C) 10 minutes
D) 19.0 minutes
E) 19.8 minutes
East Texas Seasonings is preparing to build one processing center to serve its four
sources of seasonings. The four source locations are at coordinates shown below. Also,
the volume from each source is provided. What is the center of gravity?
A) X = 28.125; Y = 31.25
B) X = 22000; Y = 24000
C) X = 27.5; Y = 40
D) center of gravity = 28
E) none of the above
Local optimization, incentives, and large lots all contribute to __________ about what
is really occurring in the supply chain.
Compare seasonal effects and cyclical effects.
The work by __________ regarding how people learn from each other’s successes led
to the field of cross-functional teamwork.
Identify three factors fueling the continuing growth of outsourcing.
What limitation(s) do decision trees overcome compared to decision tables?
Identify the specific guidelines that can help an operations manager achieve
environmentally friendly designs.