ISDS 3115 Final

E

A common method used to increase capacity with a lag strategy is A. overtime B. subcontractors C. new facilities D. new machinery E. A and B

D

A hospital's layout most closely resembles which of the following? A. product oriented B. work cell C. project D. job shop E. retail

A

A tortilla chip workstation produces 1,000 chips in 20 seconds. Its process cycle time is A. 50 chips per second B. 20 seconds C. 6000 chips per minute D. .02 seconds per chips E. none of the above

A

A tortilla chip workstation produces 1000 chips in 20 seconds. What is its bottleneck time? A. .02 seconds per chip B. 20000 seconds C. 20 seconds D. 50 chips per second E. 6000 chips per minute

B

A work system has five stations that have process times of 5, 9, 4, 9, and 8. What is the process cycle time of the system? A. 4 B. 9 C. 18 D. 35 E. none of the above

D

A work system has five stations that have process times of 5, 9, 4, 9, and 8. What is the product process cycle time? A. 4 B. 9 C. 18 D. 35 E. none of the above

C

A work system has five stations that have process times of 5,9,4,9 and 8. What is the bottleneck time? A. 35 B. 4 C. 9 D. 7 E. 18

D

A work system has five stations that have process times of 5,9,4,9, and 8. What is the throughput time of the system? A. 9 B. 4 C. 7 D. 35 E. 18

B

An assembly line has 10 stations with times of 1,2,3,4,..., 10, respectively. What is the bottleneck time? A. 1.82% of the throughput time B. 18.18% of the throughput time C. 550% of the throughput time D. 100% of the throughput time E. 50% of the throughput time

E

Currency risk is based on what assumption? A. firms that do not continuously innovate will lose market share B. changing product lines by reacting to every current trend may alienate the customer base C. the U.S. stock market fluctuates daily D. the value of one dollar today is greater than the value of one dollar to be received one year from now E. values of foreign currencies continually rise and fall in most countries

E

If safety stock is desired, it should be built into which portion of MRP? A. any B. none C. raw materials D. finished goods E. either C or D

A

In "drum, buffer, rope," what provides the schedule, i.e. the pace of production? A. drum B. buffer C. rope D. all three of the above in combination E. none of the above

C

JIT makes quality cheaper because: A. the cost of low quality can be hidden as inventory cost B. JIT adds more buffers to the system C. JIT prevents long runs of defects D. B and C E. A, B, and C

C

Lag and straddle strategies for increasing capacity have what main advantage over a leading strategy? A. they are cheaper B. they are more accurate C. they delay capital expenditure D. they increase demand E. all of the above

A

Most inventory models attempt to minimize: A. total inventory-based costs B. the safety stock C. the number of items ordered D. the likelihood of a stockout E. the number of orders placed

T

One limitation of the net present value approach to investments is that investments with identical net present values may have very different cash flows. T/F

F

Possible decision alternatives found in capacity EMV problems are future demands or market favorability. T/F

C

Q is to _______ systems as P is to ______ systems A. variable lead time, variable demand B. quality, price C. fixed quantity, fixed period D. variable quantity, variable period E. variable demand, constant demand

D

Retail layouts are based on the notion that" A. handling costs should be minimized B. space used should be minimized C. average customer visit duration should be maximized D. maximizing customer exposure rate maximizes sales and profit E. storage costs should be minimized

E

Service level is: A. the probability of stocking out B. the probability of not stocking out C. something that should be minimized in retail D. calculated as the cost of a shortage divided by (the cost of shortage + the cost of overage) for single-period models

F

Substantial research has proved that the only successful method of dealing with bottlenecks is to increase the bottleneck's capacity. T/F

D

TOC strives to reduce the effect of constraints by A. offloading work form constrained workstations B. increasing constrained workstation capability C. changing workstation order to reduce process cycle time D. A and B E. A, B, and C

A

TOC was popularized by A. Goldratt and Cos B. Ford C. Taguchi D. Deming E. Motorola and GE

F

The bottleneck time is always at least as long as the throughput time. T/F

A

The main goal of retail layout is: A. maximizing profitability per square foot of floor space B. minimizing space required C. minimizing material handling cost D. minimizing storage costs E. minimizing customer confusion regarding location of items

A

The process cycle time of a system is generally referred to as the A. bottleneck B. sum of all workstation times C. shortest workstation time D. average workstation time E. median workstation time

D

The sign at the bank that read, "Wait here for the first available teller," suggests the use of a _____ waiting line system A. single-server, multiphase B. multiple-server, multiphase C. random-server, single-phase D. multiple-server, single-phase E. dynamic-server, single-phase

F

The theory of constraints is a body of knowledge that deals with anything that limits an organization's ability to meet its goals. T/F

F

The theory of constraints is fundamental to proper use of the assignment method of loading jobs. T/F

A

The three main strategies for increasing capacity are A. leading, lag, straddle B. fast, normal, slow C. expensive D, leading, behind, mixed E. none of the above

E

Which of the following is NOT a measure of a queue's performance? A. utilization factor for the system B. probability that the service facility will be idle C. average queue length D. average time spent in the queue E. all of the above are performance measures

D

Which of the following is NOT one of the factors complicating the techniques for addressing the fixed-position layout? A. at different stages of a project, different materials are needed; therefore, different items become critical as the project develops B. there is limited space at virtually all sites C. the volume of materials needed is dynamic D. takt times at workstations are dynamic E. all of the above are complicating factors

B

Which of the following is NOT one of the successful techniques for controlling the cost of labor in services? A. flexibility in rate of output or hours of work to meet changing demand B. little flexibility in worker hours to decrease the burden on management C. accurate scheduling of labor-hours to assure quick response to customer demand D. flexibility of individual worker skills that permits reallocation of available labor E. an on-call labor resource that can be added or deleted to meet unexpected demand

E

Which of the following is TRUE of random stocking? A. its results always minimize handling costs B. products have their own permanent storage spot C. each pick can be of only one product D. because items are stocked randomly, accurate inventory records are not necessary E. none of the above is true

C

Which of the following is a requirement of Q systems? A. constant demand B. variable lead time C. perpetual inventory system D. constant order spacing E. all of the above

E

Which of the following is an example of a finite arrival population? A. shoppers arriving at a supermarket B. students at a large university registering for classes C. cars arriving at a suburban car wash D. copy machines in a copying shop that break down E. all of the above

C

Which of the following is characteristic of lean operations? A. inventory buffers between each workstation to minimize system downtime B. no supplier partnership C. low space requirements D. easy, mindless jobs E. speciality workers with no †-training

E

Which of the following is not one of the four principles of bottleneck management? A. increased bottleneck capacity is increase system capacity B. release work orders to the system at the bottleneck's capacity pace C. lost time at the bottleneck is lost system capacity D. increasing capacity at non-bottleneck stations is a mirage E. bottlenecks should be moved to the end of the system process

D

Which of the following items is mostly likely managed using a single-period order model? A. gas sold to a gas station B. canned food at the grocery store C. metal for a manufacturing process D. christmas tree E. automobiles at a dealership

E

Which of the following represents an unlimited queue? A. small barbershop with only 5 chairs for waiting customers B. restaurant with no outside seating and limited capacity due to fire department restrictions C. drive-through lane at a fast-food restaurant D. faculty office with limited seating during office hours E. toll booth serving automobiles on an interstate

E

Which of the following techniques is not a technique for dealing with a bottleneck? A. schedule throughput to match capacity of the bottleneck B. increase capacity of the constraint C. have †-trained employees available to keep the constraint at full operation D. develop alternative routings E. all are told for dealing with bottlenecks

D

Which of the following would most likely fall under the scope of only an operations manager? A. facility location/capacity B. new product plans C. capital investments D. setting inventory levels E. research and development

D

Which sourcing strategy is particularly common when the products being sourced are commodities? A. virtual companies B. few suppliers C. vertical integration D. many suppliers E. keiretsu