Question 1

One disadvantage of process-oriented layouts arises from

Accepted Answer

A)  the use of special purpose equipment. 
B)  machine maintenance, which tends to seriously degrade the capacity of the entire system. 
C)  the use of specialized material handling equipment. 
D)  the need for stable demand. 
E)  the use of the general purpose machines and equipment. 
A)  the use of special purpose equipment. 
B)  machine maintenance, which tends to seriously degrade the capacity of the entire system. 
C)  the use of specialized material handling equipment. 
D)  the need for stable demand. 
E)  the use of the general purpose machines and equipment.

Question 2

A(n) ________ addresses flow, allocates space, and responds to customer behavior.

Accepted Answer

The answer of A(n) ________ addresses flow, allocates space, and...

Question 3

Identify the four requirements for cellular production.

Accepted Answer

(1) identification of families of produc

Question 4

The main goal of retail layout is

Accepted Answer

A)  minimizing material handling cost. 
B)  maximizing high-margin sales. 
C)  minimizing storage costs. 
D)  minimizing space required. 
E)  maximizing profitability per square foot of floor space. 
A)  minimizing material handling cost. 
B)  maximizing high-margin sales. 
C)  minimizing storage costs. 
D)  minimizing space required. 
E)  maximizing profitability per square foot of floor space.

Question 5

Develop a solution for the following line balancing problem, allowing a cycle time of 5 minutes.
a. Draw the precedence diagram for the set of tasks.
b. Calculate the theoretical minimum number of workstations.
c. Balance this line using the longest task time heuristic.
d. What tasks are assigned to which stations?
e. Does the solution have the minimum number of stations? Explain.
f. How much idle time is there, summed over all workstations?
g. What is the efficiency of this line?
 $$\begin{array} { | c | c | c | } 
\hline \text { Work Task } & \begin{array} { c } 
\text { Task Time } \
\text { (seconds) }
\end{array} & \begin{array} { c } 
\text { Immediate } \
\text { Predecessor(s) }
\end{array} \
\hline \text { A } & 70 & - \
\hline \text { B } & 60 & \mathrm {~A} \
\hline \text { C } & 120 & \mathrm {~B} \
\hline \text { D } & 60 & - \
\hline \text { E } & 240 & \mathrm { C } , \mathrm { D } \
\hline \text { F } & 100 & \mathrm {~A} \
\hline \text { G } & 190 & \mathrm { E } , \mathrm { F } \
\hline
\end{array}$$

Accepted Answer

The theoretical minimum number of workst

Question 6

Heuristics are problem-solving procedures that mathematically optimize the solution.

Accepted Answer

A) True 
 B)False

Question 7

A manufacturing work cell has a takt time of 5 minutes and is staffed by 7 workers. If the work cell delivers 61 units each day find
A. The total operation time
B. The amount of time worked during the day for all 10 workers combined
C. If the plant is open for only 5 hours per day, can the staff meet demand?

Accepted Answer

A) Total operation time = Workers requir

Question 8

The assumptions necessary for a successful product layout include all of the following except

Accepted Answer

A)  adequate volume for high equipment utilization. 
B)  standardized product. 
C)  volatile product demand. 
D)  All of the above are appropriate assumptions. 
E)  None of the above are an appropriate assumption. 
A)  adequate volume for high equipment utilization. 
B)  standardized product. 
C)  volatile product demand. 
D)  All of the above are appropriate assumptions. 
E)  None of the above are an appropriate assumption.

Question 9

McDonald's "Made by You" kitchen system represents a ________ use of layout decisions.

Accepted Answer

The answer of McDonald's "Made by You" kitchen system represents...

Question 10

If the schedule calls for the production of 120 units per day and 480 minutes of production time are available per day, the maximum cycle time would be 4 minutes.

Accepted Answer

A) True 
 B)False

Question 11

A(n) ________ is a special product-oriented arrangement of machines and personnel in what is ordinarily a process-oriented facility.

Accepted Answer

The answer of A(n) ________ is a special product-oriented arrangement...

Question 12

A fabrication line and an assembly line are both types of repetitive and product-focused layout, but only the fabrication line utilizes workstations.

Accepted Answer

A) True 
 B)False

Question 13

________ is that element of balancing a work cell that superficially resembles cycle time.

Accepted Answer

The answer of ________ is that element of balancing a...

Question 14

The minimum number of workstations depends upon the set of task times and the precedence chart, but not the number of units scheduled.

Accepted Answer

A) True 
 B)False

Question 15

An insurance claims processing center has six work centers, any of which can be placed into any of six physical departmental locations. Call the centers 1, 2, 3, 4, 5, and 6, and the departments A, B, C, D, E, and F. The current set of assignments is A-3, B-1, C-6, D-2, E-4, and F-5.
The (symmetric) matrix of departmental distances, in meters is
 $$\begin{array} { | c | c | c | c | c | c | c | } 
\hline & \mathbf { 1 } & \mathbf { 2 } & \mathbf { 3 } & \mathbf { 4 } & \mathbf { 5 } & \mathbf { 6 } \
\hline \mathbf { 1 } & - - & 5 & 30 & 20 & 15 & 20 \
\hline \mathbf { 2 } & & - - & 40 & 15 & 10 & 10 \
\hline \mathbf { 3 } & & & - - & 50 & 20 & 5 \
\hline \mathbf { 4 } & & & & - - & 10 & 35 \
\hline \mathbf { 5 } & & & & & - - & 5 \
\hline \mathbf { 6 } & & & & & & - - \
\hline
\end{array}$$ The matrix of work flow (estimated trips per day) is among centers
 $$\begin{array} { | l | c | c | c | c | c | c | } 
\hline & \boldsymbol { A } & \mathbf { B } & \mathbf { C } & \mathbf { D } & \mathbf { E } & \mathbf { F } \
\hline \mathrm { A } & - - & 15 & 20 & 0 & 30 & 0 \
\hline \mathrm { B } & 20 & - - & 50 & 0 & 160 & 10 \
\hline \mathrm { C } & 0 & 50 & - - & 30 & 0 & 30 \
\hline \mathrm { D } & 30 & 60 & 20 & - - & 70 & 0 \
\hline \mathrm { E } & 40 & 0 & 0 & 10 & - - & 60 \
\hline \mathrm { F } & 0 & 0 & 30 & 20 & 50 & - - \
\hline
\end{array}$$ The firm estimates that each trip costs approximately $4.
a. What is the cost of the current assignment?
b. Use trial-and-error to find one improved assignment.
c. What is that assignment, and what is its cost?

Accepted Answer

(a) The current assignment costs 14,000

Question 16

A manufacturing work cell has a takt time of 7 minutes and is staffed by 10 workers. If the work cell delivers 68 units each day find
A. The total operation time
B. The amount of time worked during the day for all 10 workers combined
C. If the plant is open for only 8 hours per day, can the staff meet demand?

Accepted Answer

Total operation time = Workers required

Question 17

Cross-docking processes items as they are received, rather than placing them in storage; this helps explain why "warehouses" are now called "distribution centers."

Accepted Answer

A) True 
 B)False

Question 18

Currently there are 5 tasks that need to be performed. These tasks, ABCDE, have required times of 2 minutes, 5 minutes, 4 minutes, 3 minutes, and 10 minutes respectively. The assembly line needs to produce 50 units per day to meet demand and can work for up to 7.5 hours each day.
A. What is the required cycle time?
B. What is the theoretical minimum # of workstations?

Accepted Answer

Required cycle time = Production time av

Question 19

Product-oriented layouts tend to have high levels of work-in-process inventories.

Accepted Answer

A) True 
 B)False

Question 20

Explain how a load-distance model helps solve problems in process layout.

Accepted Answer

The problem in process layout is to hold

Exam 9: Layout Strategies

One disadvantage of process-oriented layouts arises from

A(n) ________ addresses flow, allocates space, and responds to customer behavior.

Identify the four requirements for cellular production.

The main goal of retail layout is

Heuristics are problem-solving procedures that mathematically optimize the solution.

The assumptions necessary for a successful product layout include all of the following except

McDonald's "Made by You" kitchen system represents a ________ use of layout decisions.

If the schedule calls for the production of 120 units per day and 480 minutes of production time are available per day, the maximum cycle time would be 4 minutes.

A(n) ________ is a special product-oriented arrangement of machines and personnel in what is ordinarily a process-oriented facility.

A fabrication line and an assembly line are both types of repetitive and product-focused layout, but only the fabrication line utilizes workstations.

________ is that element of balancing a work cell that superficially resembles cycle time.

The minimum number of workstations depends upon the set of task times and the precedence chart, but not the number of units scheduled.

Cross-docking processes items as they are received, rather than placing them in storage; this helps explain why "warehouses" are now called "distribution centers."

Product-oriented layouts tend to have high levels of work-in-process inventories.

Explain how a load-distance model helps solve problems in process layout.

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