Question 1

In the lean philosophy, the larger the lot size, the easier it is to schedule.

Accepted Answer

A) True 
 B)False

Question 2

Lean systems often use layouts that are based on group technology product requirements.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not a benefit of small lot sizes in lean systems?

Accepted Answer

A)   In-process inventory is considerably less.
B)   Each product is produced less frequently.
C)   Carrying costs are reduced.
D)   There is less clutter in the workplace.
E)   Inspection and rework costs are less.F) A) and B)
G) B) and D)

Question 4

In the lean approach, inventories are reduced gradually, instead of eliminating inventories as rapidly as possible.

Accepted Answer

A) True 
 B)False  True

Question 5

The ultimate objective in a lean system is:

Accepted Answer

A)   low to moderate levels of inventory.
B)   high quality, zero defects.
C)   minimal waste (less than 6 percent) .
D)   balanced and rapid flow.
E)   all of these.F) C) and D)
G) All of the above

Question 6

If a firm's product mix is 60 percent of product A and 20 percent each of products B and C, an optimal mix-model production schedule would be successive sequences of AAABC.

Accepted Answer

A) True 
 B)False  False

Question 7

The small lot-sizing policy works well in a situation where both holding costs and setup costs are high.

Accepted Answer

A) True 
 B)False

Question 8

With regard to suppliers, lean systems typically involve:

Accepted Answer

A)   delivery of large lots on short notice
B)   the highest quality at the lowest price
C)   long-term relationships
D)   multiple suppliers to assure continuous availability
E)   dedicated staging areas for materialF) None of the above
G) B) and C)

Question 9

Previously, management calculated the number of kanban cards allowed by using a value of 1.3 for X. Assuming nothing else (e.g., usage rates, container capacities, etc.) , which of the following values for X would indicate management's belief that the system has become more efficient?

Accepted Answer

A)   2.6
B)   2.3
C)   1.5
D)   1.4
E)   1.2F) A) and B)
G) A) and E) E

Question 10

The use of small lot sizes in lean operations is in conflict with the EOQ approach since setup costs tend to be significantly higher than holding costs.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following questions is not answered by value stream mapping?

Accepted Answer

A)   Where does waste occur?
B)   Which processes or subprocesses exhibit the most variability?
C)   Where are the best opportunities to extract more value from customers?
D)   Where are process bottlenecks?
E)   Where do errors occur?F) D) and E)
G) A) and B)

Question 12

Which of the following is not something commonly found in lean systems?
(I)  Waste reduction
(II)  Output match to a detailed forecast
(III)  Visual controls
(IV)  Quick changeovers
(V)  Long production runs

Accepted Answer

A)   both I and V
B)   both II and V
C)   both II and IV
D)   both IV and V
E)   both III and VF) B) and D)
G) A) and B)

Question 13

A real advantage of the lean philosophy is the reduction of coordination effort required.

Accepted Answer

A) True 
 B)False

Question 14

The goal of lean operations is to produce output using fewer resources than traditional planning systems.

Accepted Answer

A) True 
 B)False

Question 15

Engineering changes should not be made in the six-month period following the introduction of a new product.

Accepted Answer

A) True 
 B)False

Question 16

Process design that supports lean does not include:

Accepted Answer

A)   production flexibility.
B)   duplicate facilities.
C)   setup time reduction.
D)   minimal inventory storage.
E)   small lot sizes.F) A) and B)
G) D) and E)

Question 17

The Four Star Publishing Company uses 60 reams of paper each hour at one of its high-speed printing stations. The cycle time for a standard container, which holds 15 reams of paper, averages 40 minutes. If management has decided to use three containers, what efficiency factor was applied?

Accepted Answer

The answer of The Four Star Publishing Company uses 60...

Question 18

A benefit of lean systems is that lead times are increased, allowing more time for processing.

Accepted Answer

A) True 
 B)False

Question 19

One major difference between the use of kanban and MRP in scheduling the products to be built is that kanban is primarily a manual system while MRP uses computers.

Accepted Answer

A) True 
 B)False

Question 20

Kanban is the Japanese term for autonomation.

Accepted Answer

A) True 
 B)False

Exam 14: Jit and Lean Operations

In the lean philosophy, the larger the lot size, the easier it is to schedule.

Correct AnswerverifiedShow Answer

Lean systems often use layouts that are based on group technology product requirements.

Correct AnswerverifiedShow Answer

Which of the following is not a benefit of small lot sizes in lean systems?

Correct AnswerverifiedShow Answer

In the lean approach, inventories are reduced gradually, instead of eliminating inventories as rapidly as possible.

Correct AnswerverifiedTrue

The ultimate objective in a lean system is:

Correct AnswerverifiedShow Answer

If a firm's product mix is 60 percent of product A and 20 percent each of products B and C, an optimal mix-model production schedule would be successive sequences of AAABC.

Correct AnswerverifiedFalse

The small lot-sizing policy works well in a situation where both holding costs and setup costs are high.

Correct AnswerverifiedShow Answer

With regard to suppliers, lean systems typically involve:

Correct AnswerverifiedShow Answer

Previously, management calculated the number of kanban cards allowed by using a value of 1.3 for X. Assuming nothing else (e.g., usage rates, container capacities, etc.) , which of the following values for X would indicate management's belief that the system has become more efficient?

Correct AnswerverifiedE

The use of small lot sizes in lean operations is in conflict with the EOQ approach since setup costs tend to be significantly higher than holding costs.

Correct AnswerverifiedShow Answer

Which of the following questions is not answered by value stream mapping?

Correct AnswerverifiedShow Answer

Which of the following is not something commonly found in lean systems? (I) Waste reduction (II) Output match to a detailed forecast (III) Visual controls (IV) Quick changeovers (V) Long production runs

Correct AnswerverifiedShow Answer

A real advantage of the lean philosophy is the reduction of coordination effort required.

Correct AnswerverifiedShow Answer

The goal of lean operations is to produce output using fewer resources than traditional planning systems.

Correct AnswerverifiedShow Answer

Engineering changes should not be made in the six-month period following the introduction of a new product.

Correct AnswerverifiedShow Answer

Process design that supports lean does not include:

Correct AnswerverifiedShow Answer

The Four Star Publishing Company uses 60 reams of paper each hour at one of its high-speed printing stations. The cycle time for a standard container, which holds 15 reams of paper, averages 40 minutes. If management has decided to use three containers, what efficiency factor was applied?

Correct AnswerverifiedShow Answer

A benefit of lean systems is that lead times are increased, allowing more time for processing.

Correct AnswerverifiedShow Answer

One major difference between the use of kanban and MRP in scheduling the products to be built is that kanban is primarily a manual system while MRP uses computers.

Correct AnswerverifiedShow Answer

Kanban is the Japanese term for autonomation.

Correct AnswerverifiedShow Answer

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True

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False

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E

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