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Lean Thinking And Lean Systems

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Question 1
Free
Multiple Choice

Which of the following is NOT an element of lean?

Choose correct answer/s
A

Small lot sizes

B

Modularized master schedule

C

Multifunction workers

D

Kanban pull system

E

Perfect or nearly perfect quality

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Question 2
Free
Multiple Choice

A kanban card is used to signal that

Choose correct answer/s
A

the next work center is stopped.

B

a materials handler has run out of parts.

C

a machine has broken down.

D

parts are needed by the subsequent work center.

E

a machine is ready for preventive maintenance.

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Question 3
Free
Multiple Choice

For production control,lean pull systems are best suited for

Choose correct answer/s
A

repetitive manufacturing.

B

job shop production.

C

semirepetitive batch manufacturing.

D

unpredictable demand.

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Question 4
Free
Multiple Choice

With regards to suppliers,lean systems typically require

Choose correct answer/s
A

delivery of large lots at frequent intervals.

B

buyer inspection of goods and materials.

C

multiple sources from which to purchase.

D

long-term relationships and commitments.

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Question 5
Free
Multiple Choice

Which of the following is NOT generally an element of a lean system?

Choose correct answer/s
A

Flexible workforce

B

MRP push system

C

Stable master schedule

D

Kanban pull system

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Question 6
Multiple Choice

The ideal setup time for a lean system is

Choose correct answer/s
A
5 minutes.
B
the time it takes the line to get ready.
C
0 minutes.
D
1 hour.
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Question 7
Multiple Choice

The ideal lot size for a lean system is

Choose correct answer/s
A
infinite.
B
one.
C
the capacity of the machine.
D
variable according to the production requirements.
E
none of the above.
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Question 8
Multiple Choice

The time it takes a container to complete an entire circuit consists of

Choose correct answer/s
A
move time, time used, and wait time.
B
wait time, run time, setup time, and idle time.
C
fill time, wait time, move time, time used, and time to be returned to be filled again.
D
none of the above.
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Question 9
Multiple Choice

If it takes 100 minutes to complete a circuit,demand at the next work center is 5 parts per minute,and a kanban container holds 20 parts,how many containers are required?

Choose correct answer/s
A
25
B
5
C
40
D
20
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Question 10
Multiple Choice

Why is a uniform load desirable in a lean system?

Choose correct answer/s
A
To balance the workload on all work centers.
B
To allow for production of safety stock.
C
To signal the need for more parts.
D
To increase the time for scheduled maintenance.
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Question 11
Multiple Choice

External setup time refers to

Choose correct answer/s
A
the time it takes workers to set up a machine during scheduled maintenance.
B
the time to complete setup activities that do not require that the machine be stopped.
C
the time it takes equipment vendors to set up the machine.
D
none of the above.
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Question 12
Multiple Choice

The basic foundation of the Toyota production system and just-in-time manufacturing includes all of the following elements EXCEPT

Choose correct answer/s
A
simple but high-quality processes.
B
lower inventory levels.
C
smaller batches.
D
longer product development times.
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Question 13
Multiple Choice

Which of the following statements regarding lean systems is FALSE?

Choose correct answer/s
A
Lean is a philosophy that emphasizes continuous improvement.
B
Lean is an approach that seeks to provide exactly what the customer requires and no more.
C
Lean is not applicable to low-volume manufacturing operations.
D
In a lean system, waste is any activity that does not add value.
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Question 14
Multiple Choice

The seven forms of waste include all of the following EXCEPT

Choose correct answer/s
A
overproduction.
B
waiting time.
C
inventory.
D
bottleneck.
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Question 15
Multiple Choice

Which of the following is NOT a lean tenet?

Choose correct answer/s
A
Specify what about a product or service creates value from the customer's perspective.
B
Identify, study, and improve the value stream of the process for each product and service.
C
Improve value to customer by producing goods well in advance of demand.
D
Strive for perfection.
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Question 16
Multiple Choice

Which of the following statements regarding lean systems is FALSE?

Choose correct answer/s
A
Lean systems are a "push" type of production planning system.
B
Lean systems emphasize reduction in setup (changeover) time.
C
Lean systems emphasize reduction in inventory levels.
D
Lean systems utilize "kanbans" to signal the need for production.
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Question 17
Multiple Choice

__________ is(are)the direct observation of work,conducted so that work practices can be improved.

Choose correct answer/s
A
5 Whys
B
5S
C
Gemba
D
Value stream mapping
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Question 18
Multiple Choice

Which of the following is true for takt time in a lean system?

Choose correct answer/s
A
Takt time should be set at greater than the average demand of the market.
B
Takt time is the period of time available for production.
C
Takt time is used to match supply and demand.
D
Takt is the Japanese word for time.
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Question 19
Multiple Choice

Which of the following is true about kanban systems?

Choose correct answer/s
A
The purpose is to ensure parts are produced JIT to support subsequent processes.
B
Some companies control the movement of the containers by using two types of kanban cards: production cards and withdrawal cards.
C
Kanban cards take the place of shop paperwork used in traditional mass production.
D
All of the above.
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Question 20
Multiple Choice

A work center uses kanban containers that hold 200 parts.To produce enough parts to fill a container,60 minutes of setup plus run time are needed.Moving the container to the next workstation,waiting time,processing time at the next work station,and return of the empty container take 120 minutes.There is an overall demand rate of 10 units per minute.Calculate the number of containers needed for this process.

Choose correct answer/s
A
6
B
7
C
8
D
9
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