Operations Excellence Final Exam
Questions & Answers
Students have to change buildings between classes, which often involves walks of 5
minutes or more. Walking from one building to another is
a waste
non-value-added time
value-added time. - ANSWERSnon-value-added time
Such walks are not waste, as they are required given the current lay-out of the campus.
However (unless the students take great joy in the walk), they do not add value to the
customer; they are thus non-value add time.
Non-Value Added - ANSWERSa processing step that does not enhance the product but
must be done
value added time - ANSWERSthe time in which useful work is actually being done on
the unit
What are the two pillars of the Toyota Production System?
a Just-in-time and waste reduction
b Waste reduction and built-in quality
c Built-in quality and just-in-time
d Process improvement and waste reduction - ANSWERSc Built-in quality and just-in-
time Correct
Built-in Quality - ANSWERSBuilt-In Quality practices ensure that each Solution element,
at every increment, meets appropriate quality standards throughout development.
just in time - ANSWERSa logistics process in which goods arrive when needed for
production, use, or sale rather than sitting in storage
Which of the following does not belong to the seven sources of waste?
a Rework
b Overtime
c Transportation
d Inventory - ANSWERSb Overtime
Seven Sources of Waste - ANSWERSInventory
Overproduction
Waiting time
, Unnecessary transporting
Processing waste
Inefficient work methods
Product defects
What is the roof in the "house-shaped" representation of the Toyota Production
System?
a Just-in-time
b Waste reduction
c Built-in quality
d Process improvement - ANSWERSb Waste reduction
The roof is the reduction of waste by better matching supply with demand. This includes
the waste of time of the flow units and the waste of resources.
What is the relationship between the number of kanban cards in a process and the
inventory level?
a There is no relationship between the two.
b There never can be more inventory in the process than what was authorized via
Kanban cards.
c The inventory of the process grows with the square root of the number of Kanban
cards.
d The inventory of the process can be reduced by adding more Kanban cards. -
ANSWERSb There never can be more inventory in the process than what was
authorized via Kanban cards.
The information turnaround time is driven primarily by
a the number of workers.
b the IT system.
c the inventory in the process.
d the amount of waste in the process. - ANSWERSthe inventory in the process.
Which of the following statements about kanban are accurate?
I. Deploying the kanban system leads to pulling work through the system instead of
pushing work.
II. Deploying the kanban system leads to pushing work through the system instead of
pulling work.
III. The kanban system controls the work-in-process inventory.
IV. Kanban will always reduce the amount of inventory in the process.
V. Kanban requires cross-training all workers - ANSWERSI and III
Questions & Answers
Students have to change buildings between classes, which often involves walks of 5
minutes or more. Walking from one building to another is
a waste
non-value-added time
value-added time. - ANSWERSnon-value-added time
Such walks are not waste, as they are required given the current lay-out of the campus.
However (unless the students take great joy in the walk), they do not add value to the
customer; they are thus non-value add time.
Non-Value Added - ANSWERSa processing step that does not enhance the product but
must be done
value added time - ANSWERSthe time in which useful work is actually being done on
the unit
What are the two pillars of the Toyota Production System?
a Just-in-time and waste reduction
b Waste reduction and built-in quality
c Built-in quality and just-in-time
d Process improvement and waste reduction - ANSWERSc Built-in quality and just-in-
time Correct
Built-in Quality - ANSWERSBuilt-In Quality practices ensure that each Solution element,
at every increment, meets appropriate quality standards throughout development.
just in time - ANSWERSa logistics process in which goods arrive when needed for
production, use, or sale rather than sitting in storage
Which of the following does not belong to the seven sources of waste?
a Rework
b Overtime
c Transportation
d Inventory - ANSWERSb Overtime
Seven Sources of Waste - ANSWERSInventory
Overproduction
Waiting time
, Unnecessary transporting
Processing waste
Inefficient work methods
Product defects
What is the roof in the "house-shaped" representation of the Toyota Production
System?
a Just-in-time
b Waste reduction
c Built-in quality
d Process improvement - ANSWERSb Waste reduction
The roof is the reduction of waste by better matching supply with demand. This includes
the waste of time of the flow units and the waste of resources.
What is the relationship between the number of kanban cards in a process and the
inventory level?
a There is no relationship between the two.
b There never can be more inventory in the process than what was authorized via
Kanban cards.
c The inventory of the process grows with the square root of the number of Kanban
cards.
d The inventory of the process can be reduced by adding more Kanban cards. -
ANSWERSb There never can be more inventory in the process than what was
authorized via Kanban cards.
The information turnaround time is driven primarily by
a the number of workers.
b the IT system.
c the inventory in the process.
d the amount of waste in the process. - ANSWERSthe inventory in the process.
Which of the following statements about kanban are accurate?
I. Deploying the kanban system leads to pulling work through the system instead of
pushing work.
II. Deploying the kanban system leads to pushing work through the system instead of
pulling work.
III. The kanban system controls the work-in-process inventory.
IV. Kanban will always reduce the amount of inventory in the process.
V. Kanban requires cross-training all workers - ANSWERSI and III
