T/F A lean system operates with fewer resources than traditional systems do.
True
T/F Lean systems use a "push" approach to operations to quickly get output to their customers.
False
Feedback: A demand "pull" system is used.
T/F Kanban is a visual system for controlling production.
True
T/F Modular design and standard parts are two elements of product design in lean systems.
True
T/F The ultimate objective in JIT objective is to minimize the amount of inventory on hand.
False.
Feedback: The objective is to achieve a smooth, balanced (supply equals demand) flow.
T/F Using small lot sizes reduces the flexibility of a system.
False
Feedback: It increases flexibility to respond to changes in demand.
T/F Kaizen relates to continuous improvement.
True
T/F Lowering inventory levels is a tactic to expose quality problems in a lean system.
True
T/F Lean purchasing requires frequent bidding by multiple sources to ensure competitive prices.
False
Feedback: Long term relationships with fewer suppliers are the ideal.
T/F JIT II is associated with vendor-managed inventory.
True
T/F Inventory is considered a waste in a lean system.
True
Feedback: Inventory is one of the seven wastes.
T/F Lean systems rely on worker specialization to achieve high productivity.
False
Feedback: Lean systems use cross-trained workers who can handle multiple jobs.
Which one is not a building block of JIT?
A) kanban and small lot sizes
B) personnel/organizational issues
C) product design
D) process design
kanban and small lot sizes
The term that relates to matching the output rate with customer demand in a JIT system is:
A) fill rate
B) takt time
C) closed-loop JIT
D) single-minute exchange of die
takt time
The ultimate objective in a JIT system is:
A) maintain low inventory
B) produce high quality
C) minimize waste
D) match demand with a balanced flow
match demand with a balanced flow
Feedback: The others are supporting goals.
Which term connotes waste and inefficiency?
A) muda
B) kaizen
C) poka-yoke
D) kanban
muda
Which term refers to a signaling device?
A) muda
B) kaizen
C) poka-yoke
D) kanban
kanban
Feedback: Kanbans are used to signal the need for parts.
Which term connotes fail-safe design?
A) muda
B) kaizen
C) poka-yoke
D) kanban
poka-yoke
Which one is not included in the list of seven wastes?
A) overproduction
B) inefficient work methods
C) product defects
D) poor product design
E) processing wastes.
poor product designs
Which one of these is a system for reducing changeover time?
A) VMI
B) JIT II
C) takt time
D) SMED
E) JIT
SMED
Feedback: SMED stands for single-minute exchange of dies.
A kanban card is used to signal that:
A) a machine has broken down
B) a worker is falling behind and needs help.
C) a defect has occurred
D) parts are needed
parts are needed
Which one of these is a system of lights used to signal problems in a lean production system?
A) SMED
B) andon
C) kanban
D) jidoka
E) muda
andon
Process design supporting lean production would include:
A) Backup equipment to guard against equipment failure.
B) Multiple suppliers to assure parts availability.
C) Maintain backlogs to assure workers have enough work to keep them busy.
D) Production f
production flexibility
Which of the following would you not expect to see in a lean production system?
A) a flexible system
B) frequent schedule changes
C) little waste
D) low setup times
E) low inventory
frequent schedule changes
Feedback: Near-term schedules are typically "frozen" to avoid disruptions.
Lean systems typically use layouts that:
A) are based on a job shop in order to handle variety
B) enable moving parts in large lot sizes
C) facilitate handling somewhat dissimilar products
D) all of the above
E) none of the above
facilitate handling somewhat dissimilar products