Operations Management Chapter 8 Questions With Complete Solutions
An orthopedic surgeon has read an article about the Toyota Production System and now wants to
organize her surgery operation based on lean principles. To eliminate all idle time in the operating room,
she decides to call in patients six hours before the scheduled surgery time. Is this a lean process? -
(ANSWER)No: The surgeon emphasizes the reduction of the waste of the resources (doctor and
operating room). However, she does this at the expense of the patient who now wastes six hours of the
flow time waiting.
Pulling the andon cord can cause a loss of output. In TPS, an employee should pull the Andon cord: -
(ANSWER)Whenever a problem occurs
What is the roof in the "house-shaped" representation of the Toyota Production System? -
(ANSWER)Waste-reduction: The roof is the reduction of waste by better matching supply with demand.
A single inspection system with experts testing the output of the process will help reduce the
information turnaround time. - (ANSWER)False: For a short information turnaround time, many
inspection points throughout the process are needed.
Which of the following does not belong to seven sources of waste? - (ANSWER)Overtime: Overtime is
not part of the seven sources of waste
What happens to the number of Kanban cards in the process if the replenishment time goes up? -
(ANSWER)The number of kanban cards increases
If takt time increases, the operation requires: - (ANSWER)fewer workers
What is the relationship between the number of kanban cards in a process and the inventory level? -
(ANSWER)There never can be more inventory in the process than what was authorized via Kanban cards.
Kaizen favors automation and investment in technology. - (ANSWER)False: Kaizen favors continuous
improvements driven by the employees.
Which of the following objectives is more important in a pull system? - (ANSWER)Producing at the rate
of demand
An orthopedic surgeon has read an article about the Toyota Production System and now wants to
organize her surgery operation based on lean principles. To eliminate all idle time in the operating room,
she decides to call in patients six hours before the scheduled surgery time. Is this a lean process? -
(ANSWER)No: The surgeon emphasizes the reduction of the waste of the resources (doctor and
operating room). However, she does this at the expense of the patient who now wastes six hours of the
flow time waiting.
Pulling the andon cord can cause a loss of output. In TPS, an employee should pull the Andon cord: -
(ANSWER)Whenever a problem occurs
What is the roof in the "house-shaped" representation of the Toyota Production System? -
(ANSWER)Waste-reduction: The roof is the reduction of waste by better matching supply with demand.
A single inspection system with experts testing the output of the process will help reduce the
information turnaround time. - (ANSWER)False: For a short information turnaround time, many
inspection points throughout the process are needed.
Which of the following does not belong to seven sources of waste? - (ANSWER)Overtime: Overtime is
not part of the seven sources of waste
What happens to the number of Kanban cards in the process if the replenishment time goes up? -
(ANSWER)The number of kanban cards increases
If takt time increases, the operation requires: - (ANSWER)fewer workers
What is the relationship between the number of kanban cards in a process and the inventory level? -
(ANSWER)There never can be more inventory in the process than what was authorized via Kanban cards.
Kaizen favors automation and investment in technology. - (ANSWER)False: Kaizen favors continuous
improvements driven by the employees.
Which of the following objectives is more important in a pull system? - (ANSWER)Producing at the rate
of demand
