Question 1

Setup time and its associated cost can often be reduced by the use of group technology.

Accepted Answer

A) True 
 B)False

Question 2

A functioning MRP system is required prior to adopting lean planning and control systems.

Accepted Answer

A) True 
 B)False

Question 3

The approaches used in lean systems to deal with quality include:

Accepted Answer

A)  only I 
B)  only I and II 
C)  only III and IV 
D)  only I, II, III, and IV 
E)  I, II, III, IV, and V 
A)  only I 
B)  only I and II 
C)  only III and IV 
D)  only I, II, III, and IV 
E)  I, II, III, IV, and V

Question 4

A potential obstacle to conversion to a lean system is:
(I) lack of management commitment
(II) lack of worker cooperation
(III) supplier resistance
(IV) insufficient space to store the increased inventories

Accepted Answer

A)  only I 
B)  only I and II 
C)  only II and III 
D)  only I, II, and III 
E)  only II, III, and IV 
A)  only I 
B)  only I and II 
C)  only II and III 
D)  only I, II, and III 
E)  only II, III, and IV

Question 5

The ultimate goal of lean operations is to have:

Accepted Answer

A)  no in-process inventories. 
B)  cross-trained workers capable of handling every process. 
C)  a smooth, rapid flow of work through the system. 
D)  no setup times. 
E)  all of the choices. 
A)  no in-process inventories. 
B)  cross-trained workers capable of handling every process. 
C)  a smooth, rapid flow of work through the system. 
D)  no setup times. 
E)  all of the choices.

Question 6

A benefit of the lean philosophy is the flexibility to respond quickly to changing customer product preferences.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Which one of the following is not one of the building blocks that is the foundation of the lean philosophy?

Accepted Answer

A)  product design 
B)  process design 
C)  personnel/organizational elements 
D)  manufacturing planning and control 
E)  Kanban 
A)  product design 
B)  process design 
C)  personnel/organizational elements 
D)  manufacturing planning and control 
E)  Kanban

Question 9

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 10

When lean is used in the context of services, which of the following is most often the focus?

Accepted Answer

A)  the labor content of the service 
B)  the time needed to perform a service 
C)  the inventory tied up in the service 
D)  the equipment used in the service 
E)  suppliers of inputs to the service 
A)  the labor content of the service 
B)  the time needed to perform a service 
C)  the inventory tied up in the service 
D)  the equipment used in the service 
E)  suppliers of inputs to the service

Question 11

The Five S's do not include:

Accepted Answer

A)  Sort. 
B)  Straighten. 
C)  SanitizE. 
D)  Sweep. 
E)  Standardize. 
A)  Sort. 
B)  Straighten. 
C)  SanitizE. 
D)  Sweep. 
E)  Standardize.

Question 12

In the lean philosophy, the ideal lot size is:

Accepted Answer

A)  the economic order quantity. 
B)  the economic run size. 
C)  one unit. 
D)  the capacity of the standard container. 
E)  N = (DT(1 + X))/C. 
A)  the economic order quantity. 
B)  the economic run size. 
C)  one unit. 
D)  the capacity of the standard container. 
E)  N = (DT(1 + X))/C.

Question 13

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)  1.2 
A)  2.6 
B)  2.3 
C)  1.5 
D)  1.4 
E)  1.2

Question 14

Although lean systems tend to produce standardized product lines, to provide production variety without accompanying waste, lean producers often use __________ in __________.

Accepted Answer

A)  standardized parts; modular designs 
B)  jidoka parts; kaizen designs 
C)  modular parts; flexible designs 
D)  capable parts; automated designs 
E)  heijunka parts; kanban designs 
A)  standardized parts; modular designs 
B)  jidoka parts; kaizen designs 
C)  modular parts; flexible designs 
D)  capable parts; automated designs 
E)  heijunka parts; kanban designs

Question 15

Quality and highly capable production systems are requirements for the successful implementation of lean operations.

Accepted Answer

A) True 
 B)False

Question 16

Although inventories are maintained, the goal of lean operations is to minimize safety stock.

Accepted Answer

A) True 
 B)False

Question 17

A production kanban card is used to signal that:

Accepted Answer

A)  there is a need to produce parts at the work center. 
B)  parts are ready to be moved to the next station. 
C)  there is a need to deliver parts to the next work center. 
D)  a machine has broken down and needs immediate attention. 
E)  a machine is ready for preventive maintenance. 
A)  there is a need to produce parts at the work center. 
B)  parts are ready to be moved to the next station. 
C)  there is a need to deliver parts to the next work center. 
D)  a machine has broken down and needs immediate attention. 
E)  a machine is ready for preventive maintenance.

Question 18

A successful conversion to a lean system requires that the conversion:

Accepted Answer

A)  be done as quickly as possible. 
B)  begin at the start of the process and work forward. 
C)  convert vendors to lean as one of the last steps. 
D)  reduce setup times as one of the last steps. 
E)  all of the choices. 
A)  be done as quickly as possible. 
B)  begin at the start of the process and work forward. 
C)  convert vendors to lean as one of the last steps. 
D)  reduce setup times as one of the last steps. 
E)  all of the choices.

Question 19

A basic requirement for operating with the low inventories present in lean systems is:

Accepted Answer

A)  Inventory space must be increased. 
B)  Inventory investment must be increased. 
C)  Major problems must be identified. 
D)  Major problems must have been solveD. 
E)  Inventories must be reduced rapidly. 
A)  Inventory space must be increased. 
B)  Inventory investment must be increased. 
C)  Major problems must be identified. 
D)  Major problems must have been solveD. 
E)  Inventories must be reduced rapidly.

Exam 19: JIT and Lean Operations

Setup time and its associated cost can often be reduced by the use of group technology.

A functioning MRP system is required prior to adopting lean planning and control systems.

The approaches used in lean systems to deal with quality include:

A potential obstacle to conversion to a lean system is: (I) lack of management commitment (II) lack of worker cooperation (III) supplier resistance (IV) insufficient space to store the increased inventories

The ultimate goal of lean operations is to have:

A benefit of the lean philosophy is the flexibility to respond quickly to changing customer product preferences.

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

Which one of the following is not one of the building blocks that is the foundation of the lean philosophy?

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.

When lean is used in the context of services, which of the following is most often the focus?

The Five S's do not include:

In the lean philosophy, the ideal lot size is:

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?

Although lean systems tend to produce standardized product lines, to provide production variety without accompanying waste, lean producers often use __________ in __________.

Quality and highly capable production systems are requirements for the successful implementation of lean operations.

Although inventories are maintained, the goal of lean operations is to minimize safety stock.

A production kanban card is used to signal that:

A successful conversion to a lean system requires that the conversion:

A basic requirement for operating with the low inventories present in lean systems is:

Introduction to Operations Management

Competitiveness

Forecasting

Product and Service Design

RELIABILITY – Static

Strategic Capacity Planning for Products and Services

Decision Theory– Static

Process Selection and Facility Layout

Work Design and Measurement

learning curve– Static

Location Planning and Analysis

The Transportation Model– Static

Management of Quality

Quality Control

Acceptance Sampling– Static

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Maintenance– Static

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Filters

Although lean systems tend to produce standardized product lines, to provide production variety without accompanying waste, lean producers often use in .