Question 1

A fundamental tenet of the lean philosophy is that workers are paid based on seniority.

Accepted Answer

A) True 
 B)False

Question 2

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 above 
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 above

Question 3

Lean purchasing requires frequent contract bidding by multiple sources to ensure the buyer of competitive prices.

Accepted Answer

A) True 
 B)False

Question 4

The goal of lean operations is to produce output using fewer resources than traditional planning systems.

Accepted Answer

A) True 
 B)False

Question 5

For a company with a product mix of 40% of product A and 30% each of products B and C, which of the following mixed-model sequences most reflects the lean philosophy?

Accepted Answer

A) AABBCCAABC 
B) ABCABCABCA 
C) AAAABBBCCC 
D) BCABCABCAB 
E) BBBAACCCAA 
A) AABBCCAABC 
B) ABCABCABCA 
C) AAAABBBCCC 
D) BCABCABCAB 
E) BBBAACCCAA

Question 6

"Autonomation" indicates that the firm is attempting to reduce its dependence on automated equipment.

Accepted Answer

A) True 
 B)False

Question 7

Value-stream mapping is a technique focused on finding new ways of adding value for critical stakeholders such as customers.

Accepted Answer

A) True 
 B)False

Question 8

One problem with lean operations is that they can lead to much frustration and disappointment of people on the shop floor due to the need for continuously monitoring and expediting resource availability.

Accepted Answer

A) True 
 B)False

Question 9

The term that refers to the automatic detection of defects is:

Accepted Answer

A) kaizen 
B) kanban 
C) autonomation 
D) automation 
E) 100% inspection 
A) kaizen 
B) kanban 
C) autonomation 
D) automation 
E) 100% inspection

Question 10

One way of reducing the number of suppliers to the organization is to limit contacts to only one or two tiers of suppliers.

Accepted Answer

A) True 
 B)False

Question 11

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 12

In lean operations, a responsibility of the cross-trained worker is to check the quality of the work of others.

Accepted Answer

A) True 
 B)False

Question 13

Value-stream mapping is concerned strictly with the flow of materials through a production system.

Accepted Answer

A) True 
 B)False

Question 14

It is important to lower the water (inventory) completely to expose all the rocks (problems).

Accepted Answer

A) True 
 B)False

Question 15

A production cell uses 240 pounds of plastic resin each 8-hour day.Resin is transported in drums that hold 100 pounds each.The material is obtained from a nearby supplier, and has a 12-hour cycle time.An efficiency factor of .15 has been assigned to this cell.What is the optimum number of containers to support this operation?

Accepted Answer

The answer of A production cell uses 240 pounds of...

Question 16

In the lean philosophy, producing more than two order quantities represents waste.

Accepted Answer

A) True 
 B)False

Question 17

The Five S's don't include _______.

Accepted Answer

A) Sort 
B) Straighten 
C) Sanitize 
D) Sweep 
E) Standardize 
A) Sort 
B) Straighten 
C) Sanitize 
D) Sweep 
E) Standardize

Question 18

Kanban focuses on specific part numbers; CONWIP does not.

Accepted Answer

A) True 
 B)False

Question 19

Lean operations are unable to easily handle changes of output or product mix.

Accepted Answer

A) True 
 B)False

Question 20

Increased setup times equal increased work in process inventories.

Accepted Answer

A) True 
 B)False

Exam 14: Jit and Lean Operations

A fundamental tenet of the lean philosophy is that workers are paid based on seniority.

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

Lean purchasing requires frequent contract bidding by multiple sources to ensure the buyer of competitive prices.

The goal of lean operations is to produce output using fewer resources than traditional planning systems.

For a company with a product mix of 40% of product A and 30% each of products B and C, which of the following mixed-model sequences most reflects the lean philosophy?

"Autonomation" indicates that the firm is attempting to reduce its dependence on automated equipment.

Value-stream mapping is a technique focused on finding new ways of adding value for critical stakeholders such as customers.

One problem with lean operations is that they can lead to much frustration and disappointment of people on the shop floor due to the need for continuously monitoring and expediting resource availability.

The term that refers to the automatic detection of defects is:

One way of reducing the number of suppliers to the organization is to limit contacts to only one or two tiers of suppliers.

In the lean philosophy, the ideal lot size is:

In lean operations, a responsibility of the cross-trained worker is to check the quality of the work of others.

Value-stream mapping is concerned strictly with the flow of materials through a production system.

It is important to lower the water (inventory) completely to expose all the rocks (problems).

In the lean philosophy, producing more than two order quantities represents waste.

The Five S's don't include _______.

Kanban focuses on specific part numbers; CONWIP does not.

Lean operations are unable to easily handle changes of output or product mix.

Increased setup times equal increased work in process inventories.

Introduction to Operations Management

Competitiveness, Strategy, and Productivity

Forecasting

Product and Service Design

Strategic Capacity Planning for Products and Services

Process Selection and Facility Layout

Work Design and Measurement

Location Planning and Analysis

Management of Quality

Quality Control

Aggregate Planning and Master Scheduling

MRP and ERP

Inventory Management

Supply Chain Management

Scheduling

Project Management

Management of Waiting Lines

Linear Programming

Extension 4: Reliability

Extension 5: Decision Theory

Extension 7: Learning Curves

Extension 8: The Transportation Model

Extension 10: Acceptance Sampling

Extension 14: Maintenance

Filters