Question 1

In a minimization problem,a negative improvement index in a cell indicates that the:

Accepted Answer

A) solution is optimal. 
B) total cost will increase if units are reallocated to that cell. 
C) current iteration is worse than the previous one. 
D) total cost will decrease if units are reallocated to that cell. 
E) problem has no feasible solution. 
A) solution is optimal. 
B) total cost will increase if units are reallocated to that cell. 
C) current iteration is worse than the previous one. 
D) total cost will decrease if units are reallocated to that cell. 
E) problem has no feasible solution.

Question 2

What purpose does the northwest-corner rule serve?

Accepted Answer

The northwest-corner is a procedure used

Question 3

One difference in the stepping-stone method compared to the northwest-corner and intuitive methods is:

Accepted Answer

A) the stepping-stone method never finds a feasible solution. 
B) the stepping-stone method ignores costs. 
C) the stepping-stone method ALWAYS finds a lower-cost solution. 
D) the stepping-stone method guarantees an optimal solution. 
E) the stepping-stone method does not consider factory capacities. 
A) the stepping-stone method never finds a feasible solution. 
B) the stepping-stone method ignores costs. 
C) the stepping-stone method ALWAYS finds a lower-cost solution. 
D) the stepping-stone method guarantees an optimal solution. 
E) the stepping-stone method does not consider factory capacities.

Question 4

What is the difference between a feasible solution and an optimal solution?

Accepted Answer

A feasible solution,like in linear progr

Question 5

The purpose of the transportation approach for location analysis is to minimize which of the following?

Accepted Answer

A) total costs 
B) total variable costs 
C) total fixed costs 
D) total shipping costs 
E) the number of shipments 
A) total costs 
B) total variable costs 
C) total fixed costs 
D) total shipping costs 
E) the number of shipments

Question 6

The Shamrock Transportation Company has four terminals: A,B,C,and D.At the start of a particular day,there are 8,8,6,and 3 tractors available at those terminals,respectively.During the previous night,trailers were loaded at plants R,S,T,and U.The number of trailers at each plant is 2,12,5,and 6,respectively.The company dispatcher has determined the distances between each terminal and each plant,as follows.How many tractors should be dispatched from each terminal to each plant in order to minimize the total number of miles traveled?

Accepted Answer

The optimal solution

Question 7

Consider the transportation problem and its optimal solution in the tables below.What is total shipping cost?

Accepted Answer

A) 0 
B) $169 
C) 300 units 
D) $2,100 
E) $3,140 
A) 0 
B) $169 
C) 300 units 
D) $2,100 
E) $3,140

Question 8

What does the stepping-stone method do?

Accepted Answer

The stepping-stone method is a

Question 9

Degeneracy occurs when the number of occupied squares is less than the number of rows plus the number of columns minus one.

Accepted Answer

A) True 
 B)False

Question 10

An improvement index indicates:

Accepted Answer

A) whether a method other than the stepping-stone should be used. 
B) whether a method other than the northwest-corner rule should be used. 
C) how much total cost would increase or decrease if a single unit was reallocated to that cell. 
D) whether the transportation cost in the upper left-hand corner of a cell is optimal. 
E) how much total cost would increase or decrease if the largest possible quantity were reallocated to that cell. 
A) whether a method other than the stepping-stone should be used. 
B) whether a method other than the northwest-corner rule should be used. 
C) how much total cost would increase or decrease if a single unit was reallocated to that cell. 
D) whether the transportation cost in the upper left-hand corner of a cell is optimal. 
E) how much total cost would increase or decrease if the largest possible quantity were reallocated to that cell.

Question 11

For the problem below,what is the quantity assigned to the cell Source 1-Destination 2 using the intuitive method for an initial feasible solution?

Accepted Answer

A) 1 
B) 5 
C) 30 
D) 45 
E) 50 
A) 1 
B) 5 
C) 30 
D) 45 
E) 50

Question 12

Find the minimum cost solution for the transportation problem detailed in the table below.   Before your solution can be implemented,you discover that the combination Source 3 - Destination 1 is unavailable,due to political turmoil in the country where Source 3 is located.Solve the revised problem.How much is cost increased by this complication?

Accepted Answer

The first solution is in the first table

Question 13

The transportation method is a special case of the family of problems known as what?

Accepted Answer

A) regression problems 
B) decision tree problems 
C) linear programming problems 
D) simulation problems 
E) statistical problems 
A) regression problems 
B) decision tree problems 
C) linear programming problems 
D) simulation problems 
E) statistical problems

Question 14

Neither the northwest-corner rule nor the intuitive method considers shipping cost in making initial allocations.

Accepted Answer

A) True 
 B)False

Question 15

A transportation problem has a feasible solution when:

Accepted Answer

A) all of the improvement indices are greater than or equal to zero. 
B) all demand and supply constraints are satisfied. 
C) the number of filled cells is one less than the number of rows plus the number of columns. 
D) all the squares are used. 
E) the solution yields the lowest possible cost. 
A) all of the improvement indices are greater than or equal to zero. 
B) all demand and supply constraints are satisfied. 
C) the number of filled cells is one less than the number of rows plus the number of columns. 
D) all the squares are used. 
E) the solution yields the lowest possible cost.

Question 16

Find the minimum cost shipping solution for the transportation problem data set in the table below.Provide a table of shipping quantities and the minimum value for the shipping cost.

Accepted Answer

(a)The optimal solut

Question 17

The transportation model seeks satisfactory,but not necessarily optimal,solutions for shipping goods from several origins to several destinations.

Accepted Answer

A) True 
 B)False

Question 18

In transportation model analysis,the stepping-stone method is used to:

Accepted Answer

A) identify a dummy origin point. 
B) obtain an initial feasible solution. 
C) evaluate empty cells for possible degeneracy. 
D) balance supply and demand. 
E) evaluate empty cells for potential solution improvements. 
A) identify a dummy origin point. 
B) obtain an initial feasible solution. 
C) evaluate empty cells for possible degeneracy. 
D) balance supply and demand. 
E) evaluate empty cells for potential solution improvements.

Question 19

A transportation problem has two origins: A can supply 20 units and B can supply 30 units.This problem has two destinations: C requires 25 units and D requires 35 units.Which of the following is true?

Accepted Answer

A) The problem will require a dummy demand with a capacity of 10 units. 
B) The problem is unbalanced and cannot be solved by the transportation method. 
C) The problem will require a dummy supply with a capacity of 10 units. 
D) Destinations C and D must each receive 5 units less than they require. 
E) None of the above is true. 
A) The problem will require a dummy demand with a capacity of 10 units. 
B) The problem is unbalanced and cannot be solved by the transportation method. 
C) The problem will require a dummy supply with a capacity of 10 units. 
D) Destinations C and D must each receive 5 units less than they require. 
E) None of the above is true.

Question 20

The ________ is an iterative technique for moving from an initial feasible solution to an optimal solution in the transportation method.

Accepted Answer

stepping-s

Exam 24: Transportation Models

In a minimization problem,a negative improvement index in a cell indicates that the:

What purpose does the northwest-corner rule serve?

One difference in the stepping-stone method compared to the northwest-corner and intuitive methods is:

What is the difference between a feasible solution and an optimal solution?

The purpose of the transportation approach for location analysis is to minimize which of the following?

Consider the transportation problem and its optimal solution in the tables below.What is total shipping cost?

What does the stepping-stone method do?

Degeneracy occurs when the number of occupied squares is less than the number of rows plus the number of columns minus one.

An improvement index indicates:

For the problem below,what is the quantity assigned to the cell Source 1-Destination 2 using the intuitive method for an initial feasible solution?

The transportation method is a special case of the family of problems known as what?

Neither the northwest-corner rule nor the intuitive method considers shipping cost in making initial allocations.

A transportation problem has a feasible solution when:

Find the minimum cost shipping solution for the transportation problem data set in the table below.Provide a table of shipping quantities and the minimum value for the shipping cost.

The transportation model seeks satisfactory,but not necessarily optimal,solutions for shipping goods from several origins to several destinations.

In transportation model analysis,the stepping-stone method is used to:

A transportation problem has two origins: A can supply 20 units and B can supply 30 units.This problem has two destinations: C requires 25 units and D requires 35 units.Which of the following is true?

The ________ is an iterative technique for moving from an initial feasible solution to an optimal solution in the transportation method.

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Process Strategy

Location Strategies

Layout Strategies

Human Resources,job Design,and Work Measurement

Supply Chain Management

Inventory Management

Aggregate Planning and Sop

Material Requirements Planning Mrpand ERP

Short-Term Scheduling

Lean Operations

Maintenance and Reliability

Sustainability in the Supply Chain

Statistical Process Control

Capacity and Constraint Management

Supply Chain Management Analytics

Decision-Making Tools

Linear Programming

Waiting-Line Models

Learning Curves

Simulation

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