Question 1

If demand exceeds supply in a transportation problem,the problem must be balanced by adding a dummy source with additional supply.

Accepted Answer

A) True 
 B)False

Question 2

A transportation model uses at least 10 sources and 100 destinations.If the ratio of sources to destinations remains constant,does the maximum % of cells used by the optimum solution remain constant? Why or why not?

Accepted Answer

Students should approach this problem in

Question 3

Consider the transportation problem and its optimal solution in the tables below.What is the value of the objective function?

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 4

Consider the transportation data set for a minimization problem below.   a.Calculate the initial solution using the northwest-corner rule.
b.Calculate improvement indices,iterate,and solve for the optimal shipping pattern.

Accepted Answer

The initial solution and impro

Question 5

The Northwest-Corner rule's biggest flaw is that

Accepted Answer

A) it ignores costs. 
B) it cannot generate feasible solutions. 
C) it never generates ideal solutions. 
D) it ignores shipping time. 
E) There are no major flaws. 
A) it ignores costs. 
B) it cannot generate feasible solutions. 
C) it never generates ideal solutions. 
D) it ignores shipping time. 
E) There are no major flaws.

Question 6

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 7

For the problem data set below,what is the northwest corner allocation to the cell Source 1 -Destination 2?

Accepted Answer

A) 0 
B) 15 
C) 25 
D) 45 
E) 35 
A) 0 
B) 15 
C) 25 
D) 45 
E) 35

Question 8

Which of the following is true for degenerate problems?

Accepted Answer

A) They do not contain a feasible solution. 
B) They cannot contain an optimal solution. 
C) Supply is greater than demand. 
D) Demand is greater than supply. 
E) None of the above. 
A) They do not contain a feasible solution. 
B) They cannot contain an optimal solution. 
C) Supply is greater than demand. 
D) Demand is greater than supply. 
E) None of the above.

Question 9

In formulating a transportation problem,you discover that one of the route combinations is forbidden by contract,or prohibited by law,or ruled out by company policy.How would you indicate the cost of that cell in preparing the problem to be solved?

Accepted Answer

The easiest way to "prohibit" a route is

Question 10

The total cost of the optimal solution to a transportation problem

Accepted Answer

A) is calculated by multiplying the total supply (including any dummy values)by the average cost of the cells. 
B) cannot be calculated from the information given. 
C) can be calculated based only on the entries in the filled cells of the solution. 
D) can be calculated from the original northwest corner solution. 
E) is found by multiplying the amounts in each cell by the cost for that cell for each row and then subtracting the products of the amounts in each cell times the cost of each cell for the columns. 
A) is calculated by multiplying the total supply (including any dummy values)by the average cost of the cells. 
B) cannot be calculated from the information given. 
C) can be calculated based only on the entries in the filled cells of the solution. 
D) can be calculated from the original northwest corner solution. 
E) is found by multiplying the amounts in each cell by the cost for that cell for each row and then subtracting the products of the amounts in each cell times the cost of each cell for the columns.

Question 11

The number of routes filled by a solution to a transportation problem is no larger than ________.

Accepted Answer

the sum of

Question 12

A transportation problem has 10 origins and 32 destinations.How many possible routes are there for this problem? How many routes will be used in the optimal solution?

Accepted Answer

The number of possible routes is origins

Question 13

What purpose does the northwest-corner rule serve?

Accepted Answer

The northwest-corner is a procedure used

Question 14

One difference between the stepping-stone method compared to the Northwest-corner and intuitive method is that

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 Northwest-corner and intuitive method guarantees sub-optimal solutions. 
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 Northwest-corner and intuitive method guarantees sub-optimal solutions.

If demand exceeds supply in a transportation problem,the problem must be balanced by adding a dummy source with additional supply.

A transportation model uses at least 10 sources and 100 destinations.If the ratio of sources to destinations remains constant,does the maximum % of cells used by the optimum solution remain constant? Why or why not?

Consider the transportation problem and its optimal solution in the tables below.What is the value of the objective function?

Consider the transportation data set for a minimization problem below. a.Calculate the initial solution using the northwest-corner rule. b.Calculate improvement indices,iterate,and solve for the optimal shipping pattern.

The Northwest-Corner rule's biggest flaw is that

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

For the problem data set below,what is the northwest corner allocation to the cell Source 1 -Destination 2?

Which of the following is true for degenerate problems?

In formulating a transportation problem,you discover that one of the route combinations is forbidden by contract,or prohibited by law,or ruled out by company policy.How would you indicate the cost of that cell in preparing the problem to be solved?

The total cost of the optimal solution to a transportation problem

The number of routes filled by a solution to a transportation problem is no larger than ________.

A transportation problem has 10 origins and 32 destinations.How many possible routes are there for this problem? How many routes will be used in the optimal solution?

What purpose does the northwest-corner rule serve?

One difference between the stepping-stone method compared to the Northwest-corner and intuitive method is that

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Statistical Process Control

Process Strategy and Sustainability

Capacity and Constraint Management

Location Strategies

Layout Strategies

Human Resources,job Design,and Work Measurement

Supply-Chain Management

Outsourcing As a Supply-Chain Strategy

Inventory Management

Aggregate Planning

Material Requirements Planning Mrpand Erp

Short-Term Scheduling

Jit and Lean Operations

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Waiting-Line Models

Learning Curves

Simulation

Filters

Exam 23: Transportation Models

If demand exceeds supply in a transportation problem,the problem must be balanced by adding a dummy source with additional supply.

A transportation model uses at least 10 sources and 100 destinations.If the ratio of sources to destinations remains constant,does the maximum % of cells used by the optimum solution remain constant? Why or why not?

Consider the transportation problem and its optimal solution in the tables below.What is the value of the objective function?

Consider the transportation data set for a minimization problem below. a.Calculate the initial solution using the northwest-corner rule. b.Calculate improvement indices,iterate,and solve for the optimal shipping pattern.

The Northwest-Corner rule's biggest flaw is that

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

For the problem data set below,what is the northwest corner allocation to the cell Source 1 -Destination 2?

Which of the following is true for degenerate problems?

In formulating a transportation problem,you discover that one of the route combinations is forbidden by contract,or prohibited by law,or ruled out by company policy.How would you indicate the cost of that cell in preparing the problem to be solved?

The total cost of the optimal solution to a transportation problem

The number of routes filled by a solution to a transportation problem is no larger than ________.

A transportation problem has 10 origins and 32 destinations.How many possible routes are there for this problem? How many routes will be used in the optimal solution?

What purpose does the northwest-corner rule serve?

One difference between the stepping-stone method compared to the Northwest-corner and intuitive method is that

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Statistical Process Control

Process Strategy and Sustainability

Capacity and Constraint Management

Location Strategies

Layout Strategies

Human Resources,job Design,and Work Measurement

Supply-Chain Management

Outsourcing As a Supply-Chain Strategy

Inventory Management

Aggregate Planning

Material Requirements Planning Mrpand Erp

Short-Term Scheduling

Jit and Lean Operations

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Waiting-Line Models

Learning Curves

Simulation

Filters