Question 1

For the problem data set below,what is the northwest corner allocation to the cell Source 3-Destination 3?

Accepted Answer

A) 0 
B) 15 
C) 20 
D) 35 
E) 45 
A) 0 
B) 15 
C) 20 
D) 35 
E) 45

Question 2

Which of the following is NOT information needed for a transportation problem?

Accepted Answer

A) the cost of shipping one unit from each origin to each destination 
B) the set of destinations and the demand at each 
C) the set of origins and the demand at each origin 
D) the list of sources and the capacity at each 
E) None of the above is needed. 
A) the cost of shipping one unit from each origin to each destination 
B) the set of destinations and the demand at each 
C) the set of origins and the demand at each origin 
D) the list of sources and the capacity at each 
E) None of the above is needed.

Question 3

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 4

Given the following feasible solution,determine if the problem is degenerate and then find the optimal solution and its cost.Assume that capacity for source A is 10 and 30 for source B.Destination A demands 10 units while destination B demands 30 units.Cost of shipping per unit is given as AA ($4),AB ($1),BA ($3),and BB ($2).

Accepted Answer

The number of cells used should be 4 - 1

Question 5

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 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

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

Accepted Answer

A) True 
 B)False

Question 8

Find the minimum cost solution for the transportation problem detailed in the table below.Explain carefully the meaning of any quantity in a "dummy" row or column.

Accepted Answer

The optimum solution,which costs $1370,a

Question 9

The transportation model is an excellent tool for minimizing shipping costs among existing facilities,but it is not useful when firms consider new facility locations.

Accepted Answer

A) True 
 B)False

Question 10

When the number of shipments in a feasible solution is less than the number of rows plus the number of columns minus one:

Accepted Answer

A) the solution is optimal. 
B) a dummy source must be created. 
C) a dummy destination must be created. 
D) there is degeneracy,and an artificial allocation must be created. 
E) the closed path has a triangular shape. 
A) the solution is optimal. 
B) a dummy source must be created. 
C) a dummy destination must be created. 
D) there is degeneracy,and an artificial allocation must be created. 
E) the closed path has a triangular shape.

Question 11

What is transportation modeling?

Accepted Answer

Transportation modeling finds

Question 12

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 normally included in a transportation problem. 
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 normally included in a transportation problem. 
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 13

A transportation problem has 8 origins and 6 destinations.The optimal solution of this problem will fill no more than ________ cells with quantities to be shipped.

Accepted Answer

A) 2 
B) 13 
C) 14 
D) 48 
E) Cannot be calculated without knowing the supply and demand totals. 
A) 2 
B) 13 
C) 14 
D) 48 
E) Cannot be calculated without knowing the supply and demand totals.

Question 14

The elements of a transportation problem that supply goods are referred to as ________.

Accepted Answer

origins,or

Question 15

For the data below,construct an initial feasible solution using the northwest-corner rule.

Accepted Answer

Step 1: The smaller value at the interse

Question 16

What purpose does the northwest-corner rule serve?

Accepted Answer

The northwest-corner is a procedure used

Question 17

Source A has capacity of 15,Source B has capacity of 30,Destination 1 has demand of 5 and Destination 2 has demand of 20.Fill in the following table with the correct initial solution for a northwest-corner method approach.

Accepted Answer

@#IMG-DLM& Students should realize the n

Question 18

The ________ develops an initial feasible solution for a transportation model by starting at the upper left-hand cell of a table and systematically allocating units to shipping points.

Accepted Answer

northwest-

Question 19

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 20

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

Exam 24: Transportation Models

For the problem data set below,what is the northwest corner allocation to the cell Source 3-Destination 3?

Which of the following is NOT information needed for a transportation problem?

An improvement index indicates:

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

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

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

Find the minimum cost solution for the transportation problem detailed in the table below.Explain carefully the meaning of any quantity in a "dummy" row or column.

The transportation model is an excellent tool for minimizing shipping costs among existing facilities,but it is not useful when firms consider new facility locations.

When the number of shipments in a feasible solution is less than the number of rows plus the number of columns minus one:

What is transportation modeling?

The total cost of the optimal solution to a transportation problem:

A transportation problem has 8 origins and 6 destinations.The optimal solution of this problem will fill no more than ________ cells with quantities to be shipped.

The elements of a transportation problem that supply goods are referred to as ________.

For the data below,construct an initial feasible solution using the northwest-corner rule.

What purpose does the northwest-corner rule serve?

Source A has capacity of 15,Source B has capacity of 30,Destination 1 has demand of 5 and Destination 2 has demand of 20.Fill in the following table with the correct initial solution for a northwest-corner method approach.

The ________ develops an initial feasible solution for a transportation model by starting at the upper left-hand cell of a table and systematically allocating units to shipping points.

The northwest-corner rule's biggest flaw is that:

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.

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

Jit,tps,and 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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