Question 1

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

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 2

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 3

A large transportation problem has 220 origins and 1360 destinations. The optimal solution of this problem will fill no more than about __________ of cells with quantities to be shipped.

Accepted Answer

A)  one-half of one percent 
B)  five percent 
C)  ten percent 
D)  twenty-five 
E)  All cells will be occupied. 
A)  one-half of one percent 
B)  five percent 
C)  ten percent 
D)  twenty-five 
E)  All cells will be occupied.

Question 4

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

Accepted Answer

the sum of

Question 5

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 6

What is transportation modeling?

Accepted Answer

Transportation modeling finds

Question 7

For the transportation problem below, construct an initial feasible solution using the intuitive method.

Accepted Answer

The lowest cost in the matrix is 7; assi

Question 8

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 9

The initial solution to a transportation problem can be generated several ways, so long as

Accepted Answer

A)  it minimizes cost 
B)  it ignores cost 
C)  all supply and demand conditions are satisfied 
D)  degeneracy does not exist 
E)  all cells are filled 
A)  it minimizes cost 
B)  it ignores cost 
C)  all supply and demand conditions are satisfied 
D)  degeneracy does not exist 
E)  all cells are filled

Question 10

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

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 11

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 12

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 13

When does degeneracy occur in a transportation model?

Accepted Answer

Degeneracy occurs when the num

Question 14

Which of the following combinations of sources and destinations would fill no more than 25% of cells with quantities to be shipped for the optimal solution?

Accepted Answer

A)  1 to 1 
B)  1 to 4 
C)  4 to 1 
D)  8 to 2 
E)  5 to 16 
A)  1 to 1 
B)  1 to 4 
C)  4 to 1 
D)  8 to 2 
E)  5 to 16

Question 15

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 16

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 17

State, in order, the three steps in making an initial allocation with the northwest-corner rule.

Accepted Answer

The three steps in making an initial all

Question 18

The three information needs of a transportation problem are the origin points and the capacity at each, the destination points and the demand at each, and __________.

Accepted Answer

the cost of shipping

Question 19

The main difference between the intuitive lowest-cost method and the Northwest-corner rule is that

Accepted Answer

A)  the intuitive lowest-cost method always generates a better solution 
B)  the Northwest-corner rule is faster 
C)  the Northwest-corner rule ignores cost 
D)  only the intuitive lowest-cost method generates an optimal solution 
E)  None of the above are accurate. 
A)  the intuitive lowest-cost method always generates a better solution 
B)  the Northwest-corner rule is faster 
C)  the Northwest-corner rule ignores cost 
D)  only the intuitive lowest-cost method generates an optimal solution 
E)  None of the above are accurate.

Question 20

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

Accepted Answer

Step 1: The smaller value at the interse

Exam 20: The Simplex Method of Linear Programming

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

A transportation problem has a feasible solution when

A large transportation problem has 220 origins and 1360 destinations. The optimal solution of this problem will fill no more than about __________ of cells with quantities to be shipped.

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

Which of the following is true for degenerate problems?

What is transportation modeling?

For the transportation problem below, construct an initial feasible solution using the intuitive method.

The Northwest-Corner rule's biggest flaw is that

The initial solution to a transportation problem can be generated several ways, so long as

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

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

An improvement index indicates

When does degeneracy occur in a transportation model?

Which of the following combinations of sources and destinations would fill no more than 25% of cells with quantities to be shipped for the optimal solution?

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

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

State, in order, the three steps in making an initial allocation with the northwest-corner rule.

The three information needs of a transportation problem are the origin points and the capacity at each, the destination points and the demand at each, and __________.

The main difference between the intuitive lowest-cost method and the Northwest-corner rule is that

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

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

Material Requirements Planning Mrp and Erp

Short-Term Scheduling

Just-In-Time and Lean Options

Maintenance and Reliability

Statistical Tools for Managers

Acceptance Sampling

The Modi and Vam Methods of Solving Transportation Problems

Vehicle Routing and Scheduling

Managing Quality

Process Strategy

Supply-Chain Management

Vehicle Routing and Scheduling

Filters