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Operations Research
Start Test
Study First
Subject
:
business-skills
Instructions:
Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The case in which more than one solution provides the optimal value for the objective function.
Dual Price
Alternative optimal solution
Linear Program
Aggregate Planning
2. A controllable input for a linear programming model.
Forward (or downstream)
Product Pricing
Decision Variable
Alternative optimal solution
3. The situation in which the value of the solution may be made infinitely small in a minimization problem wtihout violating any of the constraints.
Unbounded
Objective Function
Product Pricing
Mathematical Model
4. One option for altering the pattern of demand which impacts aggregate planning is...
Decision Variable
Dual Price
Objective Function
Product Pricing
5. A representation of a problem where teh objective and all constraint conditions are described by mathematical expressions.
Decision Variable
Mathematical Model
Linear Program
Aggregate Planning
6. The process of translating a verbal statement of a problem into a mathematical statement called the mathematical model.
Alternative optimal solution
Problem Formulation
Linear functions
Aggregate Planning
7. The improvement in the value of the optimal solution per unit increase in the right-hand side of a constraint.
Linear Program
Dual Price
Sunk Cost
Unbounded
8. A constraint that does not affect teh feasible region. If a constraint is redundant - it can be removed from the problem without affecting the feasible region.
Redundant Constraint
Linear Program
Objective Function
Feasible Solution
9. A variable added to teh left-hand side of a less-than-or-equal-to constraint to convert teh constraint into an equality. The value of this variable can usually be interpreted as the amount of unused resource.
Dual Price
Objective Function
Slack Variable
Feasible Solution
10. The distribution channel is the ______________ part of the supply chain from manufacturer to consumer.
Linear Program
Forward (or downstream)
Redundant Constraint
Reduced Cost
11. The amount by whcih an objective function coefficient would have to improve (increase for a maximization problem - decrease for a minimization problem) before it would be possible for the corresponding variable to assume a positive value in the opti
Reduced Cost
Surplus Variable
Sensitivity analysis
Infeasibility
12. It requires that inventory be classified according to Annual dollar usage
Decision Variable
Problem Formulation
ABC analysis
Forward (or downstream)
13. The firm produces exactly what is needed every month adjusting short term capacity through the use of overtime - part-time - temporary and contracted workers.
Extreme Point
Linear functions
100 percent Rule
Chase Strategy
14. The study of how changes in teh coefficients of a linear pgoramming problem affect the optimal solution.
ABC analysis
Alternative optimal solution
Feasible Solution
Sensitivity analysis
15. A cost that is not affected by the decision made. It will be incurred no matter wha tvalues the decision variables assume.
Aggregate Planning
Sunk Cost
Large Cushion
Nonnegativity Constraints
16. It assumes that the facility decisions are made and cannot be easily changed over the next 6 to 18 months.
Linear functions
Stockout costs
Aggregate Planning
Forward (or downstream)
17. A solution that satisfies all the constraints simultaneously.
Reduced Cost
Aggregate Planning
Objective Function
Feasible Solution
18. Of the cost elements making up total inventory cost - which is the most difficult to estimate?
Large Cushion
100 percent Rule
Stockout costs
Chase Strategy
19. The set of all feasible solutions.
Feasible Region
Linear Program
ABC analysis
Unbounded
20. In facility planning - which capacity cushion strategy would be appropriate when the cost of stockouts far exceeds the cost of additional building - equipment and resources?
Slack Variable
Mathematical Model
Constraint
Large Cushion
21. A mathematical model with a linear objective function - a set of linear constraints - and nonnegative variables.
Aggregate Planning
Surplus Variable
Standard Form
Linear Program
22. The situation in which no solution to the linear programming problem satisfies all of the constraints.
Redundant Constraint
Infeasibility
Extreme Point
Forward (or downstream)
23. Mathematical expressions in which the variables appear in separate terms and are raised to the first power.
Reduced Cost
Objective Function
Linear Program
Linear functions
24. An equation or inequality that rules out certain combinations of decision variables as feasible solutions.
Infeasibility
Constraint
Alternative optimal solution
Sunk Cost
25. Graphically speaking - the feasible solution points occurring at the vertices or "corners" of the feasible region. With two-variable problems - they are determined by the intersection of the constraint lines.
Reduced Cost
Extreme Point
ABC analysis
Feasible Region
26. A cost that depends upon the decision made. The amount will vary depending on the values of the decision variables.
Feasible Solution
Relevant Cost
Nonnegativity Constraints
Unbounded
27. The expression that defines teh quantity to be maximized or minimized in a linear programming model.
Linear functions
Objective Function
Redundant Constraint
Dual Price
28. A set of constraints that requires all variables to be nonnegative.
Infeasibility
Slack Variable
Dual Price
Nonnegativity Constraints
29. A variable subtracted from teh lef-hand side of a greater-than-or-equal-to constraint to convert the constraint into an equality. The value of this varible can usually be interpreted as the amount over and above some required minimum level.
Surplus Variable
Reduced Cost
ABC analysis
Redundant Constraint
30. A linear program in which all of the constraints are written as equalities. The optimal solution is the same as the optimal solution of the original formulation of the linear program.
Standard Form
Slack Variable
Sensitivity analysis
Problem Formulation
31. A rule indicating when simultaneous change in two or more objection function coefficients will not cause a change in the optimal values for the decision variables. It can also be applied to indicate when two or more right-hand-side changes will not c
100 percent Rule
Problem Formulation
Alternative optimal solution
Aggregate Planning