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Test your basic knowledge |
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 firm produces exactly what is needed every month adjusting short term capacity through the use of overtime - part-time - temporary and contracted workers.
Surplus Variable
Constraint
Chase Strategy
Alternative optimal solution
2. 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.
Aggregate Planning
Surplus Variable
Infeasibility
Extreme Point
3. The set of all feasible solutions.
Feasible Region
Sunk Cost
Slack Variable
Surplus Variable
4. The improvement in the value of the optimal solution per unit increase in the right-hand side of a constraint.
Redundant Constraint
Dual Price
Mathematical Model
Large Cushion
5. The process of translating a verbal statement of a problem into a mathematical statement called the mathematical model.
Problem Formulation
Slack Variable
Relevant Cost
Alternative optimal solution
6. One option for altering the pattern of demand which impacts aggregate planning is...
Stockout costs
Mathematical Model
Surplus Variable
Product Pricing
7. The study of how changes in teh coefficients of a linear pgoramming problem affect the optimal solution.
Sensitivity analysis
Constraint
Extreme Point
Unbounded
8. Of the cost elements making up total inventory cost - which is the most difficult to estimate?
Stockout costs
Alternative optimal solution
Sunk Cost
Linear Program
9. It requires that inventory be classified according to Annual dollar usage
Linear functions
ABC analysis
Alternative optimal solution
Sensitivity analysis
10. 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.
Reduced Cost
Standard Form
Problem Formulation
Dual Price
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
Decision Variable
Forward (or downstream)
Alternative optimal solution
12. It assumes that the facility decisions are made and cannot be easily changed over the next 6 to 18 months.
Linear functions
Chase Strategy
Linear Program
Aggregate Planning
13. The distribution channel is the ______________ part of the supply chain from manufacturer to consumer.
Forward (or downstream)
Decision Variable
Infeasibility
100 percent Rule
14. Mathematical expressions in which the variables appear in separate terms and are raised to the first power.
Mathematical Model
Linear functions
Sunk Cost
Problem Formulation
15. A cost that is not affected by the decision made. It will be incurred no matter wha tvalues the decision variables assume.
Sunk Cost
Redundant Constraint
Large Cushion
Infeasibility
16. The situation in which no solution to the linear programming problem satisfies all of the constraints.
Slack Variable
Infeasibility
Feasible Region
Product Pricing
17. 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.
Objective Function
ABC analysis
Feasible Solution
Redundant Constraint
18. 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.
Reduced Cost
Surplus Variable
100 percent Rule
Sensitivity analysis
19. An equation or inequality that rules out certain combinations of decision variables as feasible solutions.
Constraint
Standard Form
Slack Variable
Decision Variable
20. A controllable input for a linear programming model.
Decision Variable
Alternative optimal solution
Feasible Solution
Forward (or downstream)
21. A cost that depends upon the decision made. The amount will vary depending on the values of the decision variables.
Large Cushion
Feasible Region
Alternative optimal solution
Relevant Cost
22. The situation in which the value of the solution may be made infinitely small in a minimization problem wtihout violating any of the constraints.
Constraint
Unbounded
ABC analysis
Mathematical Model
23. A mathematical model with a linear objective function - a set of linear constraints - and nonnegative variables.
Slack Variable
Linear Program
Decision Variable
Dual Price
24. A set of constraints that requires all variables to be nonnegative.
Aggregate Planning
Reduced Cost
Nonnegativity Constraints
Sunk Cost
25. 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
Extreme Point
Linear functions
Reduced Cost
100 percent Rule
26. A representation of a problem where teh objective and all constraint conditions are described by mathematical expressions.
Standard Form
Infeasibility
Mathematical Model
Large Cushion
27. 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?
Extreme Point
Large Cushion
Relevant Cost
Nonnegativity Constraints
28. The case in which more than one solution provides the optimal value for the objective function.
Mathematical Model
Alternative optimal solution
Slack Variable
ABC analysis
29. A solution that satisfies all the constraints simultaneously.
Feasible Solution
Decision Variable
Redundant Constraint
Sensitivity analysis
30. 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.
Slack Variable
Standard Form
Mathematical Model
Dual Price
31. The expression that defines teh quantity to be maximized or minimized in a linear programming model.
Forward (or downstream)
Redundant Constraint
Objective Function
Alternative optimal solution