QN01. Operations research analysts do not
- Predict future operations
- Build more than one model
- Collect relevant data
- Recommend decision and accept
Answer
(A)Predict future operations
QN02. The name management science is preferred by
- Americans
- English
- French
- Latin
Answer
(A)Americans
QN03. ______________ Theory is an important operations research technique to analyze the queuing behaviour.
- Waiting line
- Net work
- Decision
- Simulation
Answer
(A)Waiting line
QN04. A map indicates roads, highways, towns and the interrelationship is an ______________ model
- Iconic
- mathematical
- analogue
- none of the above
Answer
(A)Iconic
QN05. Constraints in an LP model represent
- Limitations
- Requirements
- Balancing limitation
- all of the above
Answer
(D)all of the above
QN06. Most of the constraints in the linear programming problem are expressed as ______________
- Equality
- Inequality
- Uncertain
- all of the above
Answer
(B)Inequality
QN07. The solution space of a LP problem is unbounded due to
- An incorrect formulation of the LP model
- Objective function is unbounded
- Neither (a) nor (b)
- Both (a) and (b)
Answer
(C)Neither (a) nor (b)
QN08. While solving an LP problem infeasibility may be removed by
- Adding another constraint
- Adding another variable
- Removing a constraint
- Removing a variable
Answer
(C)Removing a constraint
QN09. An activity which must be completed before one or more other activities start is known as ______________ activity.
- Predecessor
- Successor
- Dummy
- End
Answer
(A)Predecessor
QN10. Alternative solutions exists of an LP model when
- One of the constraints is redundant.
- Objective function equation is parallel to one of the constraints
- Two constraints are parallel.
- all of the above
Answer
(B)Objective function equation is parallel to one of the constraints
QN11. ______________ is the latest time by which an activity can be started without delaying the completion of the project.
- EST
- EFT
- LST
- LFT
Answer
(C)LST
QN12. An activity which must be completed before one or more other activities start is known as ______________ activity.
- Dummy
- Predecessor
- Successor
- None of these
Answer
(B)Predecessor
QN13. ______________ is the shortest possible time in which an activity can be delayed without delaying the project.
- Pessimistic time estimate
- Optimistic time estimate
- Most likely time estimate
- None of these
Answer
(B)Optimistic time estimate
QN14. What decision-making condition must exist for the decision tree to be a valuable tool?
- Certainty
- Uncertainty
- Risk
- It does not matter, the tool is appropriate in all environments
Answer
(C)Risk
QN15. The criteria of expected monetary value is used for making decisions under
- Certainty
- Uncertainty
- Risk
- all of the above
Answer
(D)all of the above
QN16. The minimum expected opportunity loss is
- Equal to EVPI
- Minimum regret
- Equal to EMV
- Both (a) and (b)
Answer
(D)Both (a) and (b)
QN17. The objective of network analysis is to
- Minimize total project duration
- Minimize total project cost
- Minimize production delays, interruption and conflicts
- All of the above
Answer
(A)Minimize total project duration
QN18. Decision variables are
- Controllable
- Uncontrollable
- Parameters
- None of the above
Answer
(A)Controllable
QN19. An optimization model
- Mathematically provides best decision
- Provides decision with limited context
- Helps in evaluating various alternatives constantly
- All of the above
Answer
(D)All of the above
QN20. Modern scientific management research originated during ______________
- World war II
- World war I
- 1990
- 1993
Answer
(A)World war II
QN21. ______________ Example of probabilistic model
- Game theory
- Charts
- Graphs
- All the above
Answer
(A)Game theory
QN22. The best use of linear programming technique is to find an optimal use of
- Money
- Man power
- Machine
- all of the above
Answer
(D)all of the above
QN23. Which of the following is not a category of linear programming problems?
- Resource allocation problem
- Cost benefit trade off problem
- Distribution network problem
- All of the above are categories of linear programming problems.
Answer
(D)All of the above are categories of linear programming problems.
QN24. In linear programming problem if all constraints are less than or equal to, then the feasible region is
- Above lines
- Below the lines
- Unbounded
- None of the above
Answer
(B)Below the lines
QN25. An event which represents the beginning of more than one activity is known as ______________ event.
- Merge
- Net
- Burst
- None of the above
Answer
(C)Burst
QN26. L ______________ is that sequence of activities which determines the total project time.
- Net work
- Critical path
- Critical activities
- None of the above
Answer
(B)Critical path
QN27. ______________ is the duration by which an activity can be delayed without delaying the project
- Slack
- Total float
- Free float
- Independent float
Answer
(B)Total float
QN28. ______________ is event oriented.
- CPM
- PERT
- LP
- None of the above
Answer
(B)PERT
QN29. ______________ is the disconnection of an activity before the completion of activities in a project network diagram.
- Dangling
- Looping
- Dummy
- None of the above
Answer
(C)Dummy
QN30. If a decision theory problem has 3 decision alternatives and 4 states of nature, the number of payoffs in that problem will be
- 3
- 4
- 12
- 64
Answer
(C)12
QN31. All of the following are steps in the decision-making process EXCEPT
- Define the problem
- List alternatives
- Identify the possible outcomes
- Compute the posterior probabilities.
Answer
(D)Compute the posterior probabilities.
QN32. The minimum EOL will always result in the same decision as
- Minimax
- Maximin
- Maximum EMV
- Maximax
Answer
(C)Maximum EMV
QN33. The decision making criteria that should be used to achieve maximum long term pay off is
- EOL
- EMV
- Hurwicz
- Maximax
Answer
(B)EMV
QN34. When total supply is equal to total demand in a transportation problem, the problem is said to be
- Balanced
- Unbalanced
- Degenerate
- None of the above
Answer
(A)Balanced
QN35. A model is
- An essence of reality
- An approximation
- An idealization'
- All of the above
Answer
(D)All of the above
QN36. The application of OR techniques involves ______________ approach
- Individual
- Team
- Critical
- None of the above
Answer
(B)Team
QN37. ______________ is an important Operations research technique to be used for determining optimal allocation of limited resources to meet the given objectives.
- Waiting line theory
- Net work analysis
- Decision analysis
- Linear programming
Answer
(D)Linear programming
QN38. ______________ is a method of analyzing the current movement of the same variable in an effort to predict the future movement of the same variable.
- Goal programming
- Markov analysis
- Replacement theory
- Queuing theory
Answer
(B)Markov analysis
QN39. A feasible solution to a linear programming problem
- Must satisfy all problem constraints simultaneously
- Need not satisfy all constraints
- Must be a corner point of the feasible region
- Must optimize the value of the objective function
Answer
(A)Must satisfy all problem constraints simultaneously
QN40. Which of the following may not be in a linear programming formulation?
- <=.
- >.
- =.
- All the above
Answer
(B)>.