Operations Research

31. Using ______________ method, we can never have an unbounded solution

1. Simplex
2. Dual simplex
3. Big M
4. Modi

View answer

32. The customers of high priority are given service over the low priority customers is ______________.

1. Pre emptive
2. FIFO
3. LIFO
4. SIRO

View answer

33. A queuing system is said to be a ______________ when its operating characteristic are independent upon time

1. pure birth model
2. pure death model
3. transient state
4. steady state

View answer

34. An activity which does not consume neither any resource nor time is known as ______________.

1. predecessor activity
2. successor activity
3. dummy activity
4. activity

View answer

35. The difference between total and free float is ______________.

1. total
2. free
3. independent
4. interference

View answer

36. The number of time estimates involved in Program Evaluation Review Technique problem is ______________.

1. 1
2. 2
3. 3
4. 4

View answer

37. The assignment problem is always a ______________matrix.

1. circle
2. square
3. rectangle
4. triangle

View answer

38. The slack variables indicate ______________.

1. excess resource available.
2. shortage of resource
3. nil resource
4. idle resource

View answer

39. If the net evaluation corresponding to any non -basic variable is zero, it is an indication of the existence of an ______________.

1. initial basic feasible solution
2. optimum basic feasible solution
3. optimum solution.
4. alternate optimum solution.

View answer

40. Mathematical model of linear programming problem is important because ______________.

1. it helps in converting the verbal description and numerical data into mathematical expression
2. decision makers prefer to work with formal models
3. it captures the relevant relationship among decision factors
4. it enables the use of algebraic technique

View answer