Operations Research Questions and Answers Part-9

1. Float analysis is useful for ______________.
a) total float
b) free float
c) independent float
d) variance of each float

Answer: b

2. The difference between free float and tail event slack is ______________
a) total float
b) independent float
c) interference float
d) slack

Answer: b

3. The assignment problem is a special case of transportation problem in which ______________.
a) number of origins are less than the number of destinations
b) number of origins are greater than the number of destinations
c) number of origins are greater than or equal to the number of destinations
d) number of origins equals the number of destinations

Answer: d

4. The average arrival rate in a single server queuing system is 10 customers per hour and average service rate is 15 customers per hour. The average time that a customer must wait before it is taken up for service shall be ______________minutes.
a) 6
b) 8
c) 10
d) 12

Answer: b

5. The time between the placement of an order and its delivery is called as ______________
a) buffer time
b) lead time
c) Economic Order Quantity
d) capital time

Answer: b

6. In Program Evaluation Review Technique the maximum time that is required to perform the activity under extremely bad conditions is known as ______________.
a) normal time
b) optimistic time
c) most likely time
d) pessimistic time

Answer: d

7. All of the following may be used to find the EOQ except ______________
a) optimal number of days supply to order
b) number of orders which minimize ordering costs optimal
c) number of rupees per order optimal
d) number of orders per year

Answer: d

8. A feasible solution of an Linear Programming Problem that optimizes the objective function is called ______________
a) basic feasible solution
b) optimum solution
c) feasible solution
d) solution

Answer: b

9. Charnes method of penalty is called ______________
a) Simplex Method
b) Dual Simplex Method
c) Big-M Method
d) Graphical Method

Answer: c

10. If the given Linear Programming Problem is in its canonical form then primal-dual pair is ______________
a) symmetric
b) un symmetric
c) square
d) non square

Answer: b