Objective Questions and Answers of MBA: Operations Research 9

Subject: Objective Questions and Answers of MBA: Operations Research 9

**Part 9: Objective questions and answers of Operations Research**

**Q1. The group replacement policy is suitable for identical low cost items which are likely to ______________.**

a) Fail suddenly

b) Fail completely and suddenly

c) Fail over a period of time

d) Be progressive and retrogressive

**Q2. A game is said to be fair if ______________.**

a) Lower and upper values are zero

b) Only lower value to be zero

c) Only upper value to be zero

d) Lower and upper values are not equal to zero

**Q3. The area bounded by all the given constraints is called ______________.**

a) Feasible region

b) Basic solution

c) Non feasible region

d) Optimum basic feasible solution

**Q4. Given arrival rate = 15/hr, service rate = 20/hr, the value of traffic intensity is _______.**

a) 3/4

b) 4/3

c) 3/5

d) 4/5

**Q5. ______________ is employed in construction and business problems**

a) Queue

b) Replacement

c) Cpm

d) Pert

**Q6. __________ or __________ are used to "balance" an assignment or transportation problem.**

a) Destinations; sources

b) Units supplied; units demanded

c) Dummy rows; dummy columns

d) Large cost coefficients; small cost coefficients

e) Artificial cells; degenerate cells

**Q7. An alternative optimal solution to a minimization transportation problem exists whenever opportunity cost corresponding to unused route of transportation is:**

a) Positive & greater than zero

b) Positive with at least one equal to zero

c) Negative with at least one equal to zero

d) None of the above

**Q8. An assignment problem can be viewed as a special case of transportation problem in which the capacity from each source is __________ and the demand at each destination is _____.**

a) 1; 1

b) Infinity; infinity

c) 0; 0

d) 1000; 1000

e) -1; -1

**Q9. Consider the given vectors: a(2,0), b(0,2), c(1,1), and d(0,3). Which of the following vectors are linearly independent?**

a) A, b, and c are independent

b) A, b, and d are independent

c) A and c are independent

d) B and d are independent

**Q10. During iteration while moving from one solution to the next, degeneracy may occur when**

a) The closed path indicates a diagonal move

b) Two or more occupied cells are on the closed path but neither of them represents a corner of the path.

c) Two or more occupied cells on the closed path with minus sign are tied for lowest circled value

d) Either of the above

**Q11. Feasible solution satisfies __________**

a) Only constraints

b) Only non-negative restriction

c) [a] and [b] both

d) [a],[b] and optimum solution

**Q12. Hungarian method is used to solve**

a) A transportation problem

b) A travelling salesman problem

c) A lp problem

d) Both a & b

**Q13. If an opportunity cost value is used for an unused cell to test optimality, it should be**

a) Equal to zero

b) Most negative number

c) Most positive number

d) Any value

**Q14. In a transportation problem, when the number of occupied routes is less than the number of rows plus the number of columns -1, we say that the solution is:**

a) Unbalanced.

b) Infeasible.

c) Optimal.

d) Impossible.

e) Degenerate.

**Q15. In case of an unbalanced problem, shipping cost coefficients of __________ are assigned to each created dummy factory or warehouse.**

a) Very high positive costs

b) Very high negative costs

c) 10

d) Zero

e) One

**Q16. In game theory, the outcome or consequence of a strategy is referred to as the**

a) Payoff.

b) Penalty.

c) Reward.

d) End-game strategy.

**Q17. In graphical representation the bounded region is known as __________ region.**

a) Solution

b) Basic solution

c) Feasible solution

d) Optimal

**Q18. In operations research, the __________ are prepared for situations.**

a) Mathematical models

b) Physical models diagrammatic

c) Diagrammatic models

d) All of above

**Q19. Operations management can be defined as the application of __________ to a problem within a system to yield the optimal solution.**

a) Suitable manpower

b) Mathematical techniques, models, and tools

c) Financial operations

d) All of above

**Q20. Operations research is based upon collected information, knowledge and advanced study of various factors impacting a particular operation. This leads to more informed __________.**

a) Management processes

b) Decision making

c) Procedures

d) All of above

**Part 9: Objective questions and answers of Operations Research**

Q1. Answer c

Q2. Answer a

Q3. Answer a

Q4. Answer a

Q5. Answer d

Q6. Answer c

Q7. Answer b

Q8. Answer a

Q9. Answer c

Q10. Answer c

Q11. Answer c

Q12. Answer b

Q13. Answer b

Q14. Answer e

Q15. Answer d

Q16. Answer a

Q17. Answer c

Q18. Answer a

Q19. Answer b

Q20. Answer b