Reg. No.
B.E. B.Tech. DEGREE EXAMINATION, MAY 2017
Sixth Semester
Mechanical Engineering
14UME604 OPREATIONS RESEARCH
(Regulation 2014)
Duration: Three hours Maximum: 100 Marks
Answer ALL Questions
PART A (10 x 1 10 Marks)
1. The mathematical technique for finding the best use of limited resources in an optimum manner is known as
operations research linear programming network analysis Least queuing theory
2. A constraint is expressed as X2
3. It is converted in to the form of an equation as
X1 X2 S1 α1 3 X1 X2 S1 α1 3 X1 X2 S1 α1 3 X1 X2 S1 α1 3
3. The optimality of a transportation problem is determined by the application of
least cost method north west corner method vogel's approximation method modi method
4. In a n x n matrix of an assignment problem, the optimality is reached when the minimum number of straight line scoring all the zero is
n2 1/n n n/2
5. The probability distribution of project completion in PERT follows distribution.
normal binomial beta gaussian
6. PERT and CPM are
techniques to determine project status decision making techniques
Question Paper Code: 41764
2
41764
aids to determine the cost implications of project aids for decision making
7. Replacement of an existing machine aims at lower average annual cost of using the machine reduction in annual capital cost lesser dependence on workmen more automation
8. Group replacement policy is applicable for repairable items items that fail partially items that fail completely dissimilar items
9. It may not be to totally avoid queue. economical bad correct proper
10. A common assumption about the players in a game is that neither player knows the payoff matrix the players have different information about the payoff matrix only one of the players pursues a rational strategy the specific identity of the players is irrelevant to the play of the game