PTU B.Tech Industry Engineering 5th Semester May 2019 70993 OPERATIONS RESEARCH Question Papers

PTU Punjab Technical University B-Tech May 2019 Question Papers 5th Semester Industry Engineering

Roll No.
Total No. of Pages : 02
Total No. of Questions : 07
B.Tech. (Ind. Engg. & Mgt.) (Spl. in TQM) (Sem.?5)
OPERATIONS RESEARCH
Subject Code : IEM-502
M.Code : 70993
Time : 3 Hrs. Max. Marks : 40

INSTRUCTIONS TO CANDIDATES :
1.
Attempt EIGHT out of TEN questions from SECTION-A carrying T WO marks


each.
2.
Attempt any FOUR out of SIX questions from SECT ION -B carrying SIX marks


each.





SECTION-A
1.
Answer briefly :

(a) Write two comprehensive definitions of OR.

(b) Explain balking, reneging & jockeying in context to queuing.

(c) Explain non-degenerate basic feasible solution of an LPP.

(d) Explain assumptions of continuity & certainty in LP models.

(e) What do you mean by Traffic Intensity in Queuing system?

(f) What do you mean by pure & mixed strategies?

(g) Differentiate between Deterministic & Probabilistic models.

(h) Define key row & key column in simplex method.

(i) What is the role of OR in decision making?

(j) Define OR?
1 | M-70993

(S110)-3015

---

SECTION-B
2.
Explain role of OR in solving Industrial problems.
3.
Explain Bellman's principle of optimality.
4.
What is dynamic programming & what type of problems can be solved by it? Give a
mathematical formulation of a dynamic programming problem.
5.
Write a detailed note on EOQ and average inventories.
6.
Explain in detail Group Replacement policies.
7.
Illustrate various Queuing systems and their characteristics.











NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
2 | M-70993

(S110)-3015

---