Explain Group Technology (GT) and compare process layout with GT layout using examples.
Why is proper selection of material handling equipment important? Explain principles of selection.
Why is Production Planning and Control (PPC) essential?
Explain Just-In-Time (JIT) manufacturing and its role in improving productivity.
SECTION C – Long / Analytical Questions (7 × 5 = 35 Marks)
Attempt one part from each question.
Q3. Scientific Management & Ergonomics
a. Explain Taylor’s Scientific Management and Gilbreth’s contribution to motion study. OR b. Using ergonomic principles, explain how motion economy can be ensured in workplace design.
Q4. Transportation Models
a. What is the Transportation Model and where is it used? OR b. How can you identify if a transportation problem is unbalanced?
Q5. Production Planning and Group Technology
a. Explain Material Requirement Planning (MRP) and discuss its structure. Also describe JIT manufacturing system. OR b. Define and explain:
(i) Group Technology (GT)
(ii) Process Planning
Q6. Inventory Control & Queuing Models
a. Explain the importance of ABC Analysis in inventory control for large-scale organizations. OR b. A garage has car arrivals at a rate of 6/hour, and service rate is 8/hour.
Find: (i) Average queue length (ii) Average waiting time (Assume Poisson arrivals and exponential service)
Q7. Optimization Problems
a. Optimize the given Transportation Problem using Vogel’s Approximation Method (VAM) and MODI Method. Table (from page 2):
Factory
D
E
F
G
A
42
48
38
37
B
40
49
52
51
C
39
38
40
43
Requirement
80
90
110
220
OR b. Construct a network diagram (PERT/CPM) for the given project schedule:
Activity
Duration
Activity
Duration
1–2
6
1–3
4
2–4
1
3–4
4
3–5
5
4–7
6
5–6
8
6–8
8
8–7
2
7–9
10
8–9
1
Key Topics for Preparation
Productivity & Work Study: Taylor’s principles, motion and time study.
Plant Layout & Material Handling: Layout types, selection principles, symptoms of bad layout.
Group Technology & Process Planning: Cell formation, coding, advantages.
Production Planning and Control (PPC): Functions, scheduling, routing, dispatching.
Inventory Control: EOQ, ABC analysis, JIT, MRP.
Forecasting & Simulation: Role in production systems.
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