STUPIDSID
1(a)
What are the different reasons for industrial automation? How do you classify automated manunfacturing systems? List typical features of them.
12 M
1(b)
A part is produced in a batch size of 100 units. 5 operations are required to complete the processing of the part, Average setup time is 3 hour/operation, average operation time is 0.1 hour. Delay, inspection time & others account to 7 hours for each operation. Determine how many days are required to complete the batch, assuming the plant runs 8 hours shift per day
5 M
1(c)
Define MLT, utilization and availability.
3 M
2(a)
With a neat sketch, explain the configuration of an automated flow line. What are the different symbols and notations practiced production systems?
8 M
2(b)
Explain with neat diagram the working principle of walking beam system.
8 M
2(c)
What are the different controlling functions of an automated flow line? Explain.
4 M
3(a)
Explain the following :
i) Upper bound approach and lower bound approach
ii) Starting and Blocking stations.
i) Upper bound approach and lower bound approach
ii) Starting and Blocking stations.
8 M
3(b)
A line has 10 workstation, each with a probability of breakdown 0.02. The cycle time of line is 60 seconds and each time breakdown occurs, it takes 5 minute to repair. The line is divided into two stages by a buffer torage. Each stage consists of 5 stations. Compute efficiency of the line with no buffer storage capactiy and efficiency for two stage flow lines.
10 M
3(c)
What are the factors affecting line balancing?
2 M
4(a)
Write a short note on the following;
i) Precedence constraints& precedence diagram
ii) Line efficiency
iii) Balance delay.
i) Precedence constraints& precedence diagram
ii) Line efficiency
iii) Balance delay.
8 M
4(b)
The demand of the assembly line with its elemental time and precedence is given below. Construct the precedence diagram and find balance delay by Kilbridge and Wester's method. (Cycle time=1.5minute)
| Elements | Time (Minutes) | Immediate Predecessors |
| 1 | 1 | - |
| 2 | 0.5 | - |
| 3 | 0.8 | 1 , 2 |
| 4 | 0.3 | 2 |
| 5 | 1.2 | 3 |
| 6 | 0.2 | 3 ,4 |
| 7 | 0.5 | 5 |
| 8 | 1.5 | 5 ,6 ,7 |
12 M
5(a)
With neat sketch, explain part feeding and delivery systems.
10 M
5(b)
Briefly explain different types of vehicle guiding systems used for AGVs.
10 M
6(a)
With a neat diagram, explain generative and retrieval CAPP systems.
12 M
6(b)
Define MRP process inputs and output. What do you mean by BOM?
8 M
7(a)
Give general configuration of CNC system. List various advantages and disadvantagesof CNC machining centers.
8 M
7(b)
Discuss various type of NC co-ordinate systems along with motion control systems.
10 M
7(c)
Describe the following codes:
i) G00
ii) G90 iii) G02
iv) G04
i) G00
ii) G90 iii) G02
iv) G04
2 M
8(a)
Define Industrial Robot. Enlist the different applications of Robot.
6 M
8(b)
How do you specify a robot?
4 M
8(c)
Explain with neat sketches different types of end effectors,
sensors used in robot.
sensors used in robot.
10 M
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