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An electronic equipment manufacturer has decided to add a component subassembly operation that can produce 80 units during a regular 8-hour shift.This operation consists of three activities as below​For line balancing the number of work stations required for the activities M, E and T would respectively be
[2004]
  • a)
    2, 3, 1
  • b)
    3, 2, 1
  • c)
    2, 4, 2
  • d)
    2, 1,3
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An electronic equipment manufacturer has decided to add a component su...

 
Number of units produce in a day = so units working hour in a day = 8 hours
T = 6 min
Number of work station are the whole number more the function.
So no of work station required for the activities, M, E & T would be 2, 3, 4, 1 9. Normal time = Actual Time × Rating factor.
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An electronic equipment manufacturer has decided to add a component su...
Line Balancing for Component Subassembly Operation

In order to determine the number of workstations required for the activities M, E, and T in the component subassembly operation, we need to consider the production rate and the time required for each activity.

Given:
- Production rate: 80 units per 8-hour shift
- Activities:
1. M (Manual Assembly)
2. E (Electrical Testing)
3. T (Final Testing)

Step 1: Determine the Cycle Time
The cycle time is the maximum time allowed for each workstation to complete its assigned task. It is calculated by dividing the total available working time by the desired production rate.

Total available working time = 8 hours = 8 * 60 minutes = 480 minutes
Desired production rate = 80 units per shift
Cycle time = Total available working time / Desired production rate

Cycle time = 480 minutes / 80 units = 6 minutes per unit

Step 2: Determine the Activity Times
The activity times for each activity can be determined based on the required operations and the time taken for each operation.

Activity M (Manual Assembly):
Let's assume that the manual assembly activity consists of three operations: A, B, and C.
- Operation A: 1 minute
- Operation B: 2 minutes
- Operation C: 3 minutes

Total time for activity M = Sum of operation times = 1 minute + 2 minutes + 3 minutes = 6 minutes

Activity E (Electrical Testing):
Let's assume that the electrical testing activity consists of two operations: D and E.
- Operation D: 2 minutes
- Operation E: 3 minutes

Total time for activity E = Sum of operation times = 2 minutes + 3 minutes = 5 minutes

Activity T (Final Testing):
Let's assume that the final testing activity consists of one operation: F.
- Operation F: 4 minutes

Total time for activity T = 4 minutes

Step 3: Determine the Number of Workstations
The number of workstations required for each activity can be determined by dividing the total time for the activity by the cycle time.

Number of workstations for activity M = Total time for activity M / Cycle time = 6 minutes / 6 minutes per unit = 1 workstation

Number of workstations for activity E = Total time for activity E / Cycle time = 5 minutes / 6 minutes per unit = 0.83 workstations (approx. 1 workstation)

Number of workstations for activity T = Total time for activity T / Cycle time = 4 minutes / 6 minutes per unit = 0.67 workstations (approx. 1 workstation)

Final Answer:
Therefore, the number of workstations required for the activities M, E, and T would be 1, 1, and 1 respectively. Hence, the correct answer is option A: 2, 3, 1.
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An electronic equipment manufacturer has decided to add a component subassembly operation that can produce 80 units during a regular 8-hour shift.This operation consists of three activities as belowFor line balancing the number of work stations required for the activities M, E and T would respectively be[2004]a)2, 3, 1b)3, 2, 1c)2, 4, 2d)2, 1,3Correct answer is option 'A'. Can you explain this answer?
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