John needs 40 Eternal Light flashlights. Each Eternal Light flashlight requires
ID: 371118 • Letter: J
Question
John needs 40 Eternal Light flashlights. Each Eternal Light flashlight requires 3 bulbs, and each bulb requires 3 filaments. Note that the bulbs are non-sealed and require the filaments to be inserted inside of them as a sub-component.
1. How many bulbs will he need, if he has 90 in inventory?
A. 30
B. 120
C. 240
2. How many filaments will he need, if he has 90 bulbs in inventory and 20 filaments in inventory?
A. 110
B. 90
C. 70
3. If John is operating with Lean Principles, he would want
A. More Inventory
B. Less Inventory
C. Same Inventory
4. If John is operating with Lean Principles, he would want
A. Larger orders delivered infrequently
B. Smaller orders delivered frequently
C. The same number of orders regardless of his operating principles
5. If John is operating with Lean Principles he would want
A. The bulbs to plug in only one way
B. The bulbs to plug in multiple ways
C. An infinite number of ways to plug in the bulbs.
Explanation / Answer
To be calculated:
a) Number of bulbs needed
b) Number of filaments needed
Given information:
Number of Eternal light flashlights = 40
Number of Bulbs required = 40 x 3 = 120 (since, each flashlight requires 3 bulbs)
Number of Filaments required = 120 x 3 = 360 (since, each bulb requires 3 filaments)
Ans.1)
Total number of bulbs John need to make 40 flashlights = 120
Number of bulbs in inventory = 90
Number of bulbs more required = 120 - 90 = 30
Therefore, Number of bulbs more required is 30 i.e. option (a).
Ans.2)
Total number of bulbs John need to make 40 flashlights = 120
Number of bulbs in inventory = 90
Number of bulbs more required = 120 - 90 = 30
Now, Number of filaments each bulb requires = 3
Therefore, Number of filaments required to make 30 more bulbs = 30 x 3 = 90
Number of filaments required to make 30 bulbs = 90
Number of filaments in inventory = 20
Number of filaments more required = 90 - 20 = 70
Therefore, Number of filaments more required is 70 i.e. option (c).
Ans.3) If John is operating with lean principles, he would want less inventory as lean production is aimed at cutting wastages in every area of production. An enterprise that incorporates lean management principles requires less inventories, less production time and less waiting time. Answer - option (b)
Ans.4) If John is operating with lean principles, he would want smaller orders delivered frequently. This is because lean management principles will enable John to cut down on wastages and waiting time. With small batch sizes, he will be able to churn out more. Therefore, the efficiency of the overall system will be high when he will get smaller orders that needs to be delivered frequently. Answer - option (b)
Ans.5) If John is operating with lean principles, he would want the bulb to plug in only one way. This is because with more permutations and combinations the waiting time and turn around time (TAT) of the system will increase contradicting the underlying principles of lean management principles. With only a single way to plug the bulb, John will be able to produce more. Answer - option (a)
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