The resource with the largest total demand rate is the bottleneck. True or false
ID: 363080 • Letter: T
Question
The resource with the largest total demand rate is the bottleneck. True or false?
True
False
Rework can increase the costs of an operation but has no impact on the capacity of the process. True or false?
True
False
The batch size is tripled on a resource that has a setup time. What is the likely impact on the resource’s capacity?
Decrease by 1/3
Decrease by less than 1/3
Increase by less than 300 percent
Increase by 300 percent
Which of the following is likely to increase the utilization of a resource with a setup time?
Increase the flow rate
Decrease the processing time
Decrease the batch size
Increase the setup time
Which of the following objectives is more important in a pull system?
Producing at the rate of demand
Keeping the equipment utilization
If other things remain the same, what happens to the number of Kanban cards in the process if the replenishment time goes up?
The number of kanban cards increases.
The number of kanban cards stays the same.
The number of kanban cards decreases.
Cannot determine from the given information
You measure the exact size of 100 ping pong balls from manufacturer A and then another 100 balls from manufacturer B. The balls of manufacturer B have a much larger variation. Means and specification limits for the two manufacturers are identical. Which of the two manufacturers has a higher process capability index?
A. Manufacturer A
B. Manufacturer B
C. Cannot be determined from the given information
John is a newly minted quality engineer at MakeStuff Inc. His boss tells him to increase the process capability index of their main product. John is somewhat lazy and does not want to tackle the variation in the process, so he decides to simply increase the upper specification limit and reduce the lower specification limit. Does this increase the process capability index?
A. No, it does not, because the variation in the process stays unchanged.
B. Yes, it does, though one might question if the underlying process is really better.
C. That depends on many other variables, including the control limits.
D. No, the process capability index would only change if the control limits were changed.
Which of the following best reflects pooling capacity to reduce restroom queue lengths?
A. Add more toilets to increase capacity.
B. Install a flexible partition that can alter the size of the women’s and the men’s restrooms.
C. Convert the separate men’s and women’s rooms into a single unisex restroom (that both men and women can use).
Remove mirrors in the restroom to decrease the time users spend in the restroom.
Add automatic flush capability to each toilet to decrease processing times.
Explanation / Answer
1. The resource with the largest total demand rate is the bottleneck. - FALSE
Explanation: The demand for the resource alone cannot determine whether the resource is a bottleneck. It also depends on the capacity of the resource. If the capacity is higher than the total demand rate, there will be no bottleneck.
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