100% Correct MOS3330 Homework 3 solutions
Capacity is directly related to…
Capacity is directly related to: (Choose all that apply)Check All That Apply
- Output
- Machines
- Time
- Processes
Equipment utilization is…
Equipment utilization is normally expressed as a percentage of design capacity.
True or False
Which of these in not an…
Which of these in not an approach to capacity planning?
Multiple Choice
- Following
- Tracking
- Leading
- Forecasting
“Time between completions” is the…
“Time between completions” is the fundamental basis of a capacity calculation
True or False
To get capacity from time between…
To get capacity from time between completions you do which mathematical operation?
Multiple Choice
- Take the inverse
- Multiply times the length of the day
- Divide by the length of the day
- Subtract the length of an hour
Which of the following are required…
Which of the following are required for a capacity calculation (choose all that apply)Check All That Apply
- Time between process starts
- Time between process completions
- Total Time spent in the process
- Length of the time horizon in question
The simplest way to think about…
The simplest way to think about throughput is the quantity of work completed.
True or False
Throughput is generally equal…
Throughput is generally equal to which thing?
Multiple Choice
- Inventory buildup
- Arrival rate
- The number of process steps
- Time to completion
Throughput is a …?
Throughput is a …?Multiple Choice
- Time
- RateCorrect
- Proportion
- Number
PA 3-3 (Algo) Consider a process consisting of three…
Consider a process consisting of three resources. Assume there exists unlimited demand for the product.
- Resource 1 has a processing time of 2 minutes per unit.
- Resource 2 has a processing time of 3 minutes per unit.
- Resource 3 has a processing time of 7 minutes per unit.
The three resources are staffed by different workers individually. The flow diagram is shown above.
- What is the capacity of resource 2? Note: Round your answer to 3 decimal places.
- What is the bottleneck in the process? Note: Enter your answer as whole number.
- What is the utilization of resource 2? Note: Enter your answer as a whole percent.
- How long does it take the process to produce 205 units starting with an empty system, assuming this is a worker-paced process? Note: Enter your answer as whole number.
PA 3-9 (Algo) Consider a four-step serial process with…
Consider a four-step serial process with the number of workers at each step and processing times given in the following table.
| Process Step | Number of Workers | Time per Customer (in Minutes) |
|---|---|---|
| 1 | 1 | 7 |
| 2 | 4 | 14 |
| 3 | 2 | 10 |
| 4 | 2 | 7 |
Assuming that the process starts out empty and is worker-paced, how long will it take (in minutes) to serve 20 customers? Note: Round to nearest minute.
PA 3-10 (Algo) An automated car wash serves customers…
An automated car wash serves customers with the following serial process: pretreat, wash, rinse, wax, hand dry. Each of these steps is performed by a dedicated machine except for the hand-dry step, which is performed manually on each car by one of three workers. The steps of the process have the following processing times:
- Pretreat: 3 minute per car
- Wash: 6 minutes per car
- Rinse: 4 minutes per car
- Wax: 4 minutes per car
- Hand dry: 8 minutes per car
- If the car wash has a demand of 12 cars per hour, what is the flow rate of the process?Note: Round your answer to 2 decimal places.
- If the car wash has a demand of 12 cars per hour, what is the utilization of the machine that performs the Wax process?Note: Round your answer to 2 decimal places.
PA 3-2 (Algo) A community health system’s nurse team…
A community health system’s nurse team consists of 17 nurses working in the local community. It takes a nurse 1.5 hours to complete one patient visit (including travel time and breaks). Nurses work 9 hours per workday.
- What is the capacity of the nurse team over the course of a 9-hour workday? Note: Round your answer to 1 decimal place.
- Assuming the demand for the nurses is 60 patients per day, what is the utilization of the nurse team? Note: Enter your answer as a percentage rounded to the nearest whole number.
- Assuming the demand for the nurses is 60 patients per day, what is the cycle time? Note: Round your answer to 1 decimal place.
PA 3-8 (Algo) Consider a four-step serial process…
Consider a four-step serial process with processing times given in the following list. There is one machine at each step of the process, and this is a machine-paced process.
- Step 1: 15 minutes per unit
- Step 2: 23 minutes per unit
- Step 3: 23 minutes per unit
- Step 4: 27 minutes per unit
Assuming that the process starts out empty, how long will it take (in hours) to complete a batch of 123 units? Note: Do not round intermediate calculations. Round your answer to nearest hour.
Solution
Capacity is directly related to…
Capacity is directly related to: (Choose all that apply)Check All That Apply
- Output
- Machines
- Time
- Processes
Correct Answer – Output
Explanation
Capacity refers to the maximum OUTPUT that a system can produce under certain conditions. It’s a measure of how much work or product can be created within a set period, given the available resources. Thus, capacity is directly related to OUTPUT because it determines the quantity of goods or services that can be produced in a specific time frame.
Equipment utilization is…
Equipment utilization is normally expressed as a percentage of design capacity.
True or False
Correct Answer – True
Explanation
Equipment utilization is expressed as a percentage of design capacity because it measures how much of the machine’s maximum potential is being used. If a machine can produce 100 units per hour (design capacity) but is only producing 70, its utilization is 70%. This helps gauge efficiency and shows if equipment is underused.
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