Question & Answer: Money Laundry has 14 washers and 12 dryers. All orders are first sent to wash and then to dry. It takes…

Money Laundry has 14 washers and 12 dryers. All orders are first sent to wash and then to dry. It takes on average 40 minutes to wash one order and 23 minutes to dry.

a. What is the capacity of the washing stage? (Round your answer to 2 decimal places.) Capacity of washing stage 21 orders per hour

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b. What is the capacity of the drying stage? (Round your answer to 2 decimal places.) Capacity of drying stage 31.30 orders per hour

c. Identify the bottleneck(s). Washer Dryer

d. What is the capacity of Money laundry? (Round your answer to 2 decimal places.) Capacity of Money laundry 21 orders per hour

e. If Money Laundry would like to increase the capacity by buying one more machine, should they buy a washer or a dryer? Washer Dryer

The manager, Mr. Money, decided not to buy a machine. He still has 14 washers and 12 dryers. The manager estimates that on average Money Laundry receives eight orders every hour. The manager also finds that on average there are three orders in the washing stage and five orders in the drying stage.

f. What is the utilization of washers, on average? (Round your answer to 2 decimal places.)

Average utilization % g.

What is the utilization of dryers, on average? (Round your answer to 2 decimal places.)

Average utilization % h.

On average, how long does it take an order to finish the washing process, from the time the order is received? (Round your answer to 2 decimal places.)

Average time taken hour i.

On average, how long does it take an order to finish the drying process, from the time the order finishes the washing process? (Round your answer to 2 decimal places.)

Average time taken hour j.

On average, how long does an order stay in Money Laundry? (Round your answer to 2 decimal places.)

Average time taken hour

(I NEED HELP WITH THE BOTTOM HALF! F/G/H/I/J)

Expert Answer

Ans. Capacity of any process is calculated by using the following formula:

m/processing time; m is the number of resources

  1. Calculation of capacity for washing process: 14/40*60= 21 orders per hour
  2. Calculation of capacity for drying process: 12/23*60= 31.20 orders per hour
  3. Bottleneck is the process step in the flow diagram with the lowest capacity. Generally it is the process step with the longest processing time.
  4. Capacity utilization of the unit is calculated by using the following formula:

Flow rate/Capacity; 8/21*100= 38%

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