Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Question
Chapter 5, Problem 2CQ
Summary Introduction
To determine: The number of columns in the demand table.
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Both the average flow rate and average flow time of a process are increased by 50%, what will be the percentage change in the average number of units (inventory) in the process
(a) 125%
(b) 50%
(c) Cannot be determined
(d) 225%
The Union Manufacturing Company is producing two types of products: A and B. The demand
forecasts, batch size, and time standards follow:
Demand forecast (units/yr)
Product A
Product B
1,000
4,000
Batch size (units/batch)
Processing time (hr/unit)
20
10
3.2
4.5
Setup time (hr/batch)
10
20
Both products are produced on the same machine, called Mark I.
11) Using Table 4.1, what is the total number of hours required of Mark I equipment for the next
year?
A) fewer than 29,000 hours
B) between 29,000 and 30,000 hours
C) between 30,000 and 31,000 hours
D) more than 31,000 hours
How does seasonal variability in demand affect the l ow and waiting time through a process? How might a company respond to reduce the effect of this variability?
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- n a manufacturing process, a molded part spends 7 hours in inventory before being placed in a deburring machine, where the part is processed for 2 minutes. After deburring, the part spends 4 hours in inventory waiting for its turn on the polishing machine. The part then spends 7 minutes in polishing before waiting 6 hours in line to be painted. The part goes through a painting process that takes 7 minutes, then spends 11 hours in inventory before being shipped to the customer. What is the percentage of value-added time for the part?arrow_forward. For the purpose of process analysis, which of the following measures would beconsidered an appropriate flow unit for analyzing the main operation of a gas station?Instructions: You may select more than one answer.a. Sales dollarsb. Number of gasoline pumpsc. Number of employees working per dayd. Number of customers served per dayarrow_forwardFor the purpose of process analysis, which of the following measures would beconsidered an appropriate flow unit for analyzing the operation of a coffee shop?Instructions: You may select more than one answer.a. Square footage of the storeb. Number of employees working each weekc. Number of hours the store is open each weekd. Number of customers served each weekarrow_forward
- A process has six resources and three types of flow units. How many rows will there bein the demand matrix?a. 2b. 3c. 6d. 18arrow_forwardPA 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. Time per Customer (in Minutes) 5 14 6 3 Process Step 1 Number of Workers 1 Assuming that the process starts out empty and is worker-paced, how long will it take (in minutes) to serve 30 customers? Note: Round to nearest minute. Time taken minutesarrow_forward2. Construct a Process Flow Chart of the following: a. Ordering at fast food chain b. Buying meds at Pharmacyarrow_forward
- Explain why and how a firm measures process capacity ( briefly describe - minimum seven hundres words) Urgent needarrow_forwardCalculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) Job CR 103 enter your response here Part 2 205 enter your response here Part 3 309 enter your response here Part 4 412 enter your response here Part 5 517 enter your response here ... Question content area right Part 1 The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Job Due Date Duration (days) 103 223 7 205 217 11 309 219 5 412 218 15 517 214 10 Assume that all jobs arrived on day 180; today's date is 200.arrow_forwardThe smoothing constant value must be between O a. 10 and 100 O b. 0.0 and 1.0 O c. 1.0 and 10.0 o d. 1 and 10arrow_forward
- Mr. K’s is a very popular hair salon. It offers high quality hairstyling andphysical relaxation services at a reasonable price, so it always has unlimiteddemand. The service process includes five activities that are conducted inthe sequence described below ( the time required for each activity is shownin parenthesis):Activity 1: Welcome a guest and offer homemade herb tea (10 minutes)Activity 2: Wash and condition har (10 minutes)Activity 3: Neck, shoulder, and back stress release massage (10 minutes)Activity 4: Design and hair style and do the hair (25 minutes)Activity 5: Ring up the guest bill (5 minutes)Each activity has one employee dedicated to it. For the following questions,assume unlimited demand. Also assume that the employee at activity 1 onlyadmits new guests at the rate of the bottleneck.(a) Which resource is the bottleneck?(b) What is the capacity of the process?(c) What is the flow rate?(d) What is the utilization of the employee at activity 3(e) What is the cycle time?arrow_forwardA process makes two products, A and B, and operates 5 days per week, 8 hoursper day. Demand for the two products for the next week is as follows:Day 1: A: 4; B: 6Day 2: A: 5; B: 5Day 3: A: 6; B: 4Day 4: A: 7; B: 3Day 5: A: 3; B: 7What is the takt time of the process? What would a level production schedule look like?arrow_forwardThe table below shows the time stamps of 10 customers who visited a local bank branch from 9:00 a.m. to 9:45 a.m. What is the flow time of customers? Customer 1 2 3 4 5 6 7 8 9 10 Time in 9:2 9:5 9:6 9:8 9:8 9:10 9:12 9:15 9:18 9:19 Time out 9:7 9:10 9:17 9:23 9:36 9:21 9:41 9:41 9:28 9:42 Instruction: Round your answer to 1 decimal place. Flow time of customers 3.5 minutesarrow_forward
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