11) The time from which a machine setup begins for an order until the product is delivered to the customer is the ________. A) delivery time only
B) manufacturing time plus the waiting time C) manufacturing time plus the delivery time
D) customer-response time minus the receipt time Answer: C
Diff: 1
Objective: 5
AACSB: Analytical thinking
12) Tony placed an order for a customized watch. The customer response time is 36 hours, its receipt time is 8 hours, and manufacturing cycle time is 24 hours. Calculate the delivery time of the product. A) 12 hours B) 4 hours C) 16 hours D) 2 hours Answer: B
Explanation: B) Delivery time = 36 - 8 - 24 = 4 hours.
Diff: 2
Objective: 5
AACSB: Application of knowledge
13) Zenich Corp manufactures laptops. The waiting time is 60 minutes before the start of production and the manufacturing lead time is 150 minutes per laptop. What is its manufacturing cycle efficiency? A) 40% B) 70% C) 60% D) 66.67% Answer: C
Explanation: C) Manufacturing time for value added = 150 - 60 = 90 minutes Manufacturing cycle efficiency = 90 / 150 = 60%
Diff: 2
Objective: 5
AACSB: Application of knowledge
14) Ventaz Corp manufactures keyboards. The manufacturing cycle efficiency is 40%. What is its manufacturing time for value added if the manufacturing lead time is 120 minutes per keyboard? A) 38.50 minutes B) 60.00 minutes C) 48.00 minutes D) 54.00 minutes Answer: C
Explanation: C) Manufacturing time for value added = 40% × 120 = 48 minutes.
Diff: 2
Objective: 5
AACSB: Application of knowledge
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15) Ventaz Corp manufactures glasses. The manufacturing cycle efficiency is 70%. What is its waiting time if the manufacturing lead time is 120 minutes per keyboard? A) 38.00 minutes B) 42.00 minutes C) 48.00 minutes D) 36.00 minutes. Answer: D
Diff: 2
Objective: 5
AACSB: Application of knowledge
16) Alex is injured and rushed to Care Hospitals for treatment. He spent 45 minutes at the hospital out of which he filled a form for 15 minutes, stood in the queue for 10 minutes, doctor treated him for 15 minutes, and payment time was 5 minutes. What is the service cycle efficiency for his visit? A) 18.50% B) 11.11% C) 66.67% D) 33.33% Answer: D
Diff: 3
Objective: 5
AACSB: Application of knowledge
17) In the formula for calculating the average waiting time, the squared manufacturing time indicates ________.
A) that the shorter the manufacturing time, the greater the chance that the machine will remain idle in the process
B) that the shorter the manufacturing time, the greater the chance that the machine will be in use when an order arrives
C) the disproportionately large impact the manufacturing time has on the waiting time D) a measure of the unused capacity or cushion Answer: C
Diff: 3
Objective: 5
AACSB: Application of knowledge
18) For a fast-food restaurant, the average waiting time can be formulated as ________. A) B) C) D)
Answer: A
Diff: 3
Objective: 5
AACSB: Application of knowledge
32
Copyright ? 2015 Pearson Education, Inc.
Answer the following questions using the information below:
Ventaz Corp has a variable demand. Historically, its demand has ranged from 30 to 50 windows per day with an average of 40. Alex works eight hours a day, five days a week. Each order is one window and each window takes 11 minutes.
19) What is the average waiting time in minutes? A) 12.00 B) 55.50 C) 60.50 D) 20.00 Answer: C
Diff: 3
Objective: 5
AACSB: Application of knowledge
20) What is the cycle time for an order? A) 11 minutes per window B) 66 minutes per window C) 71.50 minutes per window D) 69.50 minutes per window Answer: C
Explanation: C) Cycle time = waiting time + manufacturing time = 60.50 + 11 = 71.50
Diff: 3
Objective: 5
AACSB: Application of knowledge
21) Alex plans to add doors to its product line and anticipates that they will average 3 doors per day. Each door takes 10 minutes to install.
What is the average waiting time, in minutes, if Alex continues to be the only worker? A) 237.0 minutes B) 337.0 minutes C) 257.0 minutes D) 720.0 minutes Answer: C
Explanation: C) WT =
Diff: 3
Objective: 5
AACSB: Application of knowledge
= 5,140/20 = 257 minutes
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Copyright ? 2015 Pearson Education, Inc.
Answer the following questions using the information below:
The tool crib at a large manufacturing company is responsible for providing tools to the factory workers on demand. The tool crib has a variable demand. Historically, its demand has ranged from 300 to 500 small tools per day with an average of 400. Diane, the tool crib attendant, works eight hours a day, five days a week. Each order is for one small tool and each small tool takes Diane 1 minute to retrieve from the bins.
22) What is the average waiting time, in minutes? A) 1.0 B) 1.5 C) 2.5 D) 3.5
Answer: C
Explanation: C) Waiting minutes = [400 × (12)] / [2 × [480 minutes per day - (400 × 1)] = 2.5 minutes
Diff: 3
Objective: 5
AACSB: Application of knowledge
23) What is the cycle time for an order? A) 1 minutes per tool B) 1.5 minutes per tool C) 2.5 minutes per tool D) 3.5 minutes per tool Answer: D
Diff: 3
Objective: 5
AACSB: Application of knowledge
24) Diane has been asked to consider plans to add the retrieval of larger tooling fixtures to her duties. She anticipates that there would be an average of 12 tooling fixtures per day requested. Each tooling fixture would take Diane 4 minutes to retrieve.
What is the average waiting time, in minutes, if Diane continues to be the only worker that would retrieve the small tools as well as the larger tooling fixtures? A) 3.50 minutes B) 7.00 minutes C) 9.25 minutes D) 64.00 minutes Answer: C
Explanation: C) WT =
Diff: 3
Objective: 5
AACSB: Application of knowledge
= 592/64 = 9.25 minutes
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25) Two common operational measures of time are customer-response time and on-time performance. Answer: TRUE
Diff: 2
Objective: 5
AACSB: Analytical thinking
26) Customer response time is the time it takes from the time a customer places an order for a product or service to the time the product or service is delivered to the customer. Answer: TRUE
Diff: 2
Objective: 5
AACSB: Analytical thinking
27) Manufacturing lead time is the sum of waiting time and manufacturing time for an order. Answer: TRUE
Diff: 2
Objective: 5
AACSB: Analytical thinking
28) A time driver is any factor that causes a change in the speed of an activity when the factor changes. Answer: TRUE
Diff: 1
Objective: 5
AACSB: Analytical thinking
29) The average waiting time is the average amount of time an order will wait at the company's shipping office before it is sent to the customer. Answer: FALSE
Explanation: The average waiting time is the average amount of time that an order will wait in line before it is set up and processed.
Diff: 2
Objective: 5
AACSB: Analytical thinking
30) Manufacturing Cycle Efficiency (MCE) = Value-added Manufacturing Time divided by Manufacturing Cycle Time. Answer: TRUE
Diff: 2
Objective: 5
AACSB: Analytical thinking
31) Identifying and minimizing the sources of non-value-added manufacturing time increases a firm's responsiveness to its customers and reduces its costs. Answer: TRUE
Diff: 1
Objective: 5
AACSB: Analytical thinking
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