OPERATION MANAGEMENT
2nd Edition
ISBN: 9781260242423
Author: CACHON
Publisher: MCG
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Chapter 5, Problem 12CQ
Summary Introduction
To identify: If the given statement is true or false.
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To find the bottleneck in a process with attrition loss, all we need to do is find theresource with the lowest capacity. True or false?a. Trueb. False
A department works one 8-hour shift, 250 days a year, and has these figures for usage of amachine that is currently being considered:ProductAnnualDemandStandard ProcessingTime per Unit (hr)Processing TimeNeeded (hr)1 400 5.0 2,0002 300 8.0 2,4003 700 2.0 1,4005,800Units of capacity needed = Processing time needed ___________________________ Processing time capacity per unit (5–3)Working one 8-hour shift 250 days a year provides an annual capacity of 8 × 250 =2,000 hours per year. Consequently, three of these machines would be needed to handle therequired volume:5,800 hours __________________ 2,000
A lab provides ultrasound service to patients. The service process consists of two
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1. Registration. Performed by a receptionist (Salary rate = $25/hr; Process time
= 6 minutes/patient)
2. Ultrasound scan. Performed by a technician (Salary rate = $30/hr; Process
time = 20 minutes/patient)
Note that the ultrasound images need to be read by radiologists, but we assume that
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Chapter 5 Solutions
OPERATION MANAGEMENT
Ch. 5 - Prob. 1CQCh. 5 - Prob. 2CQCh. 5 - Prob. 3CQCh. 5 - Prob. 4CQCh. 5 - Prob. 5CQCh. 5 - Prob. 6CQCh. 5 - Prob. 7CQCh. 5 - Prob. 8CQCh. 5 - Prob. 9CQCh. 5 - Prob. 10CQ
Ch. 5 - Prob. 11CQCh. 5 - Prob. 12CQCh. 5 - Prob. 13CQCh. 5 - Prob. 14CQCh. 5 - Prob. 15CQCh. 5 - Prob. 16CQCh. 5 - Prob. 1PACh. 5 - Prob. 2PACh. 5 - Prob. 3PACh. 5 - Prob. 4PACh. 5 - Prob. 5PACh. 5 - Prob. 6PACh. 5 - Prob. 7PACh. 5 - Prob. 8PACh. 5 - Prob. 9PACh. 5 - The help desk at Triple Stacked handles calls from...Ch. 5 - Prob. 11PACh. 5 - A pharmaceutical company creates a compound with a...Ch. 5 - Prob. 13PACh. 5 - Prob. 14PACh. 5 - Prob. 15PACh. 5 - Prob. 16PA
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- In a multi-station serial process system, the capacity of the system is the equal to the capacity of the station that has the highest capacity among all stations. True Falsearrow_forwardWhich of the following most directly expresses the motivation behind the expression "Do not block the bottleneck"? Multiple Choice O O O If the bottleneck has nothing to work on, the overall capacity of the process will be lower than it could be. If the bottleneck is prevented from working (e.g., it has nowhere to put its output), the overall capacity will be reduced. Blocking the bottleneck will increase the coefficient of variations of the arrival process, which decreases capacity. Blocking the bottleneck increases inventory turns, which increases the annual holding costs. It is not good to block the bottleneck because there are economies of scale in inventory management.arrow_forwardNavern Corporation manufactures and sells custom home elevators. From the time an order is placed until the time the elevator is installed in the customer's home averages 141 days. The 141 days are spent as follows: Wait time Inspection time Process time Move time Queue time What is Navern's manufacturing cycle efficiency (MCE) for its elevators? Multiple Choice O O 41.1% 30.4% 58.9% 29 days 24 days 34 days 31 days 23 days 57.4%arrow_forward
- 23Qarrow_forwardYou observe a bank and notice that a customer leaves the bank about every five minutes.These five minutes between customers are:a. the capacity of the process.b. the processing time of the last resource.c. the cycle time.d. the lead timearrow_forwardA Printed Circuit Board (PCB) machine installs integrated circuits onto a board. Before starting to produce a board, the PCB machine requires a 16-minute setup. Once in production, the PCB machine requires only 0.19 minute per board. a. Currently, the PCB machine produces 525 boards between setups. Given this operating process, what is the capacity of the PCB machine (in boards per min)? b. Currently, the PCB machine produces 525 boards between setups. Given this operating process, what is the utilization of the PCB machine? c. Say the PCB machine produces 400 boards s between setups and demand is 2 boards per minute. Given the operating process, what is the avergae inventory of boards anf the PCB machine? d. Demand for boards occurs at the rate of 2 boards per minute. What is the smallest batch size such that the PCB machine does not constrain the flow rate through the process?arrow_forward
- It is possible to increase process capacity by balancing a process. True or false?a. Trueb. Falsearrow_forwardThe bottleneck resource in a process has the least idle time. True or false?a. Trueb. Falsearrow_forwardWhich of the following statements is TRUE? Group of answer choices The bottleneck resource is the one that determines the capacity of a process, and thus its utilization is always 100%. Because there is excess capacity compared to the bottleneck resource, non-bottleneck resource is always under-utilized, and its utilization is less than 100%. The bottleneck resource constrains the flow of the process, and thus the flow rate is always the same as the bottleneck capacity. When process is capacity constrained, utilization tells us by how much demand exceeds capacity. It is always necessary to add more capacity to the bottleneck stage to increase the Flow rate of the process.arrow_forward
- what is the implied utilization of the issue license?arrow_forwardIn a service operation, we can compute the value-added time by simply looking at thelabor content. True or false?a. Trueb. Falsearrow_forwardWhich of the following statements best represents a concise definition of an operations process? It is a conversion activity that Select one: a. involves technical analysis b. involves workers and equipment c. transforms inputs to outputs d. produces competitive advantage for the firm Which of the following situations will tend to increase customer dissatisfaction with waiting in line the most? Select one: a. Large numbers of customers b. The physical location of an operation c. Bright lights in the banking hall d. Idle workers in the view of customersarrow_forward
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