Operations Management
17th Edition
ISBN: 9781259142208
Author: CACHON, Gérard, Terwiesch, Christian
Publisher: Mcgraw-hill Education,
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Chapter 18, Problem 12CQ
Summary Introduction
To determine: Whether earliest-due-date rule always minimizes the maximum tardiness across jobs is true or false?.
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So how to calculate the following below:
Avg. lateness = ? days
Avg. completion time = ?? days
Avg. number of jobs in the system = ? jobs
Line processes generally have lower volumes as compared to job processes.
True
False
Suppose there is a set of jobs to be processed at a resource. Shortest processing timealways sequences the jobs in a different order than first-come-first-served. True or false?a. Trueb. False
Chapter 18 Solutions
Operations Management
Ch. 18 - Prob. 1CQCh. 18 - Prob. 2CQCh. 18 - Prob. 3CQCh. 18 - Prob. 4CQCh. 18 - Prob. 5CQCh. 18 - Prob. 6CQCh. 18 - With weighted shortest processing time, jobs are...Ch. 18 - Prob. 8CQCh. 18 - Prob. 9CQCh. 18 - Prob. 10CQ
Ch. 18 - Prob. 11CQCh. 18 - Prob. 12CQCh. 18 - Prob. 13CQCh. 18 - Prob. 14CQCh. 18 - Prob. 15CQCh. 18 - Prob. 16CQCh. 18 - Prob. 1PACh. 18 - Prob. 2PACh. 18 - Prob. 3PACh. 18 - Prob. 4PACh. 18 - Prob. 5PACh. 18 - Prob. 6PACh. 18 - Prob. 7PACh. 18 - Prob. 8PACh. 18 - Prob. 9PACh. 18 - Prob. 10PACh. 18 - Prob. 11PACh. 18 - Prob. 12PACh. 18 - Prob. 13PACh. 18 - Prob. 14PACh. 18 - Prob. 15PACh. 18 - Prob. 1CCh. 18 - Prob. 2CCh. 18 - Prob. 3CCh. 18 - Prob. 4C
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- In a POAM, an action is a scheduled event that indicates the completion of a task or group of tasks. True Falsearrow_forwardCalculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) The following jobs are waiting to be processed at Jeremy LaMontagne's machine center. Today is day 245. Job Date Job Received Due Date Duration (days) 1 215 300 30 2 230 310 25 3 228 290 35 4 235 305 40 5 245 315 45arrow_forwardShortest processing time minimizes the flow time of jobs at a resource because itreduces the processing times of the jobs. True or false?a. Trueb. Falsearrow_forward
- If the 13th unit processed requires 87.00 minutes and the 26th unit requires 64.00 minutes, how much time would you estimate the 50th unit requires? (round to nearest whole number) Group of answer choices 35 minutes 48 minutes 18 minutes 55 minutes 40 minutesarrow_forwardLee is the manager of the ABC construction project. Lee is informed by the foreman that the concrete will need to cure for one more day before the framing can start. Lee should add which time to the framing activity to accommodate the requirement? Group of answer choices Lag Delay Slack Leadarrow_forwardA kanban card is used to signal that: Select one: a. A machine has broken down. b. Work is needed from the preceding station. c. Work is ready to be moved to the next d. A worker has run out of parts.arrow_forward
- A job application letter, also known as a cover letter Select one: O True O Falsearrow_forwardThe maximum cycle time is the time of the longest task when the tasks are running in parallel. O a. FALSE O b. TRUEarrow_forwardThe constraints governing the jobs are as fo1lows: A and B are start jobs; A controls C, D and E; B controls F and J; G depends upon C; H depends on D; E and F control I and L; K follows J; L is also controlled by K; G, H, I and L are the last jobs. Draw the network,arrow_forward
- Job rotation involves assigning an employee more tasks and greater control.;True or Falsearrow_forwardDepending on how jobs arrive to a resource, it is possible that the average flow time of the jobswith first-come-first-served is lower than that with shortest processing time. True or false?a. Trueb. Falsearrow_forwardPart b percent utilization for the sequence developed using the EDD RULEarrow_forward
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