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Description: i need correct explanation my best wishes ton Q 15. The following data is available from time study on a job:Representative time = 1 minuteRating = 125%Allowances = 25% of Standard TimeDetermine the Standard time for the completion of job.

Engineering

Mechanical Engineering

Föllowing data is available from time study on a job: Representative time = 1 minute Rating = 125% Allowances = 25% of Standard Time Determine the Standard time for the completion of job.

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter2: Measurement, Materials, And Safety

Section2.4: Precision Measurement

Problem 21RQ: A(n) ________ displays a magnified image of a part on a screen for conducting measurement.

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Question: A 2-station flow system operates with m = 1 each. Jobs arrive every 5 minutes on average with CV 1.2. The service rate of the first station is 15 per hour with CV 0.5, and the service rate of the second station is 20 per hour with CV 0.75. What is the wait time on average for the second station? a. b. - F Assume that the job arrival rate is now 15 per hour, and that the second station has a limited queue size of 6. What are the throughput and cycle time for the line now?
Processing times (including setup times) and due dates for six jobs waiting to be processed at a work centre are given in the table. The average tardiness (in days) using shortest processing time rule is (correct to two decimal places). Job Processing time (days) Due date (days) 3 8 7 16 4 4 D 9 18 E 17 F 13 19 B.
A(n) ________ displays a magnified image of a part on a screen for conducting measurement.
Table 3 shows the process sequence in a production line and its related direct time study data. The production process must follow a specific route of processes A, B, C, and D respectively. Task A is in full automatic mode and requires one operator at the workstation. The worker at task B was rated with 90%, the worker at task C was rated with 115% and the worker at task D was rated with 80%. The standard allowances accepted by the company are 6% for fatigue, 5% for personal, and 4% for delay. The normal operating period is 8 hours per day and 24 days per month. Analyse the given information and determine the standard time for the product in minutes. Table 3: Average Processing Time (minutes) Job Description Average Processing Time A Automatic B Manual 40 C Manual 30 D Manual 35
Consider the following tasks that must be assigned to four workers on a conveyor-paced assembly line (i.e., a machine-paced line flow). Each worker must perform at least one task. There exists unlimited demand unless stated otherwise. Time to Complete Task (seconds): Task 1: 30 Task 2: 25 Task 3: 15 Task 4: 20 Task 5: 15 Task 6: 20 Task 7: 50 Task 8: 15 Task 9: 20 Task 10: 25 Task 11: 15 Task 12: 20 The current conveyor-paced assembly-line configuration assigns the workers in the following way: • Worker 1: Tasks 1, 2, 3 • Worker 2: Tasks 4, 5, 6 • Worker 3: Tasks 7, 8, 9 • Worker 4: Tasks 10, 11, 12 What is the capacity of the current line (in units per hour)?
If you give wrong answer - i will report you... and dislike this Q1. You are analyzing a process with an average processing time of 1 minute and an interarrival time of 10 seconds. There are 7 servers and CVa is 1.3 and CVp is .80. What is average time in queue? What is the average total flow time? Answer both parts correct to get upvote.
A hospital must order the drug Porapill from the manufacturer of the drug. It costs $500 to place an order. Annual demand for the drug is normally distributed with mean 10,000 and standard deviation 3000, and it costs $5 to hold one unit in inventory for one year. (A unit is a standard container for the drug.) Orders arrive one month after being placed. Assume that all shortages are backlogged. a. What (R,Q) policy should the company use if it wants to meet 95% of all customer demand from existing inventory? b. Suppose the company could pay C dollars per year to decrease its lead time per order from one month to half a month. What is the most it would be willing to pay to do this (and still have a 95% service level)?
True, False or Uncertain. Explain your answer. Own wage elasticity JELLlincrease if product demand elasticity n? is high. In short run, when there is an increase in wage rate, each firm will hire less labor and so the industry labor demand is simply the horizontal summation of firm's labor demand. а. b. Labor demand is represented by the marginal revenue produce schedule (MRP) when we have competitive product market while it will be represented by the value of marginal product schedule (VMP) when we have a product market monopolist. When elasticity of substitution, SLK, increase that means the L and K are less substitutable, and the isoquant will be L-shaped. Minimum wage imposed by the government is always bad for the economy because it increase unemployment and deadweight loss. с. d. e. 3.
The Union Manufacturing Company is producing two types of products: A and B. The demand forecasts, batch size, and time standards follow in table 2: Table No 2 Product A Product B Demand forecast (units/yr) 1,000 4,000 Batch size (units/batch) 20 10 Processing time (hr/unit) 3.2 4.5 Setup time (hr/batch) 10 20 Both products are produced on the same machine, called Mark I. i) What is the total number of hours required of Mark I equipment for the next year? ii) The company works 250 days per year and operates two shifts, each covering 8 hours. If a 15 percent capacity cushion is maintained, how many hours of capacity can the company expect from each of its Mark I machines?
Basic Manufacturing Process with 2 Job Types + Inspection Time between job arrivals at a machining station is exponentially distributed with mean 4.4 minutes. There are 2 types of jobs to be processed 30% of which is Type 1 and, 70% are of Type 2. Processing times are exponentially distributed. Mean processing time for Type 1 is 4.8 minutes, for Type 2 it is 2.5 minutes. After the job is processed, they go through an inspection process with one single inspector and an inspection time with triangular distribution (1,2,3.5). Inspector decides whether the part is good enough, scrap or should be reworked. 80% of the parts produced is good, 10 % is scrap and the rest needs rework. Rework is done by the same manufacturing machine. The priority among the parts will be Part1 first, part2 second and reworks of both type comes later. Rework time is normally distributed with mean 2 minutes and 0,2 std dev. Simulate the system for one 8-hour day.
1. The work-study engineer carries out the work sampling study for 120 hours. The following observations were made for a machine shop: Total number of observations 7000 No. of Idle activities 1200 Ratio between manual to machine elements 3 : 1 Average rating factor 120% Total number of jobs produced during study 800 units Rest and personal allowances 17% Compute the standard time for the job.
1. Table 1 shows a direct time study data from an assembly line. Job element B is in automatic mode while other job elements are in manual operations. The delay allowance is 5%, fatigue allowance is 8% and personal allowance is 7%. Please use 4 decimal places for the rating value and 3 decimal places for your standard time. Table 1: Direct time study data Job Average Rating Element Process Time A 100 1+0.001(264) B 25 1 1+ 0.002(264) 1-0.001(264) 1 - 0.0005(264) C 40 100 E 200 i. Calculate standard time for Job Element A. ii. Calculate standard time for Job Element B. 111. Calculate standard time for Job Element C. iv. Calculate standard time for Job Element D. V. Calculate standard time for Job Element E. vi. Calculate the overall standard time for the whole process.