Machine A has a price of $60,000, annual operating cost of $24,000, and life of 5 years. Machine B has a price of $120,000, annual operating cost of $12,000, and life of 10 years. At MARR=10% per year, use EAC and PW to choose the better machine. (a) Using EAC, which machine would you choose? (b) Using PW, which machine would you

Machine A has a price of $60,000, annual operating cost of $24,000, and life of 5 years. Machine B has a price of $120,000, annual operating cost of $12,000, and life of 10 years. At MARR=10% per year, use EAC and PW to choose the better machine. (a) Using EAC, which machine would you choose? (b) Using PW, which machine would you

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter12: Pricing Masonry, Carpentry, And Finishes Work

Section: Chapter Questions

Problem 7RQ

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3. An aircraft manufacturer uses 1,000,000 special rivets per year at a uniform rate. The rivets are made on a single-spindle automatic screw machine at the rate of 3,000 per hour. The manufacturing cost is $0.0052 per rivet and the storage cost is estimated to be $0.0008 per rivet per year. The set-up cost is $40 per set-up. Calculate the economic production quantity and the allow- able variation in this quantity for a maximum deviation from the minimum cost of 5%. Assume the machine operates 1,700 hours per year,
You need to replace an existing machine due to: Obsolescence - technological change. Depletion - loss of market value. Deterioration - wear that is overly expensive to repair. As the engineer in charge shall the defender be replaced now or be maintained for one or more periods? Explain why?
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?
Answer: 1,840 Provide the solution.
CUMULATIVE AMOUNT CUMULATIVE PERCENT RETAINED, (c)=(b)*100/TOT AL SIEV PERCENT AMOUNT RETAINED, g (a) RETAINED, g (b) PASSING SIZ E 1% (d)=100 - (c) 215 1 885 3/4 980 1/2 2350 3/8 1190 2205 1985 10 1840 40 1650 100 980 200 660 PAN 60 15000 TOTAL [7]
Please show all cash flow diagrams and math calculations
Equipment A: The cost of equipment A is $100/ Hr The volume per cycle is 4 CY / cycle The cycle time is 10 minutes The equipment works 50 min / Hr Equipment B: • The cost of equipment A is $110/ Hr The volume per cycle is 6 CY / cycle The cycle time is 12.5 minutes • The equipment works 50 min / Hr Which Equipment option has lower $ Cost per CY ?
Question 4 g on. You are working on a expanding a short span bridge that supports traffic. You have a plate girder that has been used in the bridge construction. a) Describe TWO reasons that can make this steel beam come to an and life b) If the plate girder comes to an end life, mention what would you do to "get rid "of it. Would you recycle, reuse or reengineer? Describe the difference between each scenario. c) Draw a life cycle for the plate girder showing inputs and outputs of each stage.
Question: The Thermiston production plant's equipment operates two shafts for eight hours and produces 100,000 pieces per day. The design time for producing a thousand pieces was 6.88. The last quarter of an hour is allocated for daily maintenance and the first quarter of an hour for operation. The time for unexpected malfunctions in the shaft was 20 minutes. If there were 1,000 defective units per shelf, what is the overall effectiveness of the laboratory equipment for that day?
A partially filled cylinder of refrigerant R-124 weighs 47.3 pounds. Another15.5 pounds of R-124 are put into the cylinder. How much does the cylindernow weigh?
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