pls help asap on both Why is sulphur added to structural steels?O a) To increase corrosion resistance.Ob) To improve toughness.Oc) Sulphur is not added, it is an impurity.Od) To increase hardenability. Which of the following combinations of gases may be used for flame cutting of ferrous materials?O a) Compressed Air-Acetylene.Ob) Argon-Hydrogen.c) Nitrogen-Acetylene.Od) Oxygen-Acetylene.

1.Flame cutting, commonly used for ferrous materials like steel, relies on the intense heat…

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ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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a.A clothing manufacturer makes trousers, skirts and blouses. Each trouser requires 20 minutes of cutting time, 60 minutes of sewing time and 5 minutes of packagingtime. Each skirt requires 15 minutes of cutting time, 30 minutes of sewing time and 12 minutes of packaging time. Each blouse requires 10 minutes of cutting time, 24 minutes of sewing time and 6 minutes of packaging time.The amount of time available for cutting, sewing and packaging is 115 hours, 280 hours and 65 hours respectively. Using either the ??????? ?????? ?? ?????????'? ????, determine how many of each type of clothing should be made to use all available labour hours?
Complete all of the following definitions
Use the table to answer questions 1. What is the oppourtonity cost of producing 800 tons of fruit instead of 450?
Describe the results shown in the following graph. 1) What does Estimated Effect mean here? 2) What do the authors find? 3) Why is the estimated effect near O for 4 months after the implementation of a stay at home order? 12 Months from stay home order Estimated Effect
b.A clothing manufacturer makes trousers, skirts and blouses. Each trouser requires 20 minutes of cutting time, 60 minutes of sewing time and 5 minutes of packaging time. Each skirt requires 15 minutes of cutting time, 30 minutes of sewing time and 12 minutes of packaging time. Each blouse requires 10 minutes of cutting time, 24 minutes of sewing time and 6 minutes of packaging time. The amount of time available for cutting, sewing and packaging is 115 hours, 280 hours and 65 hours respectively. Using either the Inverse Method or the Cramer’s Rule, determine how many of each type of clothing should be made to use all available labor hours?
Assume that a product sells for $100 per ton and thatPittsburgh is the basing-point city for calculating transportation charges. Shipping from Pittsburgh to a potentialcustomer in Cincinnati costs $10 per ton. The actual shipping costs of suppliers in three other cities are $8 per tonfor Supplier A, $11 per ton for Supplier B, and $10 per tonfor Supplier C. Using this information, answer the followingquestions:a. What delivered price would a salesperson for Supplier Aquote to the Cincinnati customer?b. What delivered price would a salesperson for Supplier Bquote to the Cincinnati customer?c. What delivered price would a salesperson for Supplier Cquote to the Cincinnati customer?d. How much would each supplier net (after subtractingactual shipping costs) per ton on the sale?
Each time a song is played on the radio, the record company and the songwriter are paid a royalty of $0.30.Of the total, 75% goes to the company and the rest to the writer. If on a network of 50 radio stations, a certainsong is played 4 times a day during the first week and then 20 times a day for the next three weeks, how muchdoes the network owe in royalties for the four weeks? How much do the record company and the songwriterreceive each
During the night, the electricity sector has a marginal cost of $1/MWh (megawatt-hour) forthe first 100 MWh produced (from wind turbines), and $20/MWh for each additional unit (from gasgenerators). During the day, they have a marginal cost of $1/MWh (megawatt-hour) for the first 50MWh produced (from solar panels), and $20/MWh for each additional unit (from gas generators).Nighttime and daytime demand are given by QnightD = 50 −P and QdayD = 200 −P , respectively.What are the market quantity and price during the day, and the market quantity and price at night?This is a model of the wholesale market for electricity, which you can think of as being competitive,but there is no resale between night and day.
QUESTION 19 Rex Carr could pay $10 for a shovel that lasts one year and pay $5 a car to his brother Scoop to bury the cars, or he could buy a low-quality car smasher that costs $200 a year to own and that smashes cars at a marginal cost of $1 per car. If it is also possible for Rex to buy a high-quality hydraulic car smasher that cost $650 per year to own and if with this smasher he could dispose of cars at a cost of $.75 per car, it would be worthwhile for him to buy this high-quality smasher if he planned to dispose of a. no more than 900 cars per year. b. at least 1,810 cars per year. c. at least 1,800 cars per year. d. at least 900 cars per year. e. no more than 1,800 cars per year.
Which of the following statements related to cost estimation methods is true? O a. The three methods determine a slope and an intercept. O b. The high-low method is the most accurate and reliable method to determine the cost behavior compared to scatter-graph plot and least-squares regression methods. O c. The most complex method of cost estimation is the high-low method. O d. The scatter-graph method is used to derive an estimated line of cost behavior by graphically connecting the two cost amounts identified with the highest and lowest volume levels. O e. None of the given answers.
Ahmed the Nigerian guy can produce any of the following combinations of clay pots (P) and jute bags (J): (a) 100 P and 0 J; (b) 50 P and 25 J; (c) 0 P and 50 J. Adib the Bangladeshi guy on the other hand can produce the following combinations of clay pots and jute bags: (a) 50 P and 0 J; (b) 25 P and 40 J; (c) 0 P and 80 J. Who has the comparative advantage in the production of clay pots? Of jute? Explain and show the calculations clearly.
) Q = 36-2P b) 44-4P-Q = 0 find TR, AR, MR and prove that slop of MR is twice than slop AR and also show the graphs. Also evaluate MR at Q = 4 and Q = 10.

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