Decision making in the engineering economy is concerned with choosing the best 1. Alternative with the longest life 2. Alternative with the least cost 3. Alternative with highest revenue 4. An alternative that is the most cost-effective 0 4 O 1
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- Pro bro expert Hand written solution is not allowed.The ore of a gold mine in the mountain province contains, on the average, 0.5 Gram of gold per ton. One method of processing cost P1,650 per ton recovers 93% of the gold, while another method cost only P1,500 per ton and recovers 81% of the gold. If gold can be sold at P8,500 per gram, which method is better and by how much?In connection with surfacing a new highway, a contractor has a choice of two sites on which to set up the asphalt-mixing plant equipment. The contractor estimates that it will cost $1.25 per cubic yard mile (yd3 –mile) to haul the asphalt-paving material from the mixing plant to the job location. Factors relating to the two mixing sites are as follows: (See pic) The job requires 50,000 cubic yards of mixed-asphalt-paving material. It is estimated that four months (17 weeks of five working days per week) will be required for the job. Compare the two sites in terms of their total costs. Assume that the cost of the return trip is negligible. A) Which is the better site? B) For the selected site, how many cubic yards of paving material does the contractor have to deliver before staring to make a profit if paid $8.35 per cubic yard delivered to the job location?
- A vertical oil well has been drilled and completed. The productive zone is between the depths of 2,800 and 2,900 feet, you can assume there is oil in the entire thickness (gross = net). The average porosity is 10%, average water saturation is 20% and the oil formation volume factor is 1.3 RB/Stb. Other reservoirs with similar properties have drainage areas of 40 acres and the recovery factor 10.47305% (it is known with extreme precision!) a) Compute STOIIP and ultimate recovery, using the formals presented in lecture b) This well will also have a gas oil ratio (GOR) of 800 scf/bbl, how much gas is expected to be produced from this well?plz solve first 3 parts only (2.4),(2.5) within 30-40 mins I'll give you multiple upvoteProb.#1 At the Motorola plant in Mesa, AZ, it is desired to determine whether one-inch-thick insulation or two-inch-thick insulation should be used to reduce heat loss from a long section of steam pipe. The heat loss from the pipe without any insulation would cost $2.00 per linear foot per year. The one- inch-thick insulation option will eliminate 88% of the heat loss and will cost $0.60 per foot. Two-inch insulation will eliminate 95% of the heat loss and will cost $1.10 per foot. The steam pipe is 1,000 feet in length and will last 10 years. MARR is 6% per year. Which insulation thickness should be recommended? Apply Equivalent Uniform Annual Worth technique. please show all work for each type.
- Hero expert pro Hand written solution is not allowed.Pls in details In the production of a certain product, two operation are available. One will produce 40 units of the finished product per P1,000.00 worth of raw materials and will cost P4.20 per unit of the finished product. The other process will produce 44 units of the finished product per P1,000.00 worth of raw materials and will cost P5.60 per unit of the finished product. What is the break-even point in unit value of the finished product below which the low efficiency process should be used and above which high efficiency should be used?SOLVE IT USING 1.) Present Worth Cost Method2.) Equivalent Uniform Annual Cost Method
- A school building requires repainting. The surface area to be repainted is 1, 744 sq. mtrs. Two kinds of paint are available whose brands are A and B. Paint A cost ₱40 per sq. m. but needs renewal at the end of 4 yrs., while paint B cost ₱265 per sq. m. If money is worth 12% effective, how often should paint B be renewed so that it will be economical as paint A?Lennon Hearth Products manufactures glass-door fireplace screens that have two types of mounting brackets for the frame. An L-shaped bracket is used for relatively small fireplace openings and a Ushaped bracket is used for all others. The company includes both types of brackets in the box with their product and the purchaser discards the one not needed. The cost of these two brackets with screws and other parts is $3.50. If the frame of the fireplace screen is redesigned, a single universal bracket can be used that will cost $1.20 to make. However, initial costs of retooling ($6000) and inventory writedowns ($8000) will be incurred immediately. If the company sells 1200 fireplace units per year, should the company keep the old brackets or go with the new ones, assuming the company uses an interest rate of 15% per year and it wants to recover its investment in 5 years. Use the present worth method for your evaluation.A diesel engine uses type A filter and high end lubricating oil costing $5.50 per liter. With this filter the oil and filter have to be change every 500 hours of operation, and 5 liters of oil have to be added every 100 hours. This filter costs $148 per piece. 80 liters of oil fill the engine. Another type, Filter B, costing $120 may be used with a lower grade of oil costing $4.80 per liter. However if this filter is used, the oil and the filter had to be change every 300 hrs and 10 liters are added after each 150 hrs the engine is used. Which type of filter would you recommend?