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Problem 6-16 (algorithmic) Question Help A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its...
A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its purchase and installation price is...
A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its purchase and installation price is $2,200. A second 30-horsepower high-efficiency motor can be purchased for $3,200, and its efficiency is 92%. Either motor will be operated 4,000 hours per year at full load, and electricity costs $0.10 per kilowatt-hour (kWh). MARR = 12% per year, and neither motor will have a market value at the end of the eight-year study period. a. Which motor should be chosen? b. For...
A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its purchase and installation price is...
A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its purchase and installation price is $2.200 A second 30-horsepower high-efficiency motor can be purchased for $3,200, and its efficiency is 93%. Either motor will be operated 4,000 hours per year at full load, and electricity costs $0.10 per kilowatt-hour (kWh). MARR= 15% per year, and neither motor will have a market value at the end of the eight-year study period. Most motors are operated at a fraction of their...
Problem 6-30 (algorithmic) Question Help * Two electric motors are being considered to drive a ce...
Problem 6-30 (algorithmic) Question Help * Two electric motors are being considered to drive a centrifugal pump. Each motor is capable of delivering 100 horsepower (output) to the pumping operation. It is expected that the motors will be in use 2,500 hours per year and the MARR-8% per year. (1 hp 0.746 kW) a. If electricity costs SX per kilowatt-hour, calculate the annual cost of electrical power for each motor b. What cost of electricity (S/kWh) makes the two pumps...
number 2 PW, AW An electric motor is rated at 10 horsepower (HP) and costs $800....
number 2
PW, AW An electric motor is rated at 10 horsepower (HP) and costs $800. Its full-load efficiency is specified to be 85%. A newly designed, high-efficiency motor of the same size has an efficiency of 90%, but costs $1,200. It is estimated that the motors will operate at a rated 10-HP output for 1,500 hours a year, and the cost of energy will be $0.07 per kilowatt-hour. Each motor is expected to have a 15-year life. At the...
D Question 3 5 pts A standard electric motor is rated at 10 horsepower (HP) and...
D Question 3 5 pts A standard electric motor is rated at 10 horsepower (HP) and costs $800. its full-load efficiency is specified to be 87%. A newly designed, high efficiency motor of the same size has an efficiency of 93%, but costs $1,200. It is estimated that the motors will operate at a rated 10-HP output for 2,500 hours a year, and the cost of energy will be $0.07 per kilowatt- hour. Each motor is expected to have 12-year...
The purchasing department for Eversource Electric asked its operations and maintenance engineering department for its advice...
The purchasing department for Eversource Electric asked its operations and maintenance engineering department for its advice for selecting a new motor of its Distributed Control Center fan. The choices are: 1) Choice one is an electric motor that is rated at 10 Horsepower (HP) and costs $1,200. Its full load efficiency is specified by its supplier to be 85%. 2) Another bidder is proposing a high-efficiency motor of the same size, which has an efficiency of 90% but it costs...
Two 180-horsepower water pumps are being considered for installation in a farm. Financial data for these...
Two 180-horsepower water pumps are being considered for installation in a farm. Financial data for these pumps are in the table below. If power cost is a flat 4 cents per kWh over the study period, determine the minimum number of hours of full-load operation per year that would justify the purchase of the more expensive pump at an interest rate of 14% (1 HP = 746 watts = 0.746 kilowatts). Click the icon to view the additional information Click...
Solve for A and B, Engineering Economy please solve it right! Question Help %) Problem 6-52 (algorithmic) Compare al...
Solve for A and B, Engineering Economy
please solve it right!
Question Help %) Problem 6-52 (algorithmic) Compare alternatives A and B with the present worth method if the MARR is 15% per year. Which one would you recommend? Assume repeatability and a study period of 20 years. $40,000 $7,000 at end of year 1 and increasing by $700 per year thereafter $7,000 every 5 years $15,000 $14,000 at end of year 1 and increasing by $1,400 per year thereafter...
Problem 12-12 (algorithmic) Question Help The tree diagram in figure below describes the uncertain cash flows...
Problem 12-12 (algorithmic) Question Help The tree diagram in figure below describes the uncertain cash flows for an engineering project. The analysis period is two years, and MARR = 12% per year. Based on this information, a. What are the E(PW), V(PW), and SD(PW) of the project? b. What is the probability that PW20? WClick the icon to view the tree diagram. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 12%...
Problem 5-49 (algorithmic) Question Help Consider the two mutually exclusive projects in the table below. Salvage...
Problem 5-49 (algorithmic) Question Help Consider the two mutually exclusive projects in the table below. Salvage values represent the net proceeds (after tax) from disposal of the assets if they are sold at the end of each year. Both projects B1 and B2 will be available (or can be repeated) with the same costs and salvage values for an indefinite period. Click the icon to view the additional data about the mutually exclusive projects. Click the icon to view the...
A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its purchase and installation price is $2,200. A second 30-horsepower high-efficiency motor can be purchased for $3,200, and its efficiency is 92%. Either motor will be operated 4,000 hours per year at full load, and electricity costs $0.10 per kilowatt-hour (kWh). MARR = 12% per year, and neither motor will have a market value at the end of the eight-year study period. a. Which motor should be chosen? b. For...
A special-purpose 30-horsepower electric motor has an efficiency of 90%. Its purchase and installation price is $2.200 A second 30-horsepower high-efficiency motor can be purchased for $3,200, and its efficiency is 93%. Either motor will be operated 4,000 hours per year at full load, and electricity costs $0.10 per kilowatt-hour (kWh). MARR= 15% per year, and neither motor will have a market value at the end of the eight-year study period. Most motors are operated at a fraction of their...
Problem 6-30 (algorithmic) Question Help * Two electric motors are being considered to drive a centrifugal pump. Each motor is capable of delivering 100 horsepower (output) to the pumping operation. It is expected that the motors will be in use 2,500 hours per year and the MARR-8% per year. (1 hp 0.746 kW) a. If electricity costs SX per kilowatt-hour, calculate the annual cost of electrical power for each motor b. What cost of electricity (S/kWh) makes the two pumps...
number 2
PW, AW An electric motor is rated at 10 horsepower (HP) and costs $800. Its full-load efficiency is specified to be 85%. A newly designed, high-efficiency motor of the same size has an efficiency of 90%, but costs $1,200. It is estimated that the motors will operate at a rated 10-HP output for 1,500 hours a year, and the cost of energy will be $0.07 per kilowatt-hour. Each motor is expected to have a 15-year life. At the...
D Question 3 5 pts A standard electric motor is rated at 10 horsepower (HP) and costs $800. its full-load efficiency is specified to be 87%. A newly designed, high efficiency motor of the same size has an efficiency of 93%, but costs $1,200. It is estimated that the motors will operate at a rated 10-HP output for 2,500 hours a year, and the cost of energy will be $0.07 per kilowatt- hour. Each motor is expected to have 12-year...
The purchasing department for Eversource Electric asked its operations and maintenance engineering department for its advice for selecting a new motor of its Distributed Control Center fan. The choices are: 1) Choice one is an electric motor that is rated at 10 Horsepower (HP) and costs $1,200. Its full load efficiency is specified by its supplier to be 85%. 2) Another bidder is proposing a high-efficiency motor of the same size, which has an efficiency of 90% but it costs...
Two 180-horsepower water pumps are being considered for installation in a farm. Financial data for these pumps are in the table below. If power cost is a flat 4 cents per kWh over the study period, determine the minimum number of hours of full-load operation per year that would justify the purchase of the more expensive pump at an interest rate of 14% (1 HP = 746 watts = 0.746 kilowatts). Click the icon to view the additional information Click...
Solve for A and B, Engineering Economy
please solve it right!
Question Help %) Problem 6-52 (algorithmic) Compare alternatives A and B with the present worth method if the MARR is 15% per year. Which one would you recommend? Assume repeatability and a study period of 20 years. $40,000 $7,000 at end of year 1 and increasing by $700 per year thereafter $7,000 every 5 years $15,000 $14,000 at end of year 1 and increasing by $1,400 per year thereafter...
Problem 12-12 (algorithmic) Question Help The tree diagram in figure below describes the uncertain cash flows for an engineering project. The analysis period is two years, and MARR = 12% per year. Based on this information, a. What are the E(PW), V(PW), and SD(PW) of the project? b. What is the probability that PW20? WClick the icon to view the tree diagram. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 12%...
Problem 5-49 (algorithmic) Question Help Consider the two mutually exclusive projects in the table below. Salvage values represent the net proceeds (after tax) from disposal of the assets if they are sold at the end of each year. Both projects B1 and B2 will be available (or can be repeated) with the same costs and salvage values for an indefinite period. Click the icon to view the additional data about the mutually exclusive projects. Click the icon to view the...
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