Answered step by step
Verified Expert Solution
Question
1 Approved Answer
hours per year and the MARR =8% per year. (1hp=0.746kW) a. If electricity costs $X per kilowatt-hour, calculate the annual cost of electrical power for
hours per year and the MARR =8% per year. (1hp=0.746kW) a. If electricity costs $X per kilowatt-hour, calculate the annual cost of electrical power for each motor b. What cost of electricity ($/kWh) makes the two pumps breakeven (i.e. have the same equivalent annual cost)? Assume repeatability and MVs = $0. c. Choose the graph to illustrate your answer to Part (b). d. Which motor should be selected? Click the icon to view the datatable for the additional information about two alternatives. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 8% per year. a. The annual cost of electrical power for Motor A is $1 The annual cost of electrical power for Motor B is $1 X ). (Round to two decimal places.) X). (Round to two decimal places.) b. The cost of electricity that makes the two pumps breakeven is $0.0106/kWh. (Round to four decimal places.) \begin{tabular}{lcc} \hline & Motor A & Motor B \\ \hline Initial cost & $1,200 & $500 \\ Electrical efficiency & 0.85 & 0.59 \\ Annual maintenance & $560 & $300 \\ Life & 5 years & 12 years \\ \hline \end{tabular} hours per year and the MARR =8% per year. (1hp=0.746kW) a. If electricity costs $X per kilowatt-hour, calculate the annual cost of electrical power for each motor b. What cost of electricity ($/kWh) makes the two pumps breakeven (i.e. have the same equivalent annual cost)? Assume repeatability and MVs = $0. c. Choose the graph to illustrate your answer to Part (b). d. Which motor should be selected? Click the icon to view the datatable for the additional information about two alternatives. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 8% per year. a. The annual cost of electrical power for Motor A is $1 The annual cost of electrical power for Motor B is $1 X ). (Round to two decimal places.) X). (Round to two decimal places.) b. The cost of electricity that makes the two pumps breakeven is $0.0106/kWh. (Round to four decimal places.) \begin{tabular}{lcc} \hline & Motor A & Motor B \\ \hline Initial cost & $1,200 & $500 \\ Electrical efficiency & 0.85 & 0.59 \\ Annual maintenance & $560 & $300 \\ Life & 5 years & 12 years \\ \hline \end{tabular}
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started