How is agricultural mechanics different in undeveloped countries and why?
What will be an ideal response?
Agricultural mechanics is different in undeveloped countries because they must utilize simple, tough,
reliable small machines to improve agriculture. This is because they have limited resources such as
capital, fuel for internal combustion engines, and a limited amount of trained farmers.
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For each of the following scenarios, state whether an incremental ROR analysis is required to select an alternative and state why or why not. Assume that alternative Y requires a larger initial investment than alternative X and that the MARR is 20% per year.
(a) X has a rate of return of 22% per year, and Y has a rate of return of 20% per year. (b) X has a rate of return of 19% per year, and Y has a rate of return of 21% per year. (c) X has a rate of return of 16% per year, and Y has a rate of return of 19% per year. (d) X has a rate of return of 25% per year, and Y has a rate of return of 23%. (e) X has a rate of return of 20%, and Y has a rate of return of 22% per year.
Because of a chronic water shortage in California, new athletic fields must use artificial turf or xeriscape landscaping. If the value of the water saved each month is $6000, how much can a private developer afford to spend now on artificial turf provided he must recover his investment in 5 years. Use an interest rate of 18% per year, compounded continuously? Write the spreadsheet function to display the answer.
What will be an ideal response?
The most common type is the 12-inch, triangular scale rule.
Answer the following statement true (T) or false (F)
Define planned maintenance
A) Replacing all system components on a rotating basis B) Performing maintenance and testing whenever the system quits operating correctly C) Performing maintenance and testing based on a regular schedule D) Monitoring key performance indicators and performing maintenance when these indicators show a need for maintenance