Why must mobilization be included in the cost of equipment?
What will be an ideal response?
Mobilization time is the amount of time that is required to transport the equipment to the job site, set it up, and remove it after its use is completed. These costs are directly attributable to the project and should be charged to the project.
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Derating factors shall only be applied when the number of current-carrying conductors in a wireway exceeds _____.
a. 15 b. 20 c. 25 d. 30
____________________ balance refers to the balance nature has regarding the number of living things in a given area
Fill in the blank(s) with correct word
In order to replace an old process for producing a polymer that reduces friction loss in engines, two current-technology machines have been identified. Process K will have a first cost of $160,000, an operating cost of $7000 per month, and a salvage value of $50,000 after 1 year and $40,000 after its maximum 2-year life.
Process L will have a first cost of $210,000, an operating cost of $5000 per month, and salvage values of $100,000 after 1 year, $70,000 after 2 years, $45,000 after 3 years, and $26,000 after its maximum 4-year life. You have been asked to determine which process is better using a study period of (a) 1 year, (b) 2 years, and (c) 3 years. The company’s MARR is 12% per year compounded monthly. (Note: Problem 11.46 continues this analysis via spreadsheet with the added option of upgrading the in-place process.)
Zeotropic refrigerant blends condense and evaporate at:
A) Multiple temperatures. B) A single pressure. C) A single temperature. D) Multiple pressures.