During the initial startup of a geothermal water source heat pump, when should the water flow be checked and adjusted?
A) after checking the system refrigerant pressures and amp draw
B) after operating the unit for at least 15 minutes
C) first, before operating the system
D) after making sure the refrigerant charge and airflow are correct
C
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The Mechanical Components Division manager asks you to recommend a make/buy decision on a major automotive subassembly that is currently purchased externally for a total of $3.9 million this year. This cost is expected to continue rising at a rate of $300,000 per year. Your manager asks that both direct and indirect costs be included when in-house manufacturing (make alternative) is evaluated. New equipment will cost $3 million, have a salvage of $0.5 million and a life of 6 years. Estimates of materials, labor costs, and other direct costs are $1.5 million, per year. Typical indirect rates, bases, and expected usage are shown. Perform the AW evaluation at MARR = 12% per year over a 6-year study period. Show both hand and spreadsheet solutions.
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Which of these is used to clean threads of a bolt to be reused?
A) Die B) Tap C) Thread chaser D) None of these
When readings are taken from the rim and the face of the coupling flange with two dial indicators, the alignment is referred to as a ____ alignment.
A. reverse dial indicator B. face C. rim D. rim-and-face
_________________________ refers to the hand motion used to move the gun while spraying.
Fill in the blank(s) with the appropriate word(s).