Earthy or musty off flavors found in farm-raised catfish are caused by _____ algae in the aquaculture ponds

a. black brush
b. staghorn
c. green water
d. blue-green


D

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An orifice in a hydraulic circuit may be used to ________ the fluid flow.

A) Dampen B) Stop C) Filter D) Increase

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A cable lift designed for one person is called a _____.

a. double-stage lift b. modular scaffold c. single-stage lift d. fly deck

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Technician A says that camshaft rotation must be in the same direction as crankshaft rotation. Technician B says that camshaft rotation may be opposite to crankshaft rotation. Who is right?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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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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