When jump-starting a vehicle, which of these connections is the last connection to be made?
A) A
B) B
C) C
D) D
B) B
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On wood-stud and cold-formed steel-stud-wall assemblies, stucco is typically applied in three coats. Beginning from the first to the last, the coats are generally called ________.
A) scratch coat, brown coat, and finish coat. B) prime coat, brown coat, and finish coat. C) prime coat, scratch coat, and finish coat. D) brown coat, scratch coat, and finish coat. E) prime coat, base coat, and finish coat.
The heat addition is nearest:
An engine operates on a diesel cycle with a compression ratio of 20 between temperature limits of 25°C and 1400°C and an inlet pressure of 100 kPa. The power output is 500 kW.
A) 433 kJ/kg
B) 487 kJ/kg
C) 506 kJ/kg
D) 522 kJ/kg
An Australian steel company, ASM International, claims that a savings of 40% of the cost of stainless steel threaded bar can be achieved by replacing machined threads with precision weld depositions. A U.S. manufacturer of rock bolts and grout-in-fittings plans to purchase the equipment. A mechanical engineer with the company has prepared the following estimates for additional costs and savings over the next 4 years (16 quarters). Costs decrease for some time, then increase rapidly as the equipment ages. Savings peak at $80,000 for some quarters, but then decrease as expected competition takes its toll. The U.S. manufacturer president is not sure of the time frame to plan for the use of this new technology. The decision, in part, rests upon the rate of return achievable as the
years of use progress. In the past, projects must return at least 24% per year to be retained.
(a) Determine the expected rate of return per quarter for 2 years (8 quarters) and beyond using a spreadsheet.
(b) Plot i* versus quarter to graphically illustrate your results.
(c) Make a recommendation on the number of years to use the technology to economic advantage.
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Which of the following methods would be preferred when bleeding a typical air-over-hydraulic brake system?
A. pressure bleeder B. maximum air system pressure C. allow the system to self-bleed D. any of the above