The purpose of the charcoal filter in the vacuum hose between the engine and the vacuum brake booster is to ________
A) Direct the vacuum
B) Trap gasoline vapors to keep them from entering the booster
C) Filter the air entering the engine
D) Act as a one-way check valve to help keep a vacuum reserve in the booster
B
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The annual average insolation (energy of sunlight per unit area) striking a fixed solar panel in Buffalo, New York, is 200 W?m?2, while in Phoenix, Arizona, it is 270 W?m?2. In each location, the solar panel converts 15% of the incident energy into electricity. Average annual electricity use in Buffalo is 6000 kW?h at an average cost of $0.15 kW?h, while in Phoenix it is 11,000 kW? h at a cost of $0.09 kW? h.
(a) In each city, what area of solar panel is needed to meet the average electrical needs of a residence? (b) In each city, what is the current average annual cost of electricity? (c) If the solar panel has a lifetime of 20 years, what price per square meter of solar panel can be justified in each location? Assume that future increases in electricity prices offset the cost of borrowing funds for the initial purchase, so that you need not consider the time value of money in this analysis.
The supercharger is driven by:
A. Exhaust gas flowing over the compressor wheel B. The crankshaft C. An electric motor D. The camshaft
All of the following statements about voltage drops are true except:
A. Voltage drop can be measured with a voltmeter. B. Voltage drop is the conversion of electrical energy into another form energy form. C. All of the voltage from the source must be dropped before it returns to the source. D. Corrosion is not a contributor to voltage drop.
What effect does the melt index of a resin have on its ability to be rotationally molded? When (give two examples of parts or applications) would you want to use a higher melt index resin? When (give two examples) would a low melt index resin be desired? Explain
What will be an ideal response?