A battery system includes storage batteries and battery chargers, and can include inverters, converters, and associated electrical equipment.
a. true
b. false
a. true
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Which of the following components sets the system cut-in and cut-out pressures?
A. The service reservoir B. The governor C. The air dryer D. The supply tank
Two relatively inexpensive alternatives are available for reducing potential earthquake damage at a top secret government research site. The cash flow estimates for each alternative are given below. At an interest rate of 8% per year, use the B/C ratio method to determine which one should be selected. Use a 20-year study period, and assume the damage costs would occur in the middle of the study period, that is, in year 10.
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Find v? and i? in the circuit of Fig. 5.52.
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Another common name for lineman pliers is _____
a. locking pliers b. tongue-and-groove pliers c. needle-nose pliers d. side cutters