Bacteria that work without oxygen are called _____
a. protozoa c. one cell
b. anaerobic d. aerobic
B
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Technician A says tire thumping may be caused by a heavy spot in the tire. Technician B says cupped tire tread may cause tire thumping. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A VFD control panel is typically _____.
a. removable b. wireless c. battery-powered d. very heavy
When tri-state outputs are used in a GAL22V10
A) all outputs must be controlled with the same control input. B) only one product term can be used to control the output. C) a single pin must be used for all tri-state control. D) multiple product terms can be used to control the output.
If a split-phase motor hums and does not turn after power is applied, the most likely problem is __________.
A. a short exists B. the start winding is open C. the motor shaft is stuck D. the motor is overloaded