What is the purpose of a breaker?
What will be an ideal response?
Breakers are devices that detect any overload above their rating in a circuit and open the circuit automatically.
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A sample of tissue from an injury shows a large number of eosinophils. This would indicate that the tissue was
A) abscessed. B) inflamed. C) being rejected. D) infected by viruses. E) infected by parasites.
Because of its deep threads and holding power, the _____ screw is recommended for use with particleboard
and hardboard. a) common b) sheet metal c) machine d) lag
Most plumbing codes designate Schedule _____ as the minimum size of plastic pipe for use in or under
buildings. A) 20 B) 30 C) 40 D) 50
?Unpressurized thermal storage tanks have several advantages. What is NOT one of these?
A. ?They eliminate the potential for biological growth in the tank. B. ?They do not need a separate expansion tank. C. ?They are less expensive than pressurized tanks. D. ?They are protected from overpressure conditions.