The magnetic portion of a standard circuit breaker _____.
a. provides an instantaneous trip for high levels of current
b. protects the circuit from heat damage generated by lower level currents
c. prevents the device from tripping due to a short circuit
d. provides a trip delay for high levels of current
a. provides an instantaneous trip for high levels of current
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Calculate the volume of a cylindrical shape, in cubic inches, when r = 12” and h = 5”. Carry the answer to two decimal places.
How could distillation be used in the water treatment industry?
A) To introduce additives to the water B) To remove contaminants from the water C) To separate the hydrogen from the water D) All of the above
Unsaturated fats are generally considered healthier than saturated fats
Indicate whether the statement is true or false
Setting the amperage at 200 amps for a welding machine that is rated 300 amps at 60 -percent duty cycle will
_____. a. reduce the shielding gas flow rate by 30 percent b. cause excessive nozzle vibration c. increase the duty cycle to 100 percent d. allow welding current to be pulsed