Why are high efficiency particulate arrestor (HEPA) filters desirable?
What will be an ideal response?
HEPA filters are desirable since they can trap particles that can contain mold, dust mites, pollen, and bacteria.
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Equipment intended to interrupt current at fault levels must have an interrupting rating at nominal circuit voltage that is _____.
a. equal to the current available at the line terminals of the equipment b. 125% of the current available at the line terminals of the equipment c. 150% of the current available at the line terminals of the equipment d. 200% of the current available at the line terminals of the equipment
In an SOP expression, the output is equal to 1 when one or more of the product terms are equal to 0
Indicate whether the statement is true or false
The three leads of a bipolar junction transistor are called ____.
A. anode, cathode, and gate B. main terminal 1, main terminal 2, and gate C. base 1, base 2, and emitter D. emitter, base, and collector
Half inch conduit is a trade size. It is not an actual measurement of the conduit.
a. true b. false