What device may be used to ensure that air is flowing through a duct before an electric strip heater is energized?

What will be an ideal response?


sail switch

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Explain what happens when you use a Stop element.

What will be an ideal response?

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Answer the following statements true (T) or false (F)

1) Attentuation: Real-world Vaseline audiogram is the estimated sound protection provided by hearing protection worn in a "real-world" setting. 2) A baseline audiogram is a noise of constant level measured over at least one second. 3) A decibel (dB) is the unit used to express the intensity of sound. 4) A dosimeter is an instrument used to measure hearing loss. 5) Hazardous noise is any noise above 20 decibels sustained longer than a minute.

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In a JFET, the drain terminal and the source terminal are connected to the same type of material by a ____.

a. wire b. junction c. channel d. diode

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A _____ assembly is used to connect and disconnect the engine from the transmission.

A. clutch B. gear C. bearing D. flywheel

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