What is specific humidity?

A) The weight of water in each pound of dry air, measured in grains
B) The humidity level required for a particular application
C) The relative humidity for any particular air sample
D) The amount of water in the air compared to the amount of water the air could hold


A

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Identify the three factors that affect demand for urban travel.

What will be an ideal response?

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If you wish to determine the amount of voltage on an energized device, you should use:

A) An ohmmeter. B) A voltmeter. C) An ammeter. D) A non-contact voltage detector.

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Technician A says a corrosion hot spot can be the result of not coating pry pick marks on the back side after repairing a damaged panel. Technician B says corrosion hot spots only occur when heat is used for repairing damage. Who is correct?

A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B

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In an optoisolator, a ____ is used to trigger a phototransistor.

a. light-emitting diode b. transistor c. rectifier d. rheostat

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