A pyrometer that measures radiant energy at two different wavelengths is the __________ pyrometer.
A. broadband
B. optical
C. ratio
D. dual color
Answer: C
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Information on prints that cannot be represented graphically by lines may be presented by:
a. lettered dimensions b. notes c. titles d. all of the above
A equivalent pipe is an
a. average length of pipe replacing a looped pipe system b. average pipe diameter replacing a series or parallel pipe system c. average pipe that has the same flow rate as a given real system d. theoretical pipe that has a minimum head loss for a given flow e. theoretical pipe that replaces a section of a real system so that the head loss in the two systems are identical for any flow
In capacitive sensors, the target acts as the sensor's ________
A) Detector B) Reflector C) Second capacitor plate D) Magnetic field
If a confined gas is removed to form a partial vacuum, its temperature will __________.
A. increase B. decrease C. remain the same