Refrigeration can be described as ____.
A. the process of making products cold
B. the process of introducing heat to a location where it is not wanted
C. the process of removing heat from a place where it is not wanted to a place where it makes little or no difference
D. none of the above
Answer: C
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Indicate the minimal meteorological conditions for operating a small remotely piloted aircraft.
A. Out of the clouds and winds of less than 25 knots. B. Ground visibility at the command post of at least two statute miles. C. Out of the clouds and in sight. D. Out of the clouds and ground visibility of the ground control station of at least two statute miles.
O-rings are a type of ________ seal.
A) Static B) Lip C) Dynamic D) Inside
An optoisolator uses an LED-photodiode combination that is encased in a(n) ____.
a. PN junction diode b. integrated circuit c. breadboard d. capacitor
The following statements are all correct EXCEPT _________
A) Used tires produce a heavy smoke when burned. B) Used tires are difficult to dispose of in a landfill because they tend to rise to the surface. C) Used tires can be breeding grounds for mosquitoes that carry disease. D) All of the statements are correct