What is unique about the internal discharge-temperature safety devices in some scroll compressors?
a. They are set to open at a cooler temperature than the external overloads.
b. The excessive pressure is vented to the atmosphere.
c. Once activated, they can never operate again.
d. Some are actually valves that bypass refrigerant
d. Some are actually valves that bypass refrigerant
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When paraphrasing is used, the user is _____.
a. repeating exactly what the message sender said, word for word b. documenting on paper what was said for future reference c. expressing the perceived meaning of a message, in one’s own words d. negotiating with the message sender to change the message
The ____ command enables you to initialize the terminal display or terminal window, to place text and prompts in desired locations, and to respond to what the user selects from the menu.
A. put B. tput C. clear D. tclear
How should airbags be addressed in an emergency rescue situation?
A) Use caution if the C-pillar need to be cut B) Wait at least three minutes for the airbag backup power to discharge C) Both A and B D) Neither A nor B
In a capacitive AC circuit, the relationship between current and voltage is described as ____ degrees out of phase.
A. 30 B. 60 C. 90 D. 180