What is a check valve?
What will be an ideal response?
A check valve is a device that will allow fluid flow in only one direction.
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The term ____________________ refers to attempts by insiders to escalate their privileges and access information and other assets they do not explicitly have authorization for.
Fill in the blank(s) with the appropriate word(s).
When changing the superheat setting on a TXV, _____.
a. the system must be shut down b. the system must be in operation c. completely remove the packing nut from the adjusting stem d. close off the equalizer line until the adjustments are complete
Maintain grounding continuity in a cable tray system by connecting the motor to the cable tray system using _____.
a. flexible metal conduit b. a plastic dropout tray c. an outside vertical riser d. 90° horizontal elbow
____ machines are adjusted by turning a handwheel that moves the internal parts closer together or farther apart.
A. Movable coil B. Tap type C. Inverter D. Transformer