The cross liquid charge bulb at the TXV contains fluid that ____.
A. has similar characteristics to the system fluid to prevent liquid refrigerant from entering the suction line
B. has different characteristics from the system fluid
C. causes the valve to stay open during the off cycle
D. follows the typical pressure-temperature relationship
Answer: B
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What type of pump uses impellers to generate outward force?
A) Dynamic B) Plunger C) Piston D) Positive displacement
The vertical condenser fan is trying to fly downward into the unit to push air out the top, which puts a real load on the end of the bearing, called the ____________________ surface.
Fill in the blank(s) with the appropriate word(s).
For grounded systems, equipment grounding conductor connections are required to be made in accordance with which of the following statements?
A. The equipment grounding conductor is bonded to the grounded service conductor. B. The equipment grounding conductor is bonded to the grounding electrode conductor. C. The equipment grounding conductor is bonded to the grounded service conductor and the grounding electrode conductor. D. The equipment grounding conductor is routed back to the utility transformer, where it is connected to the neutral.
Another disease caused by hantavirus is _____.
a. aviary (bird) flu b. botulism c. the Ebola virus d. hemorrhagic fever with renal syndrome (HFRS)