A check valve arranged and trimmed for installation in a drain line that is used to control backflow is a
A. needle valve
B. gate valve
C. backwater valve
D. diaphragm valve
Answer: C
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What are some of the down sides to solid-state devices?
What will be an ideal response?
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What two things are accomplished in the condenser?
A) Latent heat is removed B) Refrigerant changes from a gas to a liquid C) Both A and B D) Neither A nor B
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A parallel circuit only has one path for current flow.
Answer the following statement true (T) or false (F)
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Carry the answer to five decimal places. A meter is to be bolted to a switchboard. The meter studs that will fit into the holes on the switchboard are 0.4365 inch in diameter. Express the hole sizes in decimal form if they are to be 
inch larger in diameter than the studs.
Fill in the blank(s) with the appropriate word(s).
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