InterNACHI 238 Questions with 100% Correct Answers | Verified | Updated 2024|59 Pages
b. end 1 inch above the waste drain line - ️️A condensate line should ______________. a. empty directly into the waste drain line b. end 1 inch above the waste drain line c. not drain into the waste drain line d. extend at least 1 inch into the waste drain line c. is more efficient than conventional furnaces and uses a secondary heat exchanger - ️️A condensing furnace _____________. a. works like an air conditioner, except that it heats instead of cools b. is a furnace covered in condensation c. is more efficient than conventional furnaces and uses a secondary heat exchanger a. 3 - ️️A crawlspace should have one vent at least ______ feet from the corner. a. 3 b. 2 c. 4 d. 1-1/2 a. effective resistance of the wire is increased, so the fuse can no longer adequately protect the wire from overheating - ️️A damaged or nicked wire is a safety hazard because the ___________________. a. effective resistance of the wire is increased, so the fuse can no longer adequately protect the wire from overheating b. damaged wire may corrode c. wire's effective diameter has been decreased, thereby decreasing the resistance of the wire
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