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1Excluding exceptions, cleanouts must be installed in horizontal drainage pipe at intervals of not more than 100 feet.
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2Gas water heaters burning not more than 40,000 BTU’s per hr. may be connected with approved metal tubing connectors having a nominal diameter of 3/8” and an overall length not to exceed _____ inches.
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3Code mandates that a vent pipe for a gasfired water heater with a 4 inch diameter draft hood outlet connect with a vent pipe whose diameter is at least ____ inches.
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4Appliance connectors shall not have a diameter less than: appliance. Code Tables 13-1 and 13-2. appliance manufacturer.
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5A miniature boiler is a boiler having an internal shell diameter of 16 inches or less and a gross volume of 5 cu. ft. or less for steam or vapor under pressures exceeding _____ psi and not exceeding _____ psi.
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6Building sewers or drainage piping constructed of materials which are not approved within a building shall not be run or laid in the same trench with water service pipes or any underground water pipes: solid shelf excavated at one side of the common trench. points, shall be at least twelve (12) inches above the top of the sewer line. and approved by the Administrative Authority.
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7All gas piping shall be adequately supported by metal straps or hooks at intervals of not more than 6 feet for piping, one (1) inch and smaller and not more than ______ feet for larger piping.
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8When the water pressure is 60 lbs. per sq. in., the maximum flow rate for a private lavatory shall not exceed:
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9Domestic gas piping shall stand a pressure of not less than ____ lbs. psi, or may be tested at a pressure of at least ____ in. of mercury.
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10A combination waste and vent stack with a diameter of two inches, that does not exceed 30 feet in length, shall not receive the discharge from:
