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Your Report WrongQ.1) Of the four board subjects given for Master Plumbers examination, which of this subject was originally split into two subjects?A. Plumbing Code B. Design and Installations C. Plumbing Arithmetic (Your Answer) D. Practical Problems(Correct Answer) WrongQ.2) Copper tube and fittings used for drainage and vent piping installed aboveground shall be at least ____.A domestic dishwasher drain shall first connect to ____.Q.4) Unions shall be installed in a water supply system within ____ to a water heaterCorrectQ.5) A branch line serving a trap in a combination waste and vent system is required to be separately vented when the length of the branch exceeds ____.A. 15(Your Answer) B. 10 C. D. 25 5 WrongQ.6) Three-inch horizontal drainage piping shall be run in practical alignment and at a uniform slopeof not less than ____.
CorrectQ.7) The minimum requirement for the slope of horizontal drainage pipes between manholes isWrongQ.8) A drain connecting the compartments of a set of fixtures to its trap is called a(an) ____.UnansweredQ.9) The maximum number of lavatories on a 2-1/2 inch horizontal waste line is ____.A. 10 B. 14(Correct Answer) C. 20 D. 6 WrongQ.10) The maximum distance a gas shutoff valve may be from a gas appliance (except for range and dryer connectors) is ____.A. 6 feet(Correct Answer) B. 10feet C. 3 feet (Your Answer) D. 2 feet WrongQ.11) An ejector discharge line shall be provided with a ____A. gate valve only B. backwater valve and gate valve(Correct Answer) C. backwater valve only D. swing check valve and a globe valve (Your Answer) CorrectQ.12) In the water test of the entire plumbing system all openings should be tightly closed except atA. protruding cleanouts B. bleeders C. stack vent D. highest opening(Your Answer) WrongQ.13) Because of structural conditions, a 4-inch house drain is installed with a slope of 1/8 inch per foot. This installation will result in a(an) ____.
A. increased scouring and cleansing action B. reduction in fixture unit loading allowance (Correct Answer) C. separation of solids and liquid (Your Answer) D. increased allowance in fixture unit loading CorrectQ.14) A ____ may be installed with indirect wasteA. water closet B. domestic kitchen sink C. drinking fountain(Your Answer) D. lavatory CorrectQ.15) A ____ trap is not self-cleaningA. plaster B. cast-iron C. bell D. grease (Your Answer) CorrectQ.16) Chemical or industrial liquid wastes that are likely to damage the public sanitary sewer system