Plumbing practice test 1 Questions and Answers 100% Solved

Plumbing practice test 1 Questions and Answers 100% Solved you are plumbing an apartment with 3 full bathrooms, a kitchen sink group, and a clothes washer. what is the total d.f.u load for this house? A.19 B.16 C.22 D.24 - answerA.19 Appropriate venting is critical to a well functioning system. A vent stack shall extend through its flashing and terminate vertically not less than _____ above the roof but must extend _______ above the roof is used for any purpose other than weather protection. A. 6" , 7' B. 6" , 9' C. 8" , 5' D. 8" , 4' - answerA. 6" , 7' Which of the following fittings may not be used for drainage when the change of direction is from horizontal to horizontal? A. 1/8 bends B. sweeps C. 1/4 bends D. wyes - answerC. 1/4 bends Tubular stainless steel traps and other fixture fittings must meet: A. ASME 112.18.2 B. ASTM F409 C. CSA B125 D. All of the above - answerD. All of the above Which one of the following traps are prohibited by the IPC code? A. bell traps B. "S" traps C. Drum traps D. All of the above - answerD. All of the above The maximum vertical distance from the fixture outlet to the trap weir shall not exceed ______ inches. A. 6 B. 12 C. 24 D. 3 - answerC. 24 The effluent level must be maintained in a sump pit to prevent the effluent in the rising to within __ inches of te=he invert of the gravity drain. A. 1.0 B. 2 C. 3 D. 4 - answerB. 2 A backwater valve shall be installed on branches of the drainage system when A. fixtures are locates below the street B. fixtures are located in a basement C. Sump pumps are used in the basement D. fixtures are located below the first upstream manhole - answerD. fixtures are located below the first upstream manhole The total fall for a trap arm due to pipe slope shall not exceed ___. A. 1" B. 2" C. One pipeline diameter D. Two pipeline diameters - answerC. One pipeline diameter What is the minimum size discharge piping for a residential non-grinding sewage pump is ___. A. 1 1/4 B. 1 1/2 C. 2" D. 3" - answerC. 2" The maximum length that a 1 1/2" trap with a 1 1/2" fixture drain may be set from its vent is ____. A. 3' - 6' B. 5' C. 6' D. 8' - answerC. 6' A laundry tray waste line may be connected to the stand pipe for the automatic clothes washer drain provided that the laundry tray is _____. A. More than 48" above washer B. drained into a 3" washer trap C. within 30 inches horizontally of the stand pipe D. 43 inches above the base of clothes washer - answerC. within 30 inches horizontally of the stand pipe Cleanout in the building sewer smaller than 8" must not be more than _____ ft. apart. A. 40 B. 50 C. 75 D. 100 - answerD. 100 A vent installed within two pipe diameters of the weir is called A. a wet vent B. a crown vent C. a common vent D. an individual vent - answerB. a crown vent