Electrical Engineering Questions

"In the process of installing or repairing _____________ of a plumbing and drainage installation, the finished floors, walls, ceilings, timework or any other part of the building or premises that must be changed or replaced must be left in a safe structural condition in accordance with the requirements of the International Building Code. A. below grade portions B. above grade portions C. embedded portions D. any part!"

"Water service pipe and the building sewer must be separated by 5 feet (1524 mm) of undisturbed or compacted earth. The required separation distance shall not apply where the bottom of the water service pipe within 5 feet (1524 mm) of the sewer is a minimum of _____________ above the top of the highest point of the sewer and the pipe materials conform to Table 702.3. A. 12 inches (305 mm) B. 24 inches (610 mm) C. 3 feet (914 mm) D. 5 feet (1524 mm)!"

"Drinking water fountains, single orifice not greater than 7/16 inch in diameter or multiple orifices with a total area of 0.150 square inch (area of circle 7/16 inch in diameter) that are away from a wall require a minimum air gap distance in inches of ____________. A. 1 B. 1.5 C. 2 D. 3 E. Two times the diameter of the effective opening!"

"In steam supplies to sterilizers, including those connected by pipes from overhead mains or branches, must be drained to prevent any moisture from reaching the sterilizer, the condensate drainage from the steam supply shall be discharged by _____________. A. mechanical pump B. heat assisted evaporation C. gravity D. capillary action!"

"Horizontal drainage piping must be installed in _________ alignment at ________ slopes. A. uniform, uniform B. strict, 1% C. level, level D. none of these!"

"Barometric loops must precede the point of connection and shall extend vertically to a height of _____________________. A barometric loop shall only be utilized as an atmospheric-type or pressure-type vacuum breaker. A. 10 feet (3 048 mm) B. 20 feet (6 096mm) C. 35 feet (10 668 mm) D. 100 feet (30 480 mm)!"

"""A 2"""" horizontal drain pipe running between floor joist on travels a distance of 6 ft. before connecting to a vertical stack. How much drop should this pipe have in the six foot horizontal length?"" A. 1"" B. 1-1/2 "" C. 2"" D. 2-1/4""!"

"The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim of the receptacle. A. AIR GAP (Drainage System). B. AIR GAP (Water Distribution System). C. ANTISIPHON D. BACKFLOW!"

"Conductor pipes for storm drains must not be used as __________________, and vent pipes shall not be used as ____________. A. soil, waste or vent pipes, conductors B. storm sewer drain pipes, conductors C. conductor pipes, conductor pipes D. any of these!"

"Where any fixture is provided with an overflow, the waste must be designed and installed so that standing water in the fixture will not rise in the overflow when the stopper is closed, and no water will remain in the overflow when the fixture is ______. A. full B. partly full C. empty D. none of these!"

"Where earthquake loads are applicable in accordance with the building code, plumbing piping supports must be designed and installed for the seismic forces in accordance with the _____________________. A. International Earthquake Code B. Seismic Support Mechanical Handbook C. International Building Code D. any of these !"

"I a well used to supply potable water dug or bored well casings must be of water-tight concrete, tile, or galvanized or corrugated metal pipe to a minimum distance of 10 feet (3048 mm) below the ground surface. Where the water table is more than ___________ below the ground surface, the water-tight casing shall extend below the table surface. A. 10 feet (3048 mm) B. 20 feet (6096 mm) C. 50 feet (15 240 mm) D. 100 feet (30 480 mm)!"

"For purposes of calculating maximum fixture unit load and drainage sizing, what is the drainage fixture unit value as a load factor for a bathtub (with or without overhead shower or whirlpool attachments). A. 1 B. 2 C. 3 D. 4 E. 5!"

"Waste outlets in showers must have removable strainers with strainer openings not less than 0.25 inch (6.4 mm) in minimum dimension. A. 0.125 inch (3.2 mm) B. 0.25 inch (6.4 mm) C. 0.50 inch (12.8 mm) D. 1.25 inch (32 mm)!"

"Lavatories must have waste outlets not less than ___________ in diameter. A strainer, pop-up stopper, crossbar or other device shall be provided to restrict the clear opening of the waste outlet. A. 1.25 inches (32 mm) B. 1.5 inches (38 mm) C. 2 inches (51 mm) D. 3 inches (77 mm)!"

"What is the maximum number of drainage fixture units allowed to discharge into one branch interval of a waste drainage system if the waste stack size is 1.5 inches. A. 1 B. 2 C. 4 D. 8!"

"Cleanouts must be installed at each change of direction greater than 45 degrees (0.79 rad) in the building sewer, building drain and horizontal waste or soil lines. Where more than one change of direction occurs in a run of piping, only one cleanout shall be required for each ___________________ of developed length of the drainage piping.A. 40 feet (12 192 mm) B. 80 feet (24 384 mm) C. 100 feet (30 480 mm) D. 200 feet (60 960 mm!"

"For a whirlpool bathtub access must be provided to circulation pumps in accordance with the fixture or pump manufacturer's installation instructions. Where the manufacturer's instructions do not specify the location and minimum size of field-fabricated access openings, a 12-inch by 12-inch (305 mm by 305 mm) minimum sized opening shall be installed to provide access to the circulation pump. Where pumps are located more than _____________ from the access opening, an 18-inch by 18-inch (457mmby 457 mm) minimum sized opening shall be installed. A. 2 feet (609 mm) B. 4 feet (1218 mm) C. 3 feet (914 mm) D. none of these!"

"A vertical measurement of distance, 8 feet (2438 mm) or more in developed length, between the connections of horizontal branches to a drainage stack. Measurements are taken down the stack from the highest horizontal branch connection. A. BRANCH VENT B. BRANCH INTERVAL C. COMMON VENT D. SUCTION DISTANCE!"

" The size of the drainage piping must not be ________________ in the direction of the flow. A. enlarged in size B. reduced in size C. matched in size D. angled!"