Electrical Engineering Questions

"Where separate systems of sanitary drainage and storm drainage are installed in the same property, the sanitary and storm building sewers or drains are _____________________________. A. laid a minimum of 5 feet (1524 mm) apart B. not be laid a greater distance than 5 feet (1524 mm) apartC. not be permitted to be laid side by side in one trench D. permitted to be laid side by side in one trench!"

"The maximum allowable vertical hanger spacing for cast- iron pipe is __________ feet. A. 5 B. 10 C. 15 D. 20!"

"All hospitals must have _______________ installed in such a manner so as to minimize the potential for an interruption of the supply of water in the event of a water main or water service pipe failure. A. an emergency private well or storage tank B. oversized water service entrance piping C. two water service pipes D. any of these!"

"Water heaters operating above atmospheric pressure provided with a self-closing (levered) pressure relief valve and temperature relief valve or combination thereof. This safety relief valve must be located in the top ___________ of the tank served. A. 6 inches (152 mm) B. 12 inches (304 mm) C. 18 inches (457 mm) D. 24 inches (610 mm)!"

" A potable ground water source or pump suction line must not be located less than ____________ feet from a farm silo. A. 25 B. 50 C. 100 D. 200!"

" What is the drainage fixture unit value for a 3 inch fixture drain. A. 2 B. 3 C. 4 D. 5 E. 6!"

"The maximum capacity of a water supply line to a water supply tank 195 gpm. What is the should the diameter size in inches for an acceptable overflow pipe? A. 3 B. 4 C. 5 D. 6!"

"The discharge piping serving a pressure relief valve, temperature relief valve or combination valve can: A. Not be directly connected to the drainage system. B. Not discharge through an air gap located in the same room than the water heater. C. Not be larger than the diameter of the outlet of the valve served and shall discharge full size to the air gap. D. Serve a single relief device and shall connect to piping serving all other relief device or equipment.!"

"A water closet, urinal, lavatory or bidet must not be set closer than 15 inches (381 mm) from its center to any side wall, partition, vanity or other obstruction, or closer than _________________ center-to-center between adjacent fixtures. A. 30 inches (762 mm) B. 15 inches (381 mm) C. 24 inches (608 mm) D. 36 inches (912 mm)!"

"The shower compartment access and egress opening must have a minimum clear and unobstructed finished width of _______________________. A. 22 inches (559 mm) B. 24 inches (610 mm) C. 28 inches (711 mm) D. 30 inches (762 mm)!"

"Water heaters using solid, liquid or gas fuel must not be installed in a room containing air-handling machinery when such room is used as a ________. A. utility room B. garage C. equipment room D. plenum!"

"Water supplied urinals must conform to the ____________ performance requirements of ASME A112.19.2/CSA B45.1 or CSA B45.5. A. hydraulic B. environmental C. carbon emissions D. condensation!"

"All devices, appurtenances, appliances and apparatus intended to serve some special function, such as sterilization, distillation, processing, cooling, or storage of ice or foods, and that connect to either the water supply or drainage system, must be provided with protection against ________________________ of the water supply system and stoppage of the drain. A. backflow contamination B. flooding contamination C. fouling, contamination D. All of these!"

"All plumbing systems, materials and appurtenances, both existing and new, and all parts thereof, must be maintained in proper operating condition in accordance with the ________________ in a safe and sanitary condition. A. new codes as they become law B. building official as he requires C. changes in requirements D. original design!"

"A potable ground water source or pump suction line must not be located less than ____________ feet from a septic tank. A. 100 B. 25 C. 50 D. 75!"

"Gravity sewer tests must consist of which of the following? A. plugging the end of the building sewer at the point of connection with the public sewer and applying a pressure of 5 psi (34.5 kPa) greater than the pump rating, and maintaining such pressure for 15 minutes. B. plugging the end of the building sewer at the point of connection with the public sewer and applying a pressure of 15 psi (34.5 kPa) greater than the pump rating, and maintaining such pressure for 60 minutes. C. plugging the end of the building sewer at the point of connection with the public sewer, filling the building sewer with water, testing with not less than a 10-foot (3048 mm) head of water and maintaining such pressure for 15 minutes. D. none of these!"

"Water closet bowls for public or employee toilet facilities must be of the ______________ type. A. elongated B. self cleaning type C. circular D. modified short!"

"The pressure-reducing valve must be designed to remain ________ to permit uninterrupted water flow in case of valve failure. A. closed B. open C. constant D. fixed!"

"What is the required minimum flow rate and flow pressure to be provided to a shower? A. Flow rate 2.5 gpm, Flow Pressure 8 psi B. Flow rate 3 gpm, Flow Pressure 8 psi C. Flow rate 4 gpm, Flow Pressure 8 psi D. Flow rate 5 gpm, Flow Pressure 8 psi!"

"Shower base liners must be pitched ______________________ and shall be sloped toward the fixture drains and be securely fastened to the waste outlet at the seepage entrance, making a water-tight joint between the liner and the outlet. A. one-eight unit vertical in 12 units horizontal (1-percent slope) B. one-fourth unit vertical in 12 units horizontal (2-percent slope) C. one-half unit vertical in 12 units horizontal (4-percent slope) D. none of these!"