The Upfeed System normally utilizes water pressure directly from the ________., Overhead tank, Public water main, Booster pump, Pneumatic tank, The upfeed system is generally recommended for ________., High-rise buildings, Low-rise buildings, Industrial plants only, Underground structures, The air pressure (pneumatic tank) system is commonly used when ________., Water pressure is excessive, Normal water pressure cannot reach upper floors, Only hot water is supplied, Gravity flow is available, The downfeed system supplies water by gravity from ________., Underground reservoirs, Booster pumps, Overhead tanks, Pressure tanks, Which hot water distribution system is commonly used in small residential houses?, Pump circuit system, Up-feed and gravity return system, Overhead feed and gravity return system, Reverse return system, In the Up-feed and Gravity Return System, the larger hot-water pipe is installed at the, Roof, Bottom of the riser, Top floor, Mechanical room ceiling, The Overhead Feed and Gravity Return System is synonymous with the ________., Upfeed system, Downfeed system, Pneumatic system, Pump circuit system, The Overhead Feed and Gravity Return System is most suitable for ________., Bungalows, Moderate-rise buildings, High-rise buildings, Temporary structures, In the Overhead Feed and Gravity Return System, the larger pipe is installed at the, Bottom of the riser, Top of the riser, Basement, Water heater outlet, The Pump Circuit System is used where ________., Gravity circulation is sufficient, Natural circulation of hot water is difficult, Cold water is unavailable, Water pressure is excessive, The type of pump commonly used in a pump circuit system., Gear pump, Reciprocating pump, Centrifugal pump, Diaphragm pump, The typical diameter of a storage tank ranges from ________., 15–30 cm, 30–60 cm, 60–130 cm, 130–180 cm, The maximum typical length of a storage tank is ________., 180 cm, 3 meters, 5 meters, 10 meters, The diameter of a range boiler generally ranges from ________., 10–20 cm, 30–60 cm, C. 60–130 cm, D. 100–150 cm, The maximum length of a range boiler is approximately ________., 60 cm, 120 cm, 180 cm, 300 cm, Which component protects an electric water heater from excessive internal pressure?, Drain valve, Dip tube, Temperature and pressure relief valve, Heating element, The component that minimizes heat loss from the tank is the ________., Dip tube, Drain valve, Insulation, Thermostat, The sacrificial component used to reduce corrosion inside a water heater tank is the ________., Heating element, Dip tube, Anticorrosion anode, Overflow pipe, The function of the dip tube in an electric water heater is to ________., Drain the tank, Heat the water, Deliver incoming cold water to the bottom of the tank, Release excess pressure, Which component controls the operation of the heating elements in an electric water heater?, Dip tube, Pressure relief valve, Thermostat, Overflow pipe, Which of the following is NOT a cold water distribution system?, Upfeed system, Downfeed system, Pneumatic tank system, Range boiler system, Which hot water distribution system relies on a centrifugal pump to circulate hot water continuously?, Up-feed and gravity return, Overhead feed and gravity return, Pump circuit system, Downfeed system, Where is the temperature-pressure relief valve installed?, Bottom of the tank, Side of the tank, Top of the hot-water heater, Cold-water inlet, The anticorrosion anode rod is commonly made of ________., Copper, Steel, Magnesium or aluminum, Brass, The shut-off valve is used to ________., Empty the tank for maintenance or sediment removal, Control gas pressure, Stop water from entering the water heater, Vent excess pressure, The drain valve is provided to ________., Regulate temperature, Stop water from entering the water heater, Empty the tank for maintenance or sediment removal, Increase water pressure, The estimated hot water consumption for hotels is approximately ________ gallons per person per hour., 2–3, 4–5, 4–6, 8–10, The estimated hot water consumption for office buildings is ________ gallons per person per hour., 2–3, 4–5, 6–8, 8–10, The average working load of hot water systems for schools, offices, and industrial buildings is ________., 15%, 25%, 35%, 50%, The average working load of hot water systems for apartments and residences is ________., 25%, 35%, 50%, 75%, The average working load of hot water systems for hotels and restaurants is ________., 25%, 35%, 50%, 75%, The minimum diameter of a piping outlet for a gas appliance is ________., 3/8 inch, 1/2 inch, 3/4 inch, 1 inch, Which material is approved as plastic gas piping under the NFPA 58 Liquefied Petroleum Gas Code?, PVC, CPVC, Polyethylene (PE) and Polyamide, ABS, Medical gas tubing is manufactured from ________., PVC tubing, Stainless steel tubing, Type K or L drawn copper tube, Brass tubing, Medical gas tubing commonly comes in ________., Red or yellow, Black or gray, Green or blue, White or orange, Which gas vent is suitable only for listed draft-hood equipped gas-fired appliances?, Type C, Type BW, Type B, Type BH, Which gas vent is specifically designed for gas-fired wall furnaces or recessed heaters?, Type B, Type BW, Type BH, Type L, Which gas vent is intended for gas appliances producing flue gases up to 245°C (Class II)?, Type BW, Type L, Type BH, Type C, Which gas vent is approved for oil-fired and natural gas appliances producing flue gases that do not exceed 570°F (299°C)?, Type B, Type BW, Type L, Type C, Which gas vent is used only as a connector and only for venting gas or oil?, Type B, Type BH, Type L, Type C

SPDI - Water Distribution System | Gas Pipes

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