Questions with Guaranteed Pass
Solutions.
Sewage Ejector - Answer Type of pump that discharges waste in the sump pit and transfers
the waste to the house drain. (Max Fajardo)
503 mm - Answer Minimum dimension of a septic tank manhole.
Industrial drain - Answer drain that discharges objectionable waste such as acids and other
chemicals from industrial equipment .
75 mm - Answer Minimum diameter of pipe of any water closet.
3 - Answer Maximum number of water closets able to discharge into a shared 75mm
diameter horizontal soil branch
Combination Sewer - Answer Type of sewer that discharges both storm water and sewage
from households, rendered obsolete due to the health hazards it poses
Septic Tank - Answer Airtight receptacle used to expedite the decomposition of elements
contained in raw sewage, usually located 1.5 meters from the property line and 15.2 meters
from the water main or any potable water source. It is comprised of two chambers that contain
anaerobic bacteria that break down wastes.
Sedimentation - Answer Term defined as the settling down or separation of solid matter
suspended in a liquid.
1% - Answer Minimum slope or grade (in %) permitted with 100mm (4'') pipes.
Scum - Answer Lighter organic solid particles found in sewage, cesspools and septic tanks,
found floating on the liquid.
Sludge - Answer Term defined as the organic particles that have settled down in septic tanks,
cesspools or sewage.
900 mm - Answer Minimum WIDTH of a septic tank for residential dwellings. (mm)
,1500 mm - Answer Minimum LENGTH of a septic tank for residential dwellings. (mm)
1200 mm - Answer Minimum DEPTH of a septic tank for residential dwellings. (mm)
Hair - Answer Leading cause of pipe clogs in waste and soil pipes.
Drainage, Waste and Vent - Answer Definition of DWV
Acrylonitrile butadiene styrene - Answer Definition of ABS
Oval - Answer Cross sectional shape of the interior of Polybutene pipes (PB).
38 mm - Answer Minimum size of cleanouts. (mm)
Corporation Stop - Answer Type of valve found in the service main, used as a control of the
water service and shut off valve when service is disconnected.
Check Valve - Answer Type of valve used to prevent backflow or reversal of flow of water,
usually found after the water meter.
Union Patente - Answer Fitting used to describe the connection of the service pipe and
water meter. Usually used as the demarcation between the property of the water service and
water supply pipe system residential dwelling or building.
Booster Pump / Pneumatic Pump - Answer Type of pump used to distribute water within a
building or residence, when an upfeed system cannot provide adequate pressure to supply
fixtures with potable water.
Durham System - Answer Type of piping system that is characterized by threading and
connecting cast iron pipes in the building.
Teflon Tape - Answer Material used to fuse joints or connections of GI pipes.
Caulking - Answer Process of joining the joints and connections of cast iron pipes.
Motor Oil - Answer Type of oil used when threading GI pipes.
,Centrifugal Pump - Answer Type of pump used for high-rise or mid-rise buildings, when
booster or piston pumps are unavailable or inadequate.
Piston Pump - Answer Type of pump used for residential or low-rise buildings, and comes in
single action, double action or twin.
Drum Trap - Answer Type of trap that is installed only in bathtubs.
Flushometer Valve - Answer Type of flushing valve used in commercial water closets, usually
installed with a pressure tank that expels air pressure and a set amount of water when flushing.
14 - Answer Number of teeth per inch in a hacksaw blade used to cut GI pipes.
Looped Vent - Answer Type of vent used in an island counter type kitchen sink.
Trap Seal - Answer Maximum vertical depth of liquid that a trap can contain.
Sump Pit - Answer Type of detention pit usually found in basements, used to gather and
discharge waste water, sometimes with the help of a pump.
Standpipe - Answer Vertical pipe that is used for the storage of water, usually contains
pressure and is used for fire suppression.
Return Bend - Answer Type of pipe with a 180 degree bend.
2 - Answer Water Supply Fixture unit of a bath tub.
2 - Answer Water Supply Fixture unit of a shower
38 mm - Answer Diameter of pipe used for bath tub drum traps. (Max Fajardo, p. 172) (mm)
38 mm - Answer Diameter of pipe used for wash basins / lavatories. (Max Fajardo, p. 172)
(mm)
75 mm - Answer Diameter of pipe used for water closets. (Max Fajardo, p. 172) (mm)
50 mm - Answer Diameter of pipe used for floor drains. (Max Fajardo, p. 172) (mm)
, Bleeder - Answer Type of connection found in a looped vent, connecting the looped vent
pipe to the waste pipe.
50% - Answer Percentage required of liquid flow for a waste or soil pipe to have adequate
drainage or discharge.
Circuit Vent - Answer Type of vent that connects a battery of fixtures to a stack vent.
Privy - Answer A concrete sealed vault with a wooden shelter constructed for the collection
of raw sewage.
Cesspool - Answer Hole in the ground curbed with stones, bricks, CHB or other materials to
allow raw contaminated sewage to leach into the ground.
Trap Seal Loss - Answer A common problem in traps due to inadequate ventilation.
Unit Vent - Answer Type of vent that is shared by two fixtures of the same type.
Solvent System - Answer Type of system used in plumbing that eliminates the vent stack,
relying of downward pressure and suction.
The waste and sewage discharges form slug-like (bullet) pressings or pressure.
volume/flow rate - Answer Formula for detention time of a tank
national master plumbers association of the philippines - Answer NAMPAP
shut off valve - Answer a gate valve normally used to shut off flow of water from supply pipe
key cock - Answer a faucet normally turned 90 degrees to open or close
indirect system - Answer overhead tank water distribution system is a _____ system
jack pump - Answer pump normally used for farm purposes