QUESTIONS AND SOLUTIONS RATED A+
✔✔Caulking - ✔✔Process of joining the joints and connections of cast iron pipes.
✔✔Motor Oil - ✔✔Type of oil used when threading GI pipes.
✔✔Centrifugal Pump - ✔✔Type of pump used for high-rise or mid-rise buildings, when
booster or piston pumps are unavailable or inadequate.
✔✔Piston Pump - ✔✔Type of pump used for residential or low-rise buildings, and
comes in single action, double action or twin.
✔✔Drum Trap - ✔✔Type of trap that is installed only in bathtubs.
✔✔Flushometer Valve - ✔✔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 - ✔✔Number of teeth per inch in a hacksaw blade used to cut GI pipes.
✔✔Looped Vent - ✔✔Type of vent used in an island counter type kitchen sink.
✔✔Trap Seal - ✔✔Maximum vertical depth of liquid that a trap can contain.
✔✔Sump Pit - ✔✔Type of detention pit usually found in basements, used to gather and
discharge waste water, sometimes with the help of a pump.
✔✔Standpipe - ✔✔Vertical pipe that is used for the storage of water, usually contains
pressure and is used for fire suppression.
✔✔Return Bend - ✔✔Type of pipe with a 180 degree bend.
✔✔2 - ✔✔Water Supply Fixture unit of a bath tub.
✔✔2 - ✔✔Water Supply Fixture unit of a shower
✔✔38 mm - ✔✔Diameter of pipe used for bath tub drum traps. (Max Fajardo, p. 172)
(mm)
✔✔38 mm - ✔✔Diameter of pipe used for wash basins / lavatories. (Max Fajardo, p.
172) (mm)
✔✔75 mm - ✔✔Diameter of pipe used for water closets. (Max Fajardo, p. 172) (mm)
,✔✔50 mm - ✔✔Diameter of pipe used for floor drains. (Max Fajardo, p. 172) (mm)
✔✔Bleeder - ✔✔Type of connection found in a looped vent, connecting the looped vent
pipe to the waste pipe.
✔✔50% - ✔✔Percentage required of liquid flow for a waste or soil pipe to have
adequate drainage or discharge.
✔✔Circuit Vent - ✔✔Type of vent that connects a battery of fixtures to a stack vent.
✔✔Privy - ✔✔A concrete sealed vault with a wooden shelter constructed for the
collection of raw sewage.
✔✔Cesspool - ✔✔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 - ✔✔A common problem in traps due to inadequate ventilation.
✔✔Unit Vent - ✔✔Type of vent that is shared by two fixtures of the same type.
✔✔Solvent System - ✔✔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 - ✔✔Formula for detention time of a tank
✔✔national master plumbers association of the philippines - ✔✔NAMPAP
✔✔shut off valve - ✔✔a gate valve normally used to shut off flow of water from supply
pipe
✔✔key cock - ✔✔a faucet normally turned 90 degrees to open or close
✔✔indirect system - ✔✔overhead tank water distribution system is a _____ system
✔✔jack pump - ✔✔pump normally used for farm purposes
✔✔centrifugal rotary - ✔✔pumps with turbines
✔✔building design
occupants
heating capacity - ✔✔things to consider when sizing the hot water tank
,✔✔4"? - ✔✔minimum house drain diameter
✔✔.5 - ✔✔pipe sleeves must be ___ x the size of a pipe they protect
✔✔lead - ✔✔cleanout plugs must be made of
✔✔2 - ✔✔minimum " for underground drainage pipe
✔✔100 - ✔✔temperature needed to be considered hot water ___ C
✔✔bedpan washer - ✔✔aka clinical sink
✔✔2 - ✔✔minimum water service connections for hospital
✔✔backflow prevention device - ✔✔sillcocks require a ____
✔✔private water source - ✔✔a well is considered mostly as a ____
✔✔6 - ✔✔maximum distance in ft a 2 in trap from its vent
✔✔.02 - ✔✔maximum allowable % for soldered connections with lead pipe joints
✔✔8 - ✔✔maximum allowable % for soldered connections with lead
✔✔12 - ✔✔minimum ' clearance infront of a cleanout
✔✔10 - ✔✔minimum ' clearance from a terminal and a window opening in a building
✔✔6 - ✔✔maximum pipe side diameter not needing an effing manhole
✔✔1" - ✔✔recommended size of MWSS for service pipe in 2 storey residential
✔✔3/4 - ✔✔minimum water supply size for flush valve urinal
✔✔1 - ✔✔minimum water supply pipe diameter size " for flushometer valve water closet
✔✔1/2 - ✔✔minimum water supply pipe diameter size " for water closet without
flushometer valve
✔✔potability - ✔✔first steps in selecting water source
✔✔residence - ✔✔class 1 type occupancy water supply
, ✔✔restricted use - ✔✔class 2 type occupancy water supply
✔✔unrestricted use - ✔✔class 3 type occupancy water supply
✔✔permanent temporary - ✔✔what makes up total hardness
✔✔greensand filtraiton - ✔✔treatment of wells for acidity
✔✔marblestone filtration - ✔✔treatment for waste water
✔✔whitesand filtration - ✔✔treatment for swimming pool treatment
✔✔algae - ✔✔cause of objectionable tastes and odor of water
✔✔service pipe - ✔✔pipe from the street water main to the building served
✔✔GV WM CV - ✔✔order of valves for water connection
✔✔building supply pipe - ✔✔pipe carrying potable water from the water meter to a
building or other point of use or distribution
✔✔fixture supply - ✔✔water supply pipe connecting the fixture with the fixture branch
✔✔unit vent - ✔✔vent installed so that one vent pipe serves two traps
✔✔circuit vent - ✔✔a group vent which starts infront of the extreme fixture connection
on a horizontal branch and connects to the vent stack
✔✔looped vent - ✔✔vent used for islands and lavatories away from the wall and vent
branch
✔✔pump circuit system - ✔✔system used to produce a more efficient circulation of hot
water to the upper floor levels of a multi storey building
circulation of hot water by means of mechanical device
✔✔zdownfeed & gravity return system - ✔✔system of where hot water rises on the the
highest point of the plumbing system and travels to the fixture via gravity
✔✔relief vent - ✔✔A vent to relieve the pressure ahead of moving effluent in a
horizontal fixture branch.