WorksheetsMP F1 PPE3
Total questions: 131
Worksheet time: 1hrs 6mins
Shall be supported at every 1 m interval.
Plastic pipe
PVC pipe
Steel pipe
Lead pipe
In vertical piping ____ shall be supported at intervals not exceeding 1.20 m at center with a rigid vertical back up.
PVC pipe
Lead pipe
Steel pipe
G.I pipe
In prohibited fittings and under this rule, no drainage or ____ shall be drilled & tapped for making connections thereto.
Supply piping
Vent piping
Drainage piping
None of the above
No ____ shall be located in a room or compartment, which is not properly lighted & ventilated.
Catch
Lavatory
Bibb
Water closet
In grade horizontal piping, if it is impractical to obtain such slope due to the following condition except,
Structural and / or geological features of the terrain
Existing adverse in arrangements of building structure
Reasonable change because of existing weather
None of the above
May be used either for the collection of water without consideration of pressure, or for storing water under air pressure or under a static head for future distribution by pneumatic or gravity means. Materials are PVC, G.I., reinforced concrete, stainless steel or plain steel
Cistern tank
Water tank
Water dam
Coferdam
Are holes in the earth from which a fluid may be withdrawn using manual or mechanical means such as draw bucket, pump, etc.
Wells
Pits
Fox
None of the above
Which is not one of the components of plumbing?
Water supply distribution system
Sanitary drainage and disposal system
Storm drainage system
Electrical piping system
What is the best fixture for a public comfort room?
Gate valve
Flushometer
Faucet
None of the above
What can discharge directly to the sewer system?
Building sewer
Oil and grease
Ashes
None of the above
Water is sprayed into the air to release any trapped gases and absorb additional oxygen for better taste.
Aeration
Sedimentation
Chlorination
Filtration
Water is purified by ____. In various processes, so as to remove the particles of vegetable matter, mud and other particles of matter present in the water, most commonly used materials are sand and gravel.
Filtration
Purification
Sedimentation
None of the above
Water is passed through layers of sand and gravel in concrete basins in order to remove the finer suspended particles.
Coagulation
Flocculation
Sedimentation
Filtration
How do you measure the rainfall intensity?
in / hr
in / min
in / sec
In / day
What is the minimum size of water supply for water closet flush valve type?
½ in
1 in
1 ½ in
¾ in
How does the safety features of a service hot water system works?
Automatically
Electrically
Mechanically
Manually
What is the cause of object desirable taste and odor of water?
Mineral
Nitrogen
Oxygen
Algae
What is the recommended size of service pipe approved by MWSS for a 2 storey residential house?
1 ¼” (32 mm)
1” (25 mm)
½” (12 mm)
¾” (19 mm)
What is the fixture unit of 18 storey dormitory building with 6 bathroom group on every floor with class 2?
763
765
756
645
What is required when cast iron pipe and fittings of different sizes are to be joined or connected?
Gasket
Nipple
An increaser or reducer
Union patent
What is the size of downspout if the rainfall intensity is 100 mm if the deck roof is 435 mm2?
50 mm diam.
150 mm diam.
75 mm diam.
100 mm diam.
How many lavatory shall be installed in a school with 240 male students?
6
3
5
4
A pipe within the structure or on the premises which conveys water from the water service pipe or meter to the point of utilization.
Water distribution pipe
Water pipe
Riser
Water service pipe
This is less esthetic than aeration bur more certain oxidation process. It is commonly used in cooling tower treatment and in addition it has very wide range of treatment application.
Coagulation
Filtration
Disinfection
Ozonation
A plumbing fixture usually located in the operating room in a hospital to enable personnel to scrub their hands prior to a surgical procedure.
Slop sink
Scrub sink
Shower bath
Laundry tub
Each shower receptor shall be constructed to have a finished dam, curb or threshold of at least ____ lower that the outside floor.
25.4 mm
52.4 mm
24.5 mm
52 mm
A receptacle attached to a plumbing system other than a trap in which water or waste may be collected for ultimate discharge into the plumbing system.
Water closet
Fixture
Drainage system
Storm drainage
Minimum trap diameter for shower bath.
38 mm
32 mm
76 mm
51 mm
It is considered to be the most quiet, most efficient and most sanitary water closet.
Siphon jet
Siphon vortex
Reverse trap
Siphon washdown
Minimum trap diameter for laundry tub.
38 mm
32 mm
51 mm
76 mm
The least expensive but the noisiest water closet; only small amount of standing watersusceptible to fouling, staining and contamination.
Siphon jet
Siphon vortex
Siphon washdown
Siphon washdown
A small concrete receptacle between the septic tank and the drain field in which lines of drain tiles extends and which acts as surge tank to distribute the flow of sewage equally to each line of drain tiles.
Distribution box
Digestive cesspool
Domestic sewage
Drainage system
Brass pipe made from an alloy containing 85% ____ and 15% zinc and generally used in local branch lines and in alteration to match existing work.
Bronze pipe
Galvanized iron pipe
Copper pipe
Lead pipe
A pipe fitting, which is threaded on both the inside and the outside so that it can be used to connect two pipes (or other fittings) of different sizes.
Cap
Bushing
Adapter
Flange
Which of the following fitting is not recommended to be used in the change of direction in drainage line?
45⁰ wye branches
90⁰ elbow
Combination and 1/8 bend
Long sweep elbow
Roofdeck strainers shall have a total net inlet area less than ______ times the area of the outlet pipe to which the drain is connected.
1 ½
2
3
2 1/2
Gate valve used in drainage work having a 102 mm diameter or larger shall have _____ bodies.
Cast iron
Cast brass
Bronze
Galvanized iron
Water supply wells shall be located at lest ____ from building sewer.
10 m
12 m
15.2 m
20.5 m
In hospital wards, 1 bath tub or shower shall be provided per ________.
10 patients
15 patients
20 patients
30 patients
Vent opening shall terminate not less than _____ from any window, door or any opening.
1 m
0.9 m
3.0 m
0.3 m
The minimum slope required for 102 mm diameter pipe or larger drainage piping.
1%
2%
1.5%
None of the above
Which joint type is commonly used on galvanized steel pipe?
Soldered joint
Screwed joint
Welded joint
Solvent cement joint
Cleanout shall be provided at every ____ length or a fraction thereof.
15 m
10 m
20 m
15.2 m
Shower head used in private has _____ WSFU.
1
4
3
2
No building water service pipe shall be less than _____ in diameter.
19 mm
25 mm
1 in
½ in
Cast iron fitting up to and include 51 mm in size, when used in connection with potable water piping shall be ______.
Welded
Soldered
Galvanized
Anodized
All shower compartments shall have a minimum finished interior area ____ sq. m.
0.60
0.75
0.80
1.00
Drains in gutter in public shower rooms shall be spaced not more than _______ apart.
3.5 m
4.5 m
3.9 m
4.9 m
There shall be a minimum of ___ drinking fountains per occupied floor in schools, theater, auditoriums, dormitories, offices or public building.
1
2
3
4
For assembly places for public use, how many water closets are required if the capacity is 115 males?
4
3
2
5
One FU is equivalent to:
30 lpm
1 cu.m/min
1 cfm
25 lpm
Galvanized wrought iron or galvanized steel pipe shall not be used underground and shall be kept at least ____ above ground.
200 mm
312 mm
152 mm
225 mm
Water closets shall be computed as ____ fixture units when determining septic tank size.
4
5
6
8
What vent pipe installation in the building which has no connection whatsoever with the plumbing fixture.
Bleeder pipe
Ventilating pipe
Side vent
Exhaust pipe
The cold-water supply is delivered into the hot water tank by means of a boiler tube; this tube has a hole within 6 inches from the top of the tank, the purpose of which is to serve as:
Vacuum breaker
Ventilation
Inspection hole
Blow-off
The retention period or the time for which suspended matters in septic tank would settle and stabilize is:
24 hrs
12 hrs
18 hrs
30 hrs
A septic tank is water tight receptacle for which sewage is digested than a biological action mainly by microorganism such as:
Facultative
Aerobic bacteria
Anaerobic bacteria
Enzymes
It is a compartment in the septic tank for the settlement of floating or suspended matters, sand debris and any excessive amount of grease or oil from sewage.
Bathing chamber
Sedimentation chamber
Chlorination chamber
Sewage chamber
It is a loss of trap seal due to unequal atmospheric pressure condition and due to rapid flows of water thru the trap.
Wind effect
Capillary action
Siphonage
Back pressure
It is the arrangement of venting so installed that one vent will serve two traps. (common and dual vent)
Local vent
Unit vent
Wet vent
Relief vent
It is the pipe extension of a solid or waste stack above the highest horizontal drains connected to the stack.
VSTR
SVTR
Local vent
Relief vent
Crimping is a process of ____ pipe.
Jointing fitting to a pipe
Threading
Cutting
Removing
The space between the liquid level line to the inside top cover of septic tank is called:
Air space
Freeboard
Overflow
Ventilation space
What is the minimum allowed uniform gauge pressure in the piping system if an air test shall be made?
34.5 kPa
20 psi
17.7 psi
6 kPa
What is the minimum age requirement for an appointee to become a member of the Board of Master Plumbers?
Thirty five years old
Thirty two years old
Thirty years old
Twenty eight years old
Sleeves shall be provided to protect all piping through ____ and ____ walls.
concrete, masonry
ceiling, wooden
wood, concrete
floor, concrete
Hardness is another problem for water distribution because of Presence of magnesium and calcium salts, which can cause clogging of pipes impaired laundry and cooking, which is the best solution for this?
Chemical treatment
Boiling
Sedimentation
Aeration
Who is empowered to administer the provision of R.A. 1378?
President of the Philippines
The Board of Examiners for Master Plumber
Authority Having Jurisdiction
Administrative Authority
How many units do the controversial article 3.2.2.2. Of PD 1096 otherwise known as the national building code limits the practice of master plumber?
5
50
20
10
Fitting at the end of water service pipe?
gate valve
clean out
plug
cap
The top cover and the manhole of a septic tank usually extended above the surface of the ground to overcome surface water infiltration.
15 cm
10 cm
5 cm
20 cm
In a solvent-cemented plastic piping system, most leaking joints are caused by a worker’s failure to:
Mark all fitting and pipe for positioning
Deburr the inside of the pipe
Apply solvent primer to the joint surfaces
Cut the pipe in meter box
How does the safety feature of a service hot water system work?
Automatically
Manually
Electrically
Mechanically
Best location to put soil pipes?
Drywall
150 mm chb wall
Pipe chase
Box up with column
The jelly like substance being formed in the process of coagulation?
Scum
Sledge
Floe
alum
Size of manhole in a septic tank.
503 mm
508 mm
500 mm
600 mm
According to code, the drainage system or any part thereof shall NOT be covered until:
after a plumbing inspector has been called
it has been tested
it has been inspected
it has been approved
Polybutylene piping should never come into contact with the following:
Petroleum based materials
Caulk
Copper
Salty solution or Petroleum Jelly
What device prevents gas from entering a building?
Back flow preventer
P-Trap
Anti-siphon valve
None of the above
A pressure gauge on a non-pressurized holding tank reads 24.3 kPa. Find out how many meters of water are in the tank.
Depth= 2.48 m
Depth= 3.48 m
Depth= 1.48 m
Depth = 1.20m
Gray water that enters a collection reservoir must be_________.
Measured
Tasted
Filtered
Monitored
_____ means an accessible opening in a drain system used for the removal of obstructions.
Cleanout plug
Plumbing auger
Drain pipe
Cleanout
Water heaters, hose bibs, sill cocks are normally protected from backflow with________.
An air gap
An air break
An vacuum breaker
A reduced –pressure backflow preventer
What is the depth of the building sewer when installed?
1 m
0.3 m
0.65m
1.2m
How can you get to know the drainage system better?
Ask your plumber to draw you a diagram.
Examine the pipes under your house or in the basement.
Check it out on Google.
both a & c
______ means a pipe or channel outside a building which conveys storm water from the roof or gutter drains to a storm drain, storm sewer or to grade.
Leader
Adequate channel
Control measure
Major outfall
What is that term with reference to the load producing effect on the plumbing system for different kind of plumbing fixtures?
Flush tank volume
Demand load
Fixtures value
Fixture unit
Gray water is a type of waste water that comes from:
A. Toilets
B. Sinks, showers, and bathtubs
C. Toilets and garbage disposals
D. Gray water is a Water color
_____ means a method of venting 2 to 8 traps or trapped fixtures without providing an individual vent for each trap or fixture.
A. Circuit vent
B. Auto vent
C. Individual vent
D. Stack vent
_____ means a water closet, lavatory and a bathtub or shower located together on the same floor level.
Full bathroom
Bathroom group
Three-quarter bath
None of the above
A ____ inspection shall be made when the plumbing system is roughed−in and before fixtures are set.
Rough−in
First rough
Second rough
Final
_____ means an excavation which receives domestic wastewater by means of a drain system without pre-treatment of the wastewater and retains the organic matter and solids permitting the liquids to seep from the excavation.
Cesspool
Cistern
Privy
Holding tank
When flow controls are installed on gas piping, they_________.
Must be accessible
Must not contain sediment traps
Must be equipped with a backflow preventer
Are used to keep operating pressure lower than the supply pressure
HWT is a common abbreviation for a:
Water heater
Hot water faucet
Water holding tank
None of the above
The plumbing code is used to:
enforce the law
confuse the plumber
explain way plumbing installations may vary
None of the above
_____ means the accumulated floating solids generated during the biological, physical or chemical treatment, coagulation or sedimentation of wastewater.
Sludge
Slime
Scum
Sewage
This is used for basement or underground public restroom wherein a vent stack may not be possible to extend 3 meters above the ground, as it may constitute a hazard and is unsightly.
Relief Vent
Looped Vent
Local Vent
Utility Vent
______ means the portion of a pipe that is enlarged to receive the end of another pipe of the same diameter for the purpose of making a joint.
Bell
Drip pan elbow
Suction diffuser
Connector
Which of the following is considered to be the best method for connecting an indirect waste to a sanitary drainage system?
Air gap
Air break
Air force
Vulcanizing gap
______ means a type of sewage pump which macerates wastewater consisting in part of sewage.
Sewage pump
Sewage grinder pump
Effluent pump
Sump pump
The plumber shall have present the proper _____ for making the tests, and shall furnish such assistance as may be necessary in making the inspection.
Apparatus
Appliances
Tools
a and b
What is the color of PPR?
Green
Yellow
White
It depends to the manufacturer
How many eight bends are required to make a 45 deg. turn?
1
2
3
4
Upon completion of the plumbing installation and before ____ approval is given, the plumbing inspector shall inspect the work.
Final
Initial
Early
Pre
A man weighing 70 kg jumps on a raft with an area of 4 sq. meter that is floating on a fresh water lake. Find the rise of the raft.
2.5 cm
2.25 cm
1.75 cm
3.25 cm
Which of the fixture need to be provided with individual vent to avoid the transmittal or surge effect to other fixture trap connected to a branch drain:
Bathtub
laundry tray
kitchen tray
water closet
What are the most common causes of sink blockages?
toilet paper and air freshener
solidified detergents and toothpaste
grease and hair
both a & b
The drainage system in the building should be designed, constructed and maintained as to guard against fouling, deposits of solids and clogging. What feature should be provided to make the maintenance efficient and effective?
adequate cleanouts
adequate water seal traps
adequate vent pipes
adequate water supply
What is that valve recommended for installation that that call for throttling?
globe valve
gate valve
check valve
angle valve
A common heat source for indirect water heater.
Steam
Gas
Electricity
Oil
A 4” cast iron pipe with 1” insulation is to pass through a wall. How large a diameter hole is required to be cut?
5”
5.5”
6”
6.5”
What will be the best kind of pipe for underground drains within the building?
cement pipe
G.I. pipe
copper pipe
cast iron pipe
What is the color marking of copper tube for medical purposes?
Red and orange
Blue and Green
Yellow
None of the above
_______ means that portion of a drain system that consists of a series of pipes that transport water from one area to another without providing detention.
Corporation cock
Cross connection control assembly
Conveyance system
Cross connection
What degree of pressure is required to ensure smooth drainage?
low pressure
high pressure
not a matter of pressure
15 - 80 psi
The maximum spacing of horizontal hanger for 1/2 inch CPVC piping is,
1 foot
2 feet
3 feet
4 feet
What is the allowable distance between the trap arm and the vent if the fixture has a trap arm diameter of 32 mm?
1.52 m
0.76 m
What force would be exerted on the gate of a closed 6” gate valve if the water pressure acting on it measured 46 Psig.
867
1300
2604
5202
For a wall-hung urinal must be at least (from wall to urinal center).
10 inches
12 inches
15 inches
16 inches
What is a bridge in a plumbing system?
where one pipe crosses above another
trap valve
meeting point of the two subsystems
pipe under the bridge
A_________ is a artificial rod installed in a water heater to protect tank from corrosion.
dip tube
alpha rod
anode rod
insulation rod
In a modern efficient drainage system, is a sink trap really necessary?
Only when pipes of three inches or less are used.
It is essential.
It is necessary only when there is no sink filter.
Sink trap is not necessary.
Flowing stream of water has the tendency to purify itself. Which term is not applicable in purification?
Sedimentation
Infiltration
Dilution
Aeration
______ means a drain pipe serving as a receptor for the discharge wastes from indirect or local waste piping.
Stack
Spring line pipe
Spigot
Standpipe
A _______ is used to connect with galvanized pipe.
push fit connector
dielectric union
Coupling
Nipple
Copper pipes are sized
1/8 bigger than their inside diameter
1/4 bigger than their inside diameter
3/16 bigger than their inside diameter
1/16 bigger than their inside diameter
The two most common sizes of pipe wrenches used by plumbers today.
10" and 12“
12" and 18“
12" and 24“
18" and 24"
A sewer ditch is to be 148 feet long, the pipe is to be installed with a 2% grade. What would be the total amount of fall be?
24-5/8 in.
35-1/2 in.
46-1/4 in.
9-1/4 in.
When using a Hilti power actuated fastening tool, the device fails to fire when the trigger is pulled. The first thing you should do is?
keep the tool in position and wait 30 seconds
remove the cartridge
inspect the magazine
depress the trigger again
Use extreme water pressure so as not to affect existing foundation in the vicinity. It makes use of a suction pump above, while casing acts as the pump riser.
Bored well
Drilled well
Jetted well
Dug well
An air conditioner that discharges 0.063 L/s of condensate into a floor drain, would equate to how many fixture units?
1
2
3
4
