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prepared by:
jeremiah sunga queddeng
architect + consultant + project manager
master plumber + academe

A self-closing basin faucet needs how many psi
(pressure) to be efficient
8
10
12
15

Minimum NPS of fixture supply pipe for toilet
3/8
½
5/8
¾

Minimum NPS of fixture supply pipe for shower
3/8
1/2
5/8
¾

Minimum NPS of fixture supply pipe for kitchen
sink
½
¼
3/8
1/8


Minimum NPS of fixture supply pipe for
bathtub
¼
3/8
1/2
5/8

Minimum NPS of fixture supply pipe for bidet
3/8
¼
½
5/8

Which is not a plumbing pipe?
Polyvinylidene Flouride (PVDF)
Cross-linked (PEX)
PPRC
None of the above

Copper tubing used for interior, above ground
application including air conditioning,
heating, steam, gas and oil
Type K
Type L
Type M
None of the above

Another type of copper plumbing pipe and
tubing besides the Drawn type
Seamed
Annealed
Tempered
All of the above

1 cubic foot of water contains
7.48 gals
8.33 liters
7.5 gals
1.2 liters

1 DFU contains
7.40 gals
8.33 liters
7.5 gals
1.2 liters

If you are to repair the water service line for a
block of houses in a subdivision, the point of
shut-off will be at the

Corporation stop
Curb stop
Water meters of individual houses
Any where

A fitting that closes an end of a pipe, for
maintenance purposes

Plug
Cap
Bushing
Adaptor

Which does not have a ferrule?
Cleanout
P-trap
End of pipe
None of the above

A Top-spud water closet has a

Gravity tank
Flushometer
Close-coupled tank
Energy-saving component

A method of ventilation used in fixtures which
are located in the room away from partitions

Back-vent
Local vent
Loop vent
Looped vent


Direct flush water closets has a

Flush valve
Sensor-type flushing
Ball valve
All of the above


Wall hung lavatory mounting height from the
FFL

24”
32”
36”
48”

Which is good design for plumbing pipes
roughing-in?

Exposed for maintenance
Hidden inside ceiling plenum
Hung under the slab soffit
What ever!

Which faucet has a high air gap?
Vessel
Center-set
Single lever
None of the above

1/8 bend elbow

45 degree
60 degree
90 degree
180 degree

Which plumbing pipe is not recently being
used?

CIP
Copper
Brass
None of the above


A triangular pipe support

Bracket
Brace
Seat
Corbel

Which of the following pipe material is not
joined by solvent welding?
CPVC
PE
uPVC
None of the above

What is the principal purpose of a plumbing
valve?

Isolation or shut-off
Regulate pressure
Check backflow
Control of fluid direction

How do you connect PPRC (polypropylene
random co-polymer)
solvent cement
fusion welding
coupling
mechanical fastener


What fitting is used to change direction of
water
sanitary tee
wye
valve
elbow

In reference to the plumbing layout CSD
prepared by the designer, a 100mm diameter
pipe will pass through a beam, what must be
done?
change location
change size
add reinforcement
nothing

If all valves are open at the same time, in what
part of the piping system has the greatest
pressure?
Underground
Uniform
At the vertical
At the horizontal

You are inspecting the roughing-in of pipes. You
saw that there is a crack on top of a pipe.
What should you do?
Cover it with the same material
Cover with epoxy
Replace it with new pipe
Add reinforcement


Minimum distance of a pendant sprinkler head
from a wall

2”
3”
4”
6”
A dry pipe fire protection system with air in
pipes, and with water flow controlled by a
valve operated by separate heat and smoke
detection devices that are more sensitive than
those in the sprinkler heads.
Wet-pipe system
Dry-pipe system
Deluge sprinkler system
Pre-action system
A house with an up-feed and gravity water
distribution system, where is the pressure
highest?
2
nd
floor
Underground
Ground Floor
Outside

A house with a direct up-feed water
distribution system, where is the pressure
highest?
2
nd
floor
Underground
Ground Floor
Outside

To achieve economy in design, where will
downspouts best be located?
Rear portion of the building
Sides of the building
At the center of Building
At perimeter wall

Septic vault in CHB construction must have an
interior finish in:

Smooth plastered finish
Vitrified tile finish
Rough plastered finish
Open joint finish
Reinforced concrete septic vault must have an
interior finish in:
Smooth plastered finish
Vitrified tile finish
Off-the-form finish
Open joint finish
construction methodology of a septic vault

Laying of chb then slab on grade,
plastering;then suspended slab
Slab on fill then chb laying, plastering (rough)
then suspended slab
Suspended slab then chb laying then slab on fill
What ever, tae lang meron dyan.
what is the minimum pipe sleeve
50mm
25mm
64mm
100mm
What is the minimum pipe sleeve for 64mm
diameter upvc pipe
64mm
75mm
100mm
40mm
Waste pipe and vent pipe is identified by what?
Color
Smell
Odor
Size
Which of the following does not have a P-trap
Water closet
Kitchen sink
Floor drain
Laundry tray
Which of the following has an integral trap?
Water closet
Kitchen sink
Floor drain
Laundry tray

Who undertakes the roughing-in of plumbing
pipes
Sanitary engineer
Master plumber
Plumber
Architectri
DWV system
Drainage Waste Vent
Drain Waste Vent
Drainage Waste Ventilation
Drain Waste Ventilation
Disadvantage of plastic pipes
May require more access points for joint repair
High cost
Not strong in tension
Require more work when jointing
Technical term for the banging of plumbing
pipes
Water hammer
Water break
Water rattle
Water slam
Also known as service sinks
Slop sinks
Laundry tray
Kitchen sinks
basin
Maximum mounting height of toilet grab bars
32”
36”
42”
48”
Maximum mounting height of tissue paper
holder
12”
19”
28”
No need for tissue paper, diskarte na lang
Which is not a fitting
¼ bend elbow
Closet elbow
Coupling
Stack base
uPVC pipes are manufactured in
Schedule 40 & 60
Schedule 40 & 80
Schedule 60 & 80
Schedule 60 & 70
Size of dry standpipe which is 20-23m away
from the fire department connection
102mm diameter
153mm diameter
64mm diameter
90mm diamater

Size of wet standpipe which is 10-15m away
from the fire department connection
51mm diameter
38mm diameter
64mm diameter
90mm diamater

Size of dry standpipe which is 23-30m away
from the fire department connection
102mm diameter
153mm diameter
64mm diameter
90mm diamater

Size of wet standpipe which is 15-23m away
from the fire department connection
51mm diameter
38mm diameter
64mm diameter
90mm diamater

Size in diameter of combination standpipe
64
150
51
120
the flow of water or other liquids, mixtures or
substances into the distributing pipes of a potable
supply of water from any source other than from its
intended source or the flow in the direction opposite
to the normal flow
Backflow
Backpressure backflow
Back-siphonage
Pollution
occurs due to an increased reverse pressure above the
supply pressure. This occurs when the pressure of
the non-potable system exceeds the positive
pressure in the water distribution lines; that is, the
water pressure within an establishment's plumbing
system exceeds that of the water distribution
system.
Backflow
Backpressure backflow
Back-siphonage
Contamination
the flowing back of used, contaminated or
polluted water from a plumbing fixture or
vessel into the water supply pipe due to a
negative pressure in such pipe
Backflow
Backpressure backflow
Back-siphonage
Contamination

a length of soil or waste stack corresponding in
general to a storey height, but in no case less than
2.43 meters within which the horizontal branches
from one floor or story of a building are connected
to the stack
Stack per floor
Branch interval
Riser
Main soil and waste stack
Type of test to check leaks in pipes
Hydrostatic
Hydraulic
Flood
All of the above

it is used to control or maintain the flow of
water to one direction only
check valve
gate valve
backflow preventer
Lift preventor

A term used for pumps which are
interconnected with each other
Backup
Series
Duplex
Battery
which plumbing fixture does not have a water-
saving feature?

flow limiting valve
1.5;gallon flush water closet
lavatory with pop-up
water less urinal



Galingan mo!
Panisin mo!
Good Luck!
God bless!

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