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問題一覧
1
Circulation of hot water by means of Mechanical Device
Pump Circuit System
2
Color code for pipeline used for electrical services
Orange
3
A gate valve normally used to shut off flow of water from supply pipe.
Shut off valve
4
It includes the discharge from latrine, urinals, bathroom, and kitchen
Sewage
5
Noisiest type of water closest
Washdown
6
Pipe carrying potable water from the water meter to the building
Building supply
7
Horizontal drainage piping shall run at a uniform slope of not less than
2 %
8
A drain that allows drainage through parapet wall
Scupper drain
9
Maximum number of water closets for one horizontal 3" soil pipe
3
10
Type of vent used in an island counter type kitchen sink
Looped vent
11
Cast iron pipe shall not be joined by
Brazing
12
Yoke vent is required every
5 floors
13
Minimum size of fire hose outlet of an interior wet standpipe
38 mm
14
Fitting used to describe the connection of the service pipe and water meter. Also used as the demarcation between the property of water service and water supply pipe system of the building
union patente
15
Type of valve used to prevent backflow or reversal of the flow of water
Check Valve
16
Type of vent that connects a battery of fixtures to a stack vent
Loop vent
17
It is a return bend of small-sized pipe, one end of which is about 30 cm long and the other end is about 7.5 cm long
gooseneck
18
Type of backflow prevention device approved for back pressure and back siphonage
Double Check Valve
19
Applied to a specific disease when it normally prevails in locality and does not fluctuate markedly from the normal expected emergence of community
Endemic
20
Vent installed so that one vent pipe serves two traps
Unit vent
21
Highest part of the inside of any pipe
Crown
22
Type of pump used to distribute water within a building when an upfeed system cannot provide adequate pressure to supply the fixtures
Pneumatic pump
23
Minimum distance between manholes
300'
24
Temperature at which water vapor forms above liquid fuel
Flash point
25
Maximum vertical depth of liquid that trap can contain
Trap seal
26
The maximum temperature of water discharging under pressure directly into the drainage system
140 F
27
Required when cast-iron pipe and fittings of different sizes are to be joined
Increaser or Reducer
28
1 psi is equivalent to a water head of
2.31 ft
29
Incidence of a communicable disease among a number of people that is recognized statistically as being well beyond the normal expectancy
Epidemic
30
The only flexible plastic tubing suitable for use with hot and cold water pressure
Polybutylene (PB)
31
Class 2 type occupancy water supply
Restricted use
32
A process used to make a water-tight or gas-tight seal in a joint using a mastic compound. It involves plugging an opening with oakum, lead, or other materials
Caulking
33
An oil tank is 3m long, 3m wide and 2m high, when it is full of coconut oil (sg = 0.90), find the downward force at the bottom of the tank.
16,200 kg
34
This applies to the occurrence of few scattered case of the disease
Sporadic
35
It carries waste other than fecal matter
Waste Drainage System
36
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
Flushometer valve
37
Faucet normally turned 90 degrees to open or close
Key cock
38
Minimum length of a septic tank for residential dwellings
1.5 m
39
Commercial length of GI Pipe
6 m
40
Fitting screwed or caulked over the end of a pipe for closing pipe e
Cap
41
Type of connection found in a looped vent, connecting the looped vent pipe to the waste pipe
Bleeder
42
Minimum width of a septic tank for residential dwellings
0.9 m
43
Minimum depth of a septic tank for residential dwellings
0.6 m
44
The lighter organic solid particles found in sewage, cesspools and septic tanks found floating on the liquid
Scum
45
Revised Fire Code of the Philippines of 2008
RA 9514
46
Lowest part of the inside face of any pipe
Invert
47
An airtight receptacle used to expedite the decomposition of elements contained in a raw sewage
Septic Tank
48
A conduit installed to remove water from the roof
Roof drain
49
House sewer is part of the plumbing system which extends ____ from the foundation of the wall of the building
0.6 meters
50
Type of vent that connects a battery of fixtures to a vent stack
Circuit vent
51
Minimum needed supply pressure for flush tank
8 psi
52
Defines as settling down or separation of solid matter suspended in a liquid
Sedimentation
53
A pipe support used for a single run of pipe in vertical position
Clamp
54
A vent used to relieve the pressure ahead of moving effluent in a horizontal fixture branch
Relief vent
55
Hole in the ground curbed with stones or bricks that allow raw sewage to leach in the ground
Cesspool
56
A pipe support used for multiple runs of pipe in horizontal position
Bracket
57
Pipe from the street water main to the building served
Service pipe
58
A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in the stack
Yoke vent
59
System where hot water rises on the highest point of the system and travels to the fixture via gravity
Downfeed and Gravity Return System
60
Type of piping system that is characterized by threading and connecting cast iron pipes in the building
Durham System
61
Type of pipe with 180 degree bend
return bend
62
Water supply connecting the fixture with the fixture branch
Fixture supply
63
Minimum diameter of a house sewer
6"
64
Overhead tank water distribution system is a
Gravity
65
What is the prescribed color coding of piping under Steam Division of a high pressure pipe?
White
66
Common problem in traps due to inadequate ventilation
Trap seal loss
67
Fixture trap shall have a liquid seal of not less than
2 in
68
Minimum weight of copper allowed to use for underground and above drainage and vent piping
Type DWV
69
A pipe which carries ground and surface waters, storm water or waste water
Drain
70
Maximum length of nipple
12"
71
Except for the plastic pipe, in lieu of water test, drainage piping may be tested with
air
72
It checks or prevents reversal of flow
Check valve
73
Closet bends or stubs shall be cut off so as to present a smooth surface even with the
Top of the closet ring
74
Part of a storm water drainage that collect storm water run-off and separate any debris or settleable matter
Catch basin
75
Cause of objectionable tastes and odor of water
Algae
76
It is when the disease affects a large number of people at the same time and transcends community boundaries
Pandemic
77
With a few exception, all horizontal drainage piping shall be provided with a cleanout at
its upper terminal
78
Water supply fixture unit of a shower in a resort
4
79
Type of system used in plumbing that eliminates the vent stack, relying of downward pressure and suction
Sovent System
80
System used to produce a more effective circulation of hot water to the upper floor levels of a multi-story building
Pump Circuit System
81
It is defined as the organic particles that have settled down in septic tank.
Sludge
82
The oldest brand of Porcelain Kitchen Sink
American Standard
83
Vent used for island sinks away from the wall
Looped vent
84
Vertical pipe that is used for the storage of water, usually contains pressure for fire suppression
Standpipe
85
A concrete sealed vault with a wooden shelter constructed for the collection of raw sewage
Privy
86
Minimum needed supply pressure for flushometer
15 psi
87
How many lavatories shall be installed in a elementary school with 240 male student
7
88
Plumbing permit shall expire if the plumbing work is not commenced within
365 days
89
Which of the following is measured on its outside diameter?
PPR
90
Type of valve found on the service main, used to control the water service
Corporation Stop
91
Class 3 type occupancy water supply
Unrestricted use
92
Class 1 type occupancy water supply
Residence
93
Water supply fixture unit of a bath tub in residential dwelling
2
94
According to PNSDW, the recommended pH range for drinking water is
6-8
95
The vertical distance between a fixture outlet and the trap weir shall not exceed
24 in
96
A receptacle designed to collect surface water or rainwater from a calculated open area
Area drain
97
What is the size of downspout if the rainfall intensity is 100mm if the deck roof is 435 sq.m.
100 mm
98
A part of a piping system other than main, riser, or stack
Branch
99
Maximum number of water closets for one vertical 3" soil pipe
4
100
Clean-outs shall be designed to be
gastight and watertight