PC PB
Question list
1
The first Chief of the Division of Plumbing Construction and Inspection.
John F. Hass
2
Which is true about solvent cement?
They are made from flammable liquids.
3
The following are allowable water tank materials for fire protection, except _____.
high-density polyurethane
4
Air gap is strictly needed for all these appliances. Which of the following appliances require less attention to air gap?
washing machine
5
How much is the annual plumbing inspection fees for 3 plumbing units?
180 pesos
6
Which pipe material should be supported every storey with each storey height no more than 15 ft?
Cast Iron
7
In plumbing systems, a tank that operates at atmospheric pressure is commonly referred to as _____.
Gravity Tank
8
Drainage piping serving fixture which have flood level rim located below the elevation of the street sewer shall be protected from backflow by providing a _____.
backwater valve
9
The vertical clearance of Water pipes crossing sewer or drainage piping constructed of clay or materials, not approved for use within a building to above the sewer or drainpipe.
0.3 m
10
What is considered a rainfall event?
1 mm of rainfall within 24 hrs
11
The reliable method for measuring and cutting galvanized steelpipe.
face to face
12
The layer of organic materials accumulating in the form of a mat on the surface of the filter as the liquid passes through it.
Schmutzdecke
13
What is a common early sign of a hidden pipe leak in walls?
Mold growth or damp spot in walls
14
What is the maximum distance between the fixture trap and the vent in roughing-in for a lavatory that is to have a 1-1/4" drain?
2.5 ft
15
Which is not a weakness of aluminum pipe?
rusting
16
A 2" branch serves 6 lavatories in a school. What might this installation imply?
the pipe has insufficient discharge capacity
17
Elevated or gravity storage tank shall be vented with a return bend vent pipe having an area not less than the area of this pipe.
down feed riser pipe
18
The following are three basic necessities of life, except _____.
Shelter
19
Fixtures that also serve as a wet vent should not exceed _____.
4 fixtures
20
Among the choices, identify which one is a weak acid.
Yogurt
21
This is the test on joints and connections of pipes and fittings in the plumbing system required to ensure gastight and watertight connections
Pressure Test
22
A cleanout shall be provided near the base of each vertical drain stack and located not less than _____ above the lowest flood level rim of the fixtures served on that level.
6"
23
NAMPAP prepared a Curriculum for Plumbing Engineering that was approved by the Department of Education and was first introduced at _____.
Feati University
24
What is the maximum surface temperature that will not hurt if you touch the surface?
49° C
25
Flange joints need _____ of rubber, cork, composition, sheet metal or other materials.
Gasket
26
A registered Master Plumber shall maintain a/an _____, consistent with an honorable and dignified pursuit of his/her profession.
professional bearing
27
Water piping systems are designed considering potential fluctuations in pressure based on the _____.
minimum pressure
28
The distance interval of the supports for horizontal copper tubing sized 38 mm and smaller in diameter.
1.8 m
29
The maximum distance a gas shutoff valve may be from a gas appliance (except for range and dryer connectors) is _____.
6 feet
30
Which valve or fitting yields to the least pressure loss?
Ball valve
31
Which of the following systems need the least additional water volume?
wet pipe system
32
Recommended when the length of a pipe needed is more than 150 cm long wherein cutting is not necessary
Single Hub
33
What should be the solution if a pressure tank turns on and off repeatedly while using the faucet?
inspect the condition of air cushion
34
What is the primary purpose of a cut-off wall?
To reduce seepage beneath hydraulic structures
35
Includes all the pipings within public or private premises which convey sewage or other liquid wastes to a legal point of disposal but does not include the mains of a public sewer system or a public sewage treatment or disposal plant.
Drainage System
36
For buildings with a crawl space of less than 18 inches clear height, or where a stack cleanout would not be accessible from within the building, the cleanout may be installed not more than _____ outside the building wall.
5 ft
37
All premises intended for human habitation, occupancy, or use shall be provided with a supply of _____ and _____ water neither connectd with unsafe water supplies not subject to hazards of backflow or back-siphonage.
pure; wholesome
38
For second degree burns, what is the acceptable contact times for industrial processes?
5 seconds
39
What is the DFU of a bathroom group with 1.6 gpf water closet?
5
40
To reduce dependence on motorized systems to supply and distribute potable or non-potable water within the building, thus help reduce energy consumption, overhead or elevated water storage systems are used, provided there’s a ____ fire reserve over and above the average daily demand supply.
20%
41
It is a drain consists of a running trap installed under the basement floor to protect it from freezing.
Area Drain
42
The provision of lavatory for Secondary Schools
1:35 male, 1:35 female
43
Telephone fixtures with a cord at least _____ long are recommended for use in showers and bath-tubs.
1.5 m
44
The _____ shall be responsible for the maintenance of plumbing systems.
Owner or owner's agent
45
What is an allowed air test pressure for drainage and vent systems?
34.5 kPa
46
What type of PVC female screws for water piping is prohibited under the code?
job-fabricated
47
How many threads per inch does a cleanout size of 1 1/2"" have?
11 1/2 TPI
48
What is the purpose of a vertical pipe support?
To support the weight of the pipe
49
Which of the following is not a typical method of well rehabilitation?
gravel pack installation
50
Aerobic bacteria can survive in the subsoil not more than _____ below the surface.
150 cm
51
Potable water can be used as makeup water to a rainwater storage tank, as long as _____ is provided.
air gap
52
According to RNPCP, one trap may serve a set of not more than _____.
3 laundry tubs
53
How is cross-connection control typically achieved in a high-rise building to prevent contamination of the potable water supply?
By installing RPZ assemblies at critical points
54
In an assembly occupancy, 6 water closets and 7 urinals are the minimum required for males. The developer installed 3 additional urinals in excess of the minimum required. Considering that the developer can deduct the number of water closets, what will be the final count of the fixtures?
4 Water Closet; 10 Urinals
55
Extension of partitions or baffles between compartments above the liquid level of a septic tank
101.6 mm
56
All pipings, fixtures and equipment shall be adequately anchored or supported to the _____.
satisfaction of the Administrative Authority
57
In 2019, the World Health Assembly (WHA) approved WHA Resolution 72.7, making a global call for action for Member States, including the Philippines to improve ________________, which stands for WASH. What does WASH mean?
Water, Sanitation, and Hygiene
58
The normal force exerted by a homogenous liquid or has per unit of area on the wall of the container.
Pressure
59
How much is the installation if you install additional 1 water closet, 1 lavatory, and 1 shower head on top of a plumbing unit?
40 pesos
60
It is a box-like collection device which is located on the exterior of the building and receives storm water on one side?
Scupper
61
This is the function of a diverter feature in a tub spout.
divert water to the shower head
62
In threading pipes, you'll use the die-carrying part of the threading. What do you call this part?
stock
63
All of the following fire extinguishers are obsolete, except _____.
multipurpose dry chemical
64
A pipe that is connected at the downstream of the first fixture to the vent stack.
Yoke Vent
65
An adjustable wrench:
has an adjustable smooth jaw
66
ASTM F656 recommends that the PVC primer be _____.
purple
67
The VSTR shall be increased by how many pipe sizes above the reconnection point of stack vent and horizontal vent?
one pipe size
68
How many lavatories should be installed in an assembly place to serve 1000 female audience?
4
69
Which of the following best describes a volatile liquid?
lighter than water
70
A water meter that physically displaces the moving measuring element in direct relation to the amount of water that passes through. Its size ranges from ½” to 2”.
Positive Displacement Meter
71
Open pipe protruding above the surface of a liquid in a container, such as a distillation or absorption column or a toilet tank, to control the height of the liquid
overflow pipe
72
This involves monitoring the pressure decline within a well after a period of constant injection.
fall-off test
73
This is the capacity of the secondary chamber of a septic tank.
1/2 the volume of the primary chamber, 1/3 the volume of septic tank
74
What is the minimum water supply connection size for Water Closet- Flushometer Valve?
25 mm
75
The maximum distance between a water heater and union on the water lines.
12 inches
76
It shall not be directly connected to any part of a plumbing or drainage system.
steam pipe
77
Maximum trap loading for a 38 mm pipe
3
78
Pipe joints and tape shall only be applied on _____.
male threads
79
What kind of pipe in brewery plant is used to convey beer, spirit liquor, ale & distilled water?
Black Tin
80
A Master Plumber shall not directly or indirectly injure the professional _____, prospects, or practice of his fellow master plumbers.
reputation
81
Where disposal facilities are abandoned consequent to connecting any premises with the public sewer, the permittee making the connection shall fill all abandoned facilities as required by the Administrative Authority within ____.
30 days from the time of connection to the public sewer
82
Water pipes and building sewer, and storm drainage constructed in clay material or not approved material for use within a building shall not be run or laid in the ______.
same trench
83
Laundry equipment that does not have integral strainers shall discharge into an interceptor having a _____ or similar device.
wire basket
84
What is the total DFU for a residential bathroom with 1 Shower, 1 Floor Drain, 1 Lavatory, and 1 Water Closet?
9
85
The airgap for over rim bath fillers and other fixtures with effective openings not greater than 25 mm in diameter when not affected by side walls.
51 mm
86
What do you provide in piping subjected to varying temperatures?
expansion joints
87
It is defined as the heat or energy that is absorbed or released during a phase change of a substance
Latent Heat
88
The color coding for drainpipes manufactured with toxic component.
gray, orange, or brown
89
An approved-type grease trap may be used as a fixture outlet and the grease trap for a single fixture when the horizontal distance between the fixture outlet and the grease trap does not exceed _____ and the vertical tailpipe or drain does not exceed _____ meters.
1.2 m; 0.75 m
90
What is the minimum water supply connection size for bathtub?
13 mm
91
How can you differentiate soil pipe and waste pipe when laid side by side?
diameter
92
Gate valves sized ____ shall have cast brass or bronze bodies.
less than 102 mm
93
How many laundry tubs can a 2" vent pipe serve?
12
94
The maximum temperature of water that can be discharged under pressure directly into any part of a drainage system.
140 F
95
Unless it is connected to a combined sewer system, a roof drain does not have to be installed_____.
with a p-trap
96
Hanger rod size for 3" pipe size
10 mm
97
In NPT Pipe size 2-1/2", what is the approximate number of threads to be cut?
12
98
It is a colorless gas with offensive odor.
Hydrogen Sulfide
99
Distance of Private Property Line to Cesspool
2.4 m
100
The quality of drinking water from meteoric, surface, or underground sources shall conform to the criteria set in _____.
National Standards for Drinking Water
MT 4
MT 4
Anonymous · 60 questions · 2 mo agoMT 4
MT 4
60 questions • 2 mo agoAnonymous
MT 5
MT 5
Anonymous · 80 questions · 2 mo agoMT 5
MT 5
80 questions • 2 mo agoAnonymous
MT 6
MT 6
Anonymous · 49 questions · 1 mo agoMT 6
MT 6
49 questions • 1 mo agoAnonymous
MT 7
MT 7
Anonymous · 60 questions · 1 mo agoMT 7
MT 7
60 questions • 1 mo agoAnonymous
SP PB
SP PB
Anonymous · 100 questions · 29 d agoSP PB
SP PB
100 questions • 29 d agoAnonymous
PP PB
PP PB
Anonymous · 100 questions · 29 d agoPP PB
PP PB
100 questions • 29 d agoAnonymous
Question list
1
The first Chief of the Division of Plumbing Construction and Inspection.
John F. Hass
2
Which is true about solvent cement?
They are made from flammable liquids.
3
The following are allowable water tank materials for fire protection, except _____.
high-density polyurethane
4
Air gap is strictly needed for all these appliances. Which of the following appliances require less attention to air gap?
washing machine
5
How much is the annual plumbing inspection fees for 3 plumbing units?
180 pesos
6
Which pipe material should be supported every storey with each storey height no more than 15 ft?
Cast Iron
7
In plumbing systems, a tank that operates at atmospheric pressure is commonly referred to as _____.
Gravity Tank
8
Drainage piping serving fixture which have flood level rim located below the elevation of the street sewer shall be protected from backflow by providing a _____.
backwater valve
9
The vertical clearance of Water pipes crossing sewer or drainage piping constructed of clay or materials, not approved for use within a building to above the sewer or drainpipe.
0.3 m
10
What is considered a rainfall event?
1 mm of rainfall within 24 hrs
11
The reliable method for measuring and cutting galvanized steelpipe.
face to face
12
The layer of organic materials accumulating in the form of a mat on the surface of the filter as the liquid passes through it.
Schmutzdecke
13
What is a common early sign of a hidden pipe leak in walls?
Mold growth or damp spot in walls
14
What is the maximum distance between the fixture trap and the vent in roughing-in for a lavatory that is to have a 1-1/4" drain?
2.5 ft
15
Which is not a weakness of aluminum pipe?
rusting
16
A 2" branch serves 6 lavatories in a school. What might this installation imply?
the pipe has insufficient discharge capacity
17
Elevated or gravity storage tank shall be vented with a return bend vent pipe having an area not less than the area of this pipe.
down feed riser pipe
18
The following are three basic necessities of life, except _____.
Shelter
19
Fixtures that also serve as a wet vent should not exceed _____.
4 fixtures
20
Among the choices, identify which one is a weak acid.
Yogurt
21
This is the test on joints and connections of pipes and fittings in the plumbing system required to ensure gastight and watertight connections
Pressure Test
22
A cleanout shall be provided near the base of each vertical drain stack and located not less than _____ above the lowest flood level rim of the fixtures served on that level.
6"
23
NAMPAP prepared a Curriculum for Plumbing Engineering that was approved by the Department of Education and was first introduced at _____.
Feati University
24
What is the maximum surface temperature that will not hurt if you touch the surface?
49° C
25
Flange joints need _____ of rubber, cork, composition, sheet metal or other materials.
Gasket
26
A registered Master Plumber shall maintain a/an _____, consistent with an honorable and dignified pursuit of his/her profession.
professional bearing
27
Water piping systems are designed considering potential fluctuations in pressure based on the _____.
minimum pressure
28
The distance interval of the supports for horizontal copper tubing sized 38 mm and smaller in diameter.
1.8 m
29
The maximum distance a gas shutoff valve may be from a gas appliance (except for range and dryer connectors) is _____.
6 feet
30
Which valve or fitting yields to the least pressure loss?
Ball valve
31
Which of the following systems need the least additional water volume?
wet pipe system
32
Recommended when the length of a pipe needed is more than 150 cm long wherein cutting is not necessary
Single Hub
33
What should be the solution if a pressure tank turns on and off repeatedly while using the faucet?
inspect the condition of air cushion
34
What is the primary purpose of a cut-off wall?
To reduce seepage beneath hydraulic structures
35
Includes all the pipings within public or private premises which convey sewage or other liquid wastes to a legal point of disposal but does not include the mains of a public sewer system or a public sewage treatment or disposal plant.
Drainage System
36
For buildings with a crawl space of less than 18 inches clear height, or where a stack cleanout would not be accessible from within the building, the cleanout may be installed not more than _____ outside the building wall.
5 ft
37
All premises intended for human habitation, occupancy, or use shall be provided with a supply of _____ and _____ water neither connectd with unsafe water supplies not subject to hazards of backflow or back-siphonage.
pure; wholesome
38
For second degree burns, what is the acceptable contact times for industrial processes?
5 seconds
39
What is the DFU of a bathroom group with 1.6 gpf water closet?
5
40
To reduce dependence on motorized systems to supply and distribute potable or non-potable water within the building, thus help reduce energy consumption, overhead or elevated water storage systems are used, provided there’s a ____ fire reserve over and above the average daily demand supply.
20%
41
It is a drain consists of a running trap installed under the basement floor to protect it from freezing.
Area Drain
42
The provision of lavatory for Secondary Schools
1:35 male, 1:35 female
43
Telephone fixtures with a cord at least _____ long are recommended for use in showers and bath-tubs.
1.5 m
44
The _____ shall be responsible for the maintenance of plumbing systems.
Owner or owner's agent
45
What is an allowed air test pressure for drainage and vent systems?
34.5 kPa
46
What type of PVC female screws for water piping is prohibited under the code?
job-fabricated
47
How many threads per inch does a cleanout size of 1 1/2"" have?
11 1/2 TPI
48
What is the purpose of a vertical pipe support?
To support the weight of the pipe
49
Which of the following is not a typical method of well rehabilitation?
gravel pack installation
50
Aerobic bacteria can survive in the subsoil not more than _____ below the surface.
150 cm
51
Potable water can be used as makeup water to a rainwater storage tank, as long as _____ is provided.
air gap
52
According to RNPCP, one trap may serve a set of not more than _____.
3 laundry tubs
53
How is cross-connection control typically achieved in a high-rise building to prevent contamination of the potable water supply?
By installing RPZ assemblies at critical points
54
In an assembly occupancy, 6 water closets and 7 urinals are the minimum required for males. The developer installed 3 additional urinals in excess of the minimum required. Considering that the developer can deduct the number of water closets, what will be the final count of the fixtures?
4 Water Closet; 10 Urinals
55
Extension of partitions or baffles between compartments above the liquid level of a septic tank
101.6 mm
56
All pipings, fixtures and equipment shall be adequately anchored or supported to the _____.
satisfaction of the Administrative Authority
57
In 2019, the World Health Assembly (WHA) approved WHA Resolution 72.7, making a global call for action for Member States, including the Philippines to improve ________________, which stands for WASH. What does WASH mean?
Water, Sanitation, and Hygiene
58
The normal force exerted by a homogenous liquid or has per unit of area on the wall of the container.
Pressure
59
How much is the installation if you install additional 1 water closet, 1 lavatory, and 1 shower head on top of a plumbing unit?
40 pesos
60
It is a box-like collection device which is located on the exterior of the building and receives storm water on one side?
Scupper
61
This is the function of a diverter feature in a tub spout.
divert water to the shower head
62
In threading pipes, you'll use the die-carrying part of the threading. What do you call this part?
stock
63
All of the following fire extinguishers are obsolete, except _____.
multipurpose dry chemical
64
A pipe that is connected at the downstream of the first fixture to the vent stack.
Yoke Vent
65
An adjustable wrench:
has an adjustable smooth jaw
66
ASTM F656 recommends that the PVC primer be _____.
purple
67
The VSTR shall be increased by how many pipe sizes above the reconnection point of stack vent and horizontal vent?
one pipe size
68
How many lavatories should be installed in an assembly place to serve 1000 female audience?
4
69
Which of the following best describes a volatile liquid?
lighter than water
70
A water meter that physically displaces the moving measuring element in direct relation to the amount of water that passes through. Its size ranges from ½” to 2”.
Positive Displacement Meter
71
Open pipe protruding above the surface of a liquid in a container, such as a distillation or absorption column or a toilet tank, to control the height of the liquid
overflow pipe
72
This involves monitoring the pressure decline within a well after a period of constant injection.
fall-off test
73
This is the capacity of the secondary chamber of a septic tank.
1/2 the volume of the primary chamber, 1/3 the volume of septic tank
74
What is the minimum water supply connection size for Water Closet- Flushometer Valve?
25 mm
75
The maximum distance between a water heater and union on the water lines.
12 inches
76
It shall not be directly connected to any part of a plumbing or drainage system.
steam pipe
77
Maximum trap loading for a 38 mm pipe
3
78
Pipe joints and tape shall only be applied on _____.
male threads
79
What kind of pipe in brewery plant is used to convey beer, spirit liquor, ale & distilled water?
Black Tin
80
A Master Plumber shall not directly or indirectly injure the professional _____, prospects, or practice of his fellow master plumbers.
reputation
81
Where disposal facilities are abandoned consequent to connecting any premises with the public sewer, the permittee making the connection shall fill all abandoned facilities as required by the Administrative Authority within ____.
30 days from the time of connection to the public sewer
82
Water pipes and building sewer, and storm drainage constructed in clay material or not approved material for use within a building shall not be run or laid in the ______.
same trench
83
Laundry equipment that does not have integral strainers shall discharge into an interceptor having a _____ or similar device.
wire basket
84
What is the total DFU for a residential bathroom with 1 Shower, 1 Floor Drain, 1 Lavatory, and 1 Water Closet?
9
85
The airgap for over rim bath fillers and other fixtures with effective openings not greater than 25 mm in diameter when not affected by side walls.
51 mm
86
What do you provide in piping subjected to varying temperatures?
expansion joints
87
It is defined as the heat or energy that is absorbed or released during a phase change of a substance
Latent Heat
88
The color coding for drainpipes manufactured with toxic component.
gray, orange, or brown
89
An approved-type grease trap may be used as a fixture outlet and the grease trap for a single fixture when the horizontal distance between the fixture outlet and the grease trap does not exceed _____ and the vertical tailpipe or drain does not exceed _____ meters.
1.2 m; 0.75 m
90
What is the minimum water supply connection size for bathtub?
13 mm
91
How can you differentiate soil pipe and waste pipe when laid side by side?
diameter
92
Gate valves sized ____ shall have cast brass or bronze bodies.
less than 102 mm
93
How many laundry tubs can a 2" vent pipe serve?
12
94
The maximum temperature of water that can be discharged under pressure directly into any part of a drainage system.
140 F
95
Unless it is connected to a combined sewer system, a roof drain does not have to be installed_____.
with a p-trap
96
Hanger rod size for 3" pipe size
10 mm
97
In NPT Pipe size 2-1/2", what is the approximate number of threads to be cut?
12
98
It is a colorless gas with offensive odor.
Hydrogen Sulfide
99
Distance of Private Property Line to Cesspool
2.4 m
100
The quality of drinking water from meteoric, surface, or underground sources shall conform to the criteria set in _____.
National Standards for Drinking Water