National Plumbing Code Of The Philippines, Revised Edition (1999)
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Questions and Answers
- 1.
Also known as the RA 9275
- A.
Water Code of the Philippines
- B.
National Building Code of the Philippines
- C.
Philippine Clean Water Act of 2004
- D.
Code on Sanitation of the Philippines
Correct Answer
C. Philippine Clean Water Act of 2004Explanation
The correct answer is the Philippine Clean Water Act of 2004. This act, also known as RA 9275, is a law in the Philippines that aims to protect and improve the quality of the country's water resources. It sets guidelines and regulations for the prevention and control of water pollution, as well as the promotion of sustainable water management practices. The act also establishes penalties for individuals or organizations that violate its provisions.Rate this question:
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- 2.
R.A. 1378
- A.
National Building Code
- B.
National Plumbing Code
- C.
National Fire Code
- D.
National Water Code
Correct Answer
B. National Plumbing CodeExplanation
The National Plumbing Code is the correct answer because it is a specific code that regulates the design, installation, and maintenance of plumbing systems in buildings. It ensures that the plumbing systems are safe, efficient, and meet the necessary standards. The other options listed, such as the National Building Code, National Fire Code, and National Water Code, are also important codes related to construction and safety, but they do not specifically focus on plumbing systems like the National Plumbing Code does.Rate this question:
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- 3.
The _____________, or most well known to be the Code on Sanitation, was promulgated by the late President Ferdinand Marcos on December 23, 1975.
- A.
Presidential Decree No. 856
- B.
Presidential Decree No. 854
- C.
Presidential Decree No. 756
- D.
Presidential Decree No. 656
Correct Answer
A. Presidential Decree No. 856Explanation
The correct answer is Presidential Decree No. 856. This decree, also known as the Code on Sanitation, was promulgated by President Ferdinand Marcos on December 23, 1975. It is a significant piece of legislation that aims to ensure public health and safety by establishing standards and regulations for sanitation practices.Rate this question:
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- 4.
Known as the Water Code of the Philippines
- A.
RA 1080
- B.
PD 1067
- C.
RA 1037
- D.
PD 856
Correct Answer
B. PD 1067Explanation
PD 1067 is the correct answer because it is known as the Water Code of the Philippines. This code was enacted to provide a comprehensive framework for the management, development, and conservation of water resources in the country. It covers various aspects such as water rights, water quality, water supply, and water pollution control. PD 1067 plays a crucial role in ensuring sustainable water management practices and protecting the water resources of the Philippines.Rate this question:
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- 5.
The Revised National Plumbing Code of the Philippines was approved on
- A.
June 18, 1955
- B.
January 28, 1959
- C.
November 28, 1967
- D.
December 21, 1999
Correct Answer
D. December 21, 1999Explanation
The Revised National Plumbing Code of the Philippines was approved on December 21, 1999.Rate this question:
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- 6.
NAMPAP was organized and registered to SEC
- A.
1954
- B.
1955
- C.
1935
- D.
1999
Correct Answer
C. 1935 -
- 7.
How many provision of the Master Plumber Code of Ethics
- A.
9
- B.
6
- C.
5
- D.
7
Correct Answer
D. 7Explanation
The correct answer is 7. The question asks for the number of provisions in the Master Plumber Code of Ethics. Therefore, the correct answer is 7, indicating that there are 7 provisions in the code.Rate this question:
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- 8.
Also known as the RA 9275
- A.
Water Code of the Philippines
- B.
National Building Code of the Philippines
- C.
Philippine Clean Water Act of 2004
- D.
Code on Sanitation of the Philippines
Correct Answer
C. Philippine Clean Water Act of 2004Explanation
The correct answer is Philippine Clean Water Act of 2004. This act, also known as RA 9275, is a law in the Philippines that aims to protect and conserve the country's water resources. It provides guidelines and regulations for the prevention, control, and abatement of water pollution. The act also establishes the framework for the sustainable management of water resources and the protection of water quality. It addresses various aspects of water pollution, including industrial and domestic wastewater, solid waste management, and water quality monitoring. This law is an important tool in ensuring the cleanliness and sustainability of the Philippines' water sources.Rate this question:
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- 9.
How many set of plans return to the applicant after approval of permit?
- A.
6
- B.
1
- C.
2
- D.
4
Correct Answer
C. 2Explanation
After the approval of a permit, the applicant receives two sets of plans.Rate this question:
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- 10.
Manila City Ordinance ____, the “Plumbing Code of the City of Manila” was enacted and placed under the Department of Public Services, Manila
- A.
2431
- B.
2421
- C.
2411
- D.
2461
Correct Answer
C. 2411 -
- 11.
In 1954, the Third Congress approved House Bill No. 962 which in _____________ became ________ “Plumbing Law of the Philippines” upon ratification of President Ramon Magsaysay
- A.
June 18, 1955/RA 1378
- B.
January 28, 1959/RA 1348
- C.
July 26, 1957 /PD 567
- D.
November 28, 1975/ PD 167
Correct Answer
A. June 18, 1955/RA 1378Explanation
In 1954, the Third Congress approved House Bill No. 962 which eventually became the "Plumbing Law of the Philippines" upon ratification by President Ramon Magsaysay. The correct answer is June 18, 1955/RA 1378, as this date corresponds to the ratification of the law.Rate this question:
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- 12.
The National Plumbing Code of the Philippines prepared by NAMPAP was promulgated and approved by Malacañang
- A.
June 18, 1955
- B.
January 28, 1959
- C.
July 26, 1957
- D.
November 28, 1975
Correct Answer
B. January 28, 1959Explanation
The correct answer is January 28, 1959. This date represents when the National Plumbing Code of the Philippines, which was prepared by NAMPAP (National Master Plumbers Association of the Philippines), was officially promulgated and approved by Malacañang.Rate this question:
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- 13.
How many set of plans retain to the jobsite after approval of permit
- A.
4
- B.
3
- C.
2
- D.
1
Correct Answer
D. 1Explanation
After the approval of a permit, only one set of plans is typically retained at the jobsite. This set of plans serves as a reference for the construction team and inspectors to ensure that the project is being carried out according to the approved plans. The other sets of plans may be returned to the architect or owner for record-keeping purposes or for future reference.Rate this question:
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- 14.
How many set of plans retain to the Administrative Authority after approval of permit
- A.
4
- B.
3
- C.
2
- D.
1
Correct Answer
D. 1Explanation
After the approval of a permit, only one set of plans is retained by the Administrative Authority. This is likely done for record-keeping purposes and to ensure that there is a reference copy available for any future inspections or inquiries. Keeping multiple sets of plans may lead to confusion or discrepancies, so it is standard practice to retain just one set.Rate this question:
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- 15.
The first amendment of the National Plumbing Code which includes Asbestos-Cement pipe as approved plumbing materials was
- A.
June 18, 1955
- B.
December 21, 1999
- C.
November 28, 1967
- D.
January 28, 1959
Correct Answer
C. November 28, 1967Explanation
The correct answer is November 28, 1967. This is the date when the first amendment of the National Plumbing Code was implemented, which included Asbestos-Cement pipe as approved plumbing materials.Rate this question:
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- 16.
Known as the National Building Code of the Philipppines
- A.
R.A. No. 6541
- B.
R.A. No. 1378
- C.
R.A. No. 962
- D.
R.A. No. 2411
Correct Answer
A. R.A. No. 6541Explanation
R.A. No. 6541 is the correct answer because it is known as the National Building Code of the Philippines. This law sets the standards and regulations for the design, construction, and occupancy of buildings in the country. It aims to ensure the safety and welfare of the public by providing guidelines for building materials, structural design, fire protection, electrical systems, and other aspects of construction. R.A. No. 1378, R.A. No. 962, and R.A. No. 2411 are not related to building codes and do not pertain to the National Building Code of the Philippines.Rate this question:
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- 17.
How many basic principles are there in the NPC?
- A.
19
- B.
22
- C.
7
- D.
15
Correct Answer
B. 22Explanation
There are 22 basic principles in the NPC.Rate this question:
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- 18.
R.A. 1378
- A.
National Building Code
- B.
National Plumbing Code
- C.
National Fire Code
- D.
National Water Code
Correct Answer
B. National Plumbing CodeExplanation
The National Plumbing Code is the correct answer because it is a specific code that deals with the regulations and standards for plumbing systems in buildings. The other options are also related to building codes, but they focus on different aspects such as construction, fire safety, and water management. Therefore, the National Plumbing Code is the most relevant choice in this context.Rate this question:
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- 19.
Plans and specifications shall be submitted in ___ sets of the aforementioned requirements with each application for a permit.
- A.
2
- B.
4
- C.
6
- D.
8
Correct Answer
C. 6Explanation
The correct answer is 6 because when submitting plans and specifications for a permit application, it is required to provide a sufficient number of sets for review and distribution to the relevant parties involved in the approval process. Having 6 sets ensures that there are enough copies for all necessary parties to review and assess the plans.Rate this question:
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- 20.
When the Administrative Authority issues the permit he shall endorse in writing or stamp the plans and specifications as " ______________".
- A.
COMPLETED
- B.
VERIFIED
- C.
APPROVED
- D.
SUBMITTED
Correct Answer
C. APPROVEDExplanation
When the Administrative Authority issues the permit, they need to indicate their endorsement of the plans and specifications. The word "APPROVED" is commonly used in this context to indicate that the plans and specifications have met the necessary requirements and are authorized for implementation.Rate this question:
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- 21.
How many set(s) of approved plans, specifications and data shall be returned to the Owner?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2Explanation
Two sets of approved plans, specifications, and data shall be returned to the Owner. This ensures that the Owner has a complete record of the approved plans and specifications for future reference and use. Having two sets allows the Owner to keep one set for their records and use the other set for any necessary approvals or inspections.Rate this question:
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- 22.
A plumbing permit issued shall expire and become null and void if the plumbing work authorized therein is not commenced within _______ from the date of such permit.
- A.
6 months
- B.
2 years
- C.
10 months
- D.
1 year
Correct Answer
D. 1 yearExplanation
If a plumbing permit is issued, it will expire and become invalid if the plumbing work authorized by the permit is not started within one year from the date of the permit. This means that the permit holder has a maximum of one year to begin the plumbing work; otherwise, they will need to apply for a new permit.Rate this question:
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- 23.
A plumbing permit issued shall expire and become null and void if the plumbing work authorized is suspended or abandoned at any time after having been commenced for a period of _________.
- A.
30 days
- B.
60 days
- C.
120 days
- D.
160 days
Correct Answer
C. 120 daysExplanation
If plumbing work authorized by a plumbing permit is suspended or abandoned after it has been started for a period of 120 days, the permit will expire and become null and void. This means that if the plumbing work is not completed within 120 days, the permit will no longer be valid and the work will need to be reauthorized or a new permit obtained.Rate this question:
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- 24.
In case of renewal of a plumbing permit, a fee equivalent to _______________ shall be paid.
- A.
Half the amount of the original fee
- B.
Equal to the amount of the original fee
- C.
Twice the amount of the original fee
- D.
Thrice the amount of the original fee
Correct Answer
A. Half the amount of the original feeExplanation
In the case of renewal of a plumbing permit, the fee that needs to be paid is half the amount of the original fee. This means that the renewal fee is only half of what was paid initially for the permit.Rate this question:
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- 25.
The Administrative Authority requires that every request for inspection be filed at least ______________ before such inspection is intended.
- A.
1 week
- B.
5 working days
- C.
3 working days
- D.
1 working day
Correct Answer
C. 3 working daysExplanation
The Administrative Authority requires that every request for inspection be filed at least 3 working days before such inspection is intended. This means that individuals or organizations must submit their request for inspection at least 3 working days in advance in order to allow sufficient time for the administrative authority to process and schedule the inspection. Filing the request within this timeframe ensures that the authority has enough time to make the necessary arrangements and accommodate the inspection request.Rate this question:
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- 26.
Horizontal drainage pipes 102 mm or larger in diameter may have a slope of _________ provided it is first approved by the Administrative Authority.
- A.
10 mm/m or 1%
- B.
20 mm/m or 2%
- C.
30 mm/m or 3%
- D.
40 mm/m or 4%
Correct Answer
A. 10 mm/m or 1%Explanation
Horizontal drainage pipes with a diameter of 102 mm or larger may have a slope of 10 mm/m or 1% if it is first approved by the Administrative Authority. This means that for every 1 meter of pipe length, the pipe can have a downward slope of 10 mm or 1%. This slope allows for proper drainage and flow of wastewater or other fluids through the pipe. The approval by the Administrative Authority ensures that the slope meets the required standards and regulations for effective drainage.Rate this question:
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- 27.
Changes in direction of drainage piping shall be made by the use of approved pipe fitting and shall be of the angles presented by a _____________.
- A.
45 degree bend, 90 degree bend or other approved fittings of longer sweeps
- B.
22 1/2 degree, 45 degree bend or other approved fittings of shorter sweeps
- C.
22 1/2 degree, 45 degree, 60 degree bend or other approved fittings of longer sweeps
- D.
60 degree, 90 degree bend or other approved fittings of longer sweeps
Correct Answer
C. 22 1/2 degree, 45 degree, 60 degree bend or other approved fittings of longer sweepsExplanation
The correct answer is 22 1/2 degree, 45 degree, 60 degree bend or other approved fittings of longer sweeps. This means that when making changes in direction of drainage piping, it is necessary to use pipe fittings that have angles of 22 1/2 degrees, 45 degrees, or 60 degrees, or other fittings that have longer sweeps. Longer sweeps refer to fittings that have a gentler curve, allowing for smoother flow of water and preventing clogs or blockages in the drainage system.Rate this question:
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- 28.
Horizontal drainage lines connecting to a vertical stack shall enter through
- A.
45 degree, wye, sanitary tee or other approved fittings of longer sweeps
- B.
45 deg. or 60 deg. wye , combination wye & 1/8, sanitary tee or other approved fittings of longer sweeps
- C.
45 deg. or 60 deg. wye , combination wye & 1/8, sanitary tee or other approved fittings of shorter sweeps
- D.
90 degree bend, wye & 1/8, sanitary tee or other approved fittings of shorter sweep
Correct Answer
B. 45 deg. or 60 deg. wye , combination wye & 1/8, sanitary tee or other approved fittings of longer sweepsExplanation
The correct answer is 45 deg. or 60 deg. wye, combination wye & 1/8, sanitary tee or other approved fittings of longer sweeps. This is because horizontal drainage lines should enter the vertical stack at an angle of 45 degrees or 60 degrees to ensure proper flow and prevent clogging. The combination wye & 1/8 fitting allows for a smooth transition from the horizontal line to the vertical stack. The sanitary tee or other approved fittings of longer sweeps help to maintain the flow and prevent blockages in the drainage system.Rate this question:
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- 29.
Horizontal drainage lines connecting to other horizontal drainage shall enter through
- A.
45 degree, wye, sanitary tee or other approved fittings of longer sweeps
- B.
45 deg. or 60 deg. wye , combination wye & 1/8 or other approved fittings of longer sweeps
- C.
45 deg. or 60 deg. wye , combination wye & 1/8 or other approved fittings of shorter sweeps
- D.
45 deg. wye, combination wye & 1/8 or other approved fittings of longer sweeps
Correct Answer
D. 45 deg. wye, combination wye & 1/8 or other approved fittings of longer sweepsExplanation
The correct answer is 45 deg. wye, combination wye & 1/8 or other approved fittings of longer sweeps. This is because horizontal drainage lines need to connect to other horizontal drainage lines in a smooth manner to ensure proper flow of wastewater. The 45 degree wye fitting allows for a gradual change in direction, reducing the likelihood of clogs or blockages. The combination wye and 1/8 fitting further helps to maintain a smooth flow by providing a gradual transition between different pipe sizes. The longer sweeps on these fittings also help to minimize turbulence and maintain the velocity of the wastewater.Rate this question:
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- 30.
Vertical drainage lines connecting to horizontal drainage shall enter through
- A.
45 degree branches or other approved fittings of longer sweeps ; 60 degree when installed in a true vertical position
- B.
60 degree branches or other approved fittings of longer sweeps; 45 degree when installed in a true vertical position
- C.
22 1/2 degree branches or other approved fittings of longer sweeps; 60 degree when installed in a true vertical position
- D.
90 degree branches or other approved fittings of longer sweeps 45 degree when installed in a true vertical position
Correct Answer
A. 45 degree branches or other approved fittings of longer sweeps ; 60 degree when installed in a true vertical positionExplanation
Vertical drainage lines connecting to horizontal drainage should enter through 45 degree branches or other approved fittings of longer sweeps. However, when these branches or fittings are installed in a true vertical position, they should be at a 60 degree angle. This ensures proper flow and prevents clogging or blockages in the drainage system.Rate this question:
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- 31.
When a Public or Private Sewer is not available for use, excreta drainage piping from buildings and premises shall be connected to an approved ___________.
- A.
Public Sewage Disposal System
- B.
Private Sewage Disposal System
- C.
Sanitary Sewage Disposal System
- D.
None of the above
Correct Answer
B. Private Sewage Disposal SystemExplanation
When a public or private sewer is not available for use, excreta drainage piping from buildings and premises should be connected to an approved private sewage disposal system. This system is designed to safely and effectively dispose of sewage from individual buildings or premises when there is no access to a public sewer. It ensures proper sanitation and prevents the contamination of the environment. The other options, such as public sewage disposal system or sanitary sewage disposal system, may not be applicable in this scenario as they require the presence of a public or private sewer.Rate this question:
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- 32.
Rainwater drains shall discharge outside of the building or to the ____________.
- A.
Soil Pipe
- B.
Water PIpe
- C.
Vent PIpe
- D.
Gutter
Correct Answer
D. GutterExplanation
Rainwater drains are designed to collect and remove rainwater from the building. The drains can either discharge the water outside of the building or direct it to a gutter. A gutter is a channel or trough that collects the rainwater and directs it away from the building. This ensures that the rainwater does not accumulate near the foundation of the building, which could cause water damage or flooding. Therefore, the correct answer is gutter.Rate this question:
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- 33.
Which of the statement is unlawful ?
- A.
All designs and constructions and workmanships shall be in conformity with accepted engineering practices
- B.
Conceal cracks or holes or other imperfection in materials
- C.
No double hub fitting for lead caulked joint in vertical position
- D.
No cast iron pipe shall be threaded
Correct Answer
B. Conceal cracks or holes or other imperfection in materialsExplanation
The statement "Conceal cracks or holes or other imperfection in materials" is unlawful because it promotes hiding or covering up defects in materials, which goes against accepted engineering practices. It is important to identify and address any imperfections in materials to ensure the safety and integrity of the design and construction.Rate this question:
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- 34.
What is the exception in having an independent system for two buildings?
- A.
If one building stands side by side of another building
- B.
If one building stands in the front of another building
- C.
If one building stands in the rear of another building
- D.
If one building stands in the 2 meters away of another building
Correct Answer
C. If one building stands in the rear of another buildingExplanation
Having an independent system for two buildings is not an exception if one building stands in the rear of another building. The location of the buildings, whether they are side by side, in the front, or 2 meters away from each other, does not affect the need for an independent system. An independent system is necessary to ensure that each building has its own infrastructure and utilities, such as electricity, water, and HVAC systems. Therefore, the correct answer is that there is no exception in having an independent system for two buildings, regardless of their relative positions.Rate this question:
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- 35.
All pipings passing under or through walls shall be protected from breakage with embedded _________________.
- A.
Metal Pipe sleeves
- B.
Plastic Pipe sleeves
- C.
Pipe support
- D.
Clevis hanger
Correct Answer
A. Metal Pipe sleevesExplanation
Pipings passing under or through walls can be vulnerable to breakage due to various factors such as pressure, movement, or external forces. To protect them from potential damage, metal pipe sleeves are embedded around the pipings. These sleeves act as a protective barrier, providing reinforcement and preventing breakage. Metal pipe sleeves are stronger and more durable compared to plastic sleeves, making them the ideal choice for this purpose. Pipe support and clevis hangers may provide additional support but may not necessarily protect the pipings from breakage.Rate this question:
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- 36.
All pipings passing under or through walls shall be protected from breakage with embedded _________________.
- A.
Metal Pipe sleeves
- B.
Plastic Pipe sleeves
- C.
Pipe support
- D.
Clevis hanger
Correct Answer
A. Metal Pipe sleevesExplanation
Pipings passing under or through walls are susceptible to breakage due to various factors such as movement or shifting of the walls. Metal pipe sleeves provide protection to the pipings by acting as a barrier between the pipes and the walls. These sleeves are embedded within the walls, creating a secure and durable support system for the pipes. Plastic pipe sleeves may not offer the same level of protection and strength as metal sleeves. Pipe support and clevis hangers may provide support but may not necessarily protect the pipes from breakage.Rate this question:
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- 37.
Building sewer shall be installed under or within ________ of any building structure.
- A.
0.2 m
- B.
0.4 m
- C.
0.6 m
- D.
0.8 m
Correct Answer
C. 0.6 mExplanation
Building sewers should be installed under or within 0.6 m of any building structure. This distance ensures that the sewer is properly connected to the building and allows for easy access and maintenance. Installing the sewer too far away from the building structure can cause difficulties in connecting the pipes and may result in inefficient drainage. Conversely, installing the sewer too close to the building structure can pose a risk of damage to the foundation or structure itself. Therefore, a distance of 0.6 m is considered the appropriate range for installing building sewers.Rate this question:
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- 38.
Building sewer shall be installed under or within 0.6 m of any building structure nor less than __________ below the finish ground surface.
- A.
0.1 m
- B.
0.2 m
- C.
0.3 m
- D.
0.4 m
Correct Answer
C. 0.3 mExplanation
The building sewer should be installed at a minimum depth of 0.3 m below the finish ground surface. This is important to ensure that the sewer line is adequately protected and not susceptible to damage from external factors such as excavation or heavy loads. Installing the sewer at this depth also helps to prevent any potential blockages or obstructions from affecting the building structure. Therefore, it is necessary to adhere to this requirement during the installation process.Rate this question:
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- 39.
Cast Iron Soil Pipe shall be supported vertically at ______________ or closer.
- A.
Every 5 meters
- B.
Every storey
- C.
Every 4 meters
- D.
Every 2 storey
Correct Answer
B. Every storeyExplanation
Cast Iron Soil Pipe shall be supported vertically at every storey or closer. This means that the pipe should be supported at each floor level or at a distance that is shorter than the height of each floor. This is important to ensure proper stability and support for the pipe, preventing any potential damage or failure due to the weight of the pipe and the contents it carries. By supporting the pipe at every storey, it helps to distribute the load evenly and maintain the integrity of the system.Rate this question:
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- 40.
Copper tubing shall be supported vertically at each storey or at maximum of ______________ on center.
- A.
3 meters
- B.
2 meters
- C.
1 meter
- D.
0.5 meter
Correct Answer
A. 3 metersExplanation
Copper tubing should be supported vertically at each storey or at a maximum distance of 3 meters on center. This means that at every floor or level, the copper tubing should be supported either directly or with a maximum gap of 3 meters between each support. This is important to ensure that the tubing remains stable and does not sag or bend under its own weight. Proper support is necessary to prevent any damage or leaks in the tubing system.Rate this question:
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- 41.
Lead pipe shall be supported vertically at intervals not exceeding __________ at centers with a rigid vertical back up.
- A.
3.2 meters
- B.
1.2 meters
- C.
10.2 meters
- D.
2.2 meters
Correct Answer
B. 1.2 metersExplanation
Lead pipe should be supported vertically at intervals not exceeding 1.2 meters at centers with a rigid vertical backup. This means that there should be a support every 1.2 meters along the length of the pipe to ensure that it is properly held in place and does not sag or become damaged. The rigid vertical backup provides additional stability and prevents the pipe from bending or collapsing under its own weight.Rate this question:
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- 42.
Plastic pipe shall be supported vertically at every __________ interval.
- A.
4 meters
- B.
3 meters
- C.
1.2 meters
- D.
1 meter
Correct Answer
D. 1 meterExplanation
Plastic pipe needs to be supported vertically at regular intervals to prevent sagging or bending. To ensure proper support, the recommended interval is 1 meter. This helps maintain the structural integrity of the pipe and prevents any potential damage or leaks.Rate this question:
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- 43.
Cast Iron Soil Pipes shall be supported horizontally at not more than ___________; except that pipe exceeding 1.5 meters length may be supported at not more than __________ interval.
- A.
1.5 m/ 3.0 m
- B.
1.0 m/ 2 m
- C.
1.5 m/ 2 m
- D.
3.0 m/ 4.5 m
Correct Answer
A. 1.5 m/ 3.0 mExplanation
Cast Iron Soil Pipes shall be supported horizontally at not more than 1.5 meters interval; except that pipe exceeding 1.5 meters length may be supported at not more than 3.0 meters interval.Rate this question:
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- 44.
CISP supports shall be adequate to maintain alignment and to prevent sagging and shall be placed within ___________ of the hub or joint.
- A.
0.15 m
- B.
0.25 m
- C.
0.35 m
- D.
0.45 m
Correct Answer
D. 0.45 mExplanation
The CISP supports need to be placed within a certain distance of the hub or joint in order to maintain alignment and prevent sagging. The correct answer is 0.45 m, indicating that the supports should be placed within 0.45 meters of the hub or joint. This distance ensures that the supports are adequately positioned to provide the necessary support and prevent any potential sagging in the CISP system.Rate this question:
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- 45.
Screwed pipe or Iron Pipe Size vertical supports.
- A.
At every other storey
- B.
At every 2 storey
- C.
At every 3 storey
- D.
At every 4 storey
Correct Answer
A. At every other storeyExplanation
The correct answer is "at every other storey." This means that the screwed pipe or iron pipe size vertical supports are installed at alternate levels or floors of the structure. This method of installation provides structural stability and support at regular intervals throughout the building. By placing the supports at every other storey, the load is distributed evenly, preventing excessive stress on the structure and ensuring its integrity.Rate this question:
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- 46.
Screwed pipe or Iron Pipe Size horizontal support for 19mm diameter and smaller.
- A.
At every 1.5 meter
- B.
At every 3.0 meter
- C.
At every 3.5 meter
- D.
None of the above
Correct Answer
B. At every 3.0 meterExplanation
The correct answer is "at every 3.0 meter." This means that a screwed pipe or Iron Pipe Size horizontal support should be installed at intervals of 3.0 meters for pipes with a diameter of 19mm and smaller. This spacing ensures proper support and stability for the pipes, preventing them from sagging or failing under their own weight.Rate this question:
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- 47.
Screwed pipe or Iron Pipe Size horizontal support for 25 mm diameter and larger.
- A.
1.2 meter
- B.
2.4 meter
- C.
3.6 meter
- D.
4.0 meter
Correct Answer
C. 3.6 meterExplanation
The correct answer is 3.6 meters because for larger diameter pipes, a horizontal support of 3.6 meters is required. This support ensures that the pipe is securely held in place and prevents any sagging or bending. It is important to have a strong and stable support for larger pipes to maintain their structural integrity and prevent any potential damage or leaks.Rate this question:
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- 48.
Copper tubing shall be supported horizontally at approximately ____________ for piping 38 mm diameter and below and ______________ intervals for piping 51 mm diameter and larger.
- A.
1.8 m/ 2.0 m
- B.
2.0 m / 3.0 m
- C.
1.8 m / 3.0 m
- D.
3.0 m / 3.6 m
Correct Answer
C. 1.8 m / 3.0 mExplanation
Copper tubing needs to be supported horizontally at intervals of approximately 1.8 m for piping with a diameter of 38 mm and below, and at intervals of approximately 3.0 m for piping with a diameter of 51 mm and larger.Rate this question:
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- 49.
Lead pipe and plastic tube shall be supported horizontally by _____________.
- A.
Stiff metal
- B.
Wood backing
- C.
Concrete
- D.
A and b
Correct Answer
D. A and bExplanation
The lead pipe and plastic tube should be supported horizontally by both stiff metal and wood backing. Stiff metal provides durability and strength to hold the weight of the pipes, while wood backing provides additional support and stability. Using both materials ensures a secure and reliable support system for the pipes, preventing any potential damage or accidents.Rate this question:
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- 50.
Piping buried in the ground shall be laid on a _________________.
- A.
Soft soil
- B.
Firm bed
- C.
Metal backing
- D.
Wood backing
Correct Answer
B. Firm bedExplanation
When piping is buried in the ground, it needs to be supported by a firm bed. This is because a firm bed provides stability and prevents the pipe from shifting or sinking over time. It also helps to evenly distribute the weight and load of the pipe, minimizing the risk of damage or failure. Soft soil, metal backing, or wood backing would not provide the necessary support and stability required for buried piping.Rate this question:
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Current Version
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Feb 21, 2023Quiz Edited by
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Jan 19, 2017Quiz Created by
Grazel Marcos
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