25 Questions
What tool is specifically used for creating mechanical joints on copper tubing by forming a flare connection with a conical shape?
Flaring tool
Which plumbing material is one of the oldest but not recommended for water supply due to health risks like cancer?
Lead pipes
What is the purpose of a caulking iron in plumbing?
Packing Cotton or Oakum into planking seams
Which tool is specifically designed for clearing clogs and retrieving material from pipes?
Auger
What type of plumbing material is available in Rigid and Flexible types known as K, L, M?
Copper pipes
According to the National Plumbing Code of the Philippines, what is one of the basic principles regarding water volume and pressure for plumbing fixtures?
Plumbing fixtures should have minimal water volume.
In relation to safe water access, what must premises avoid according to the National Plumbing Code of the Philippines?
Premises must avoid backflow of unsafe water.
What requirement does the National Plumbing Code impose on water heating devices concerning dangers related to temperature?
Water heating devices must prevent overheating.
What is a key requirement for buildings located near public sewers according to the National Plumbing Code?
Buildings must connect all plumbing fixtures to the public sewer system.
What is the aim of the National Plumbing Code regarding the connection of plumbing fixtures to public sewers?
To promote efficient wastewater management.
How is plastic or synthetic pipes joined?
Solvent welding
What is the correct step to join PPr pipes?
Pre heat the PPr fusion machine for 3 minutes
How are stainless pipes joined?
Welding connection
What is the purpose of cleaning the inner part of the stainless pipe with a reamer before joining?
To remove burrs
In the context of joining plastic or synthetic pipes, what does 'push on type connection' refer to?
Connecting by pressing two ends together
Which type of pipe made of cement and asbestos is used for drainage installation?
Asbestos pipe
What type of pipe is Acid Resistant Cast Iron Pipe primarily used for?
Drainage installation
What is the purpose of a Street Elbow in plumbing?
Connects at right angles
What do Union fittings in plumbing primarily help with?
Connecting pipelines or for repairs
Which type of bacteria can survive and grow in an environment with or without the presence of oxygen?
Facultative bacteria
What is Methane gas (CH4) primarily composed of?
Carbon and Hydrogen
What does a Foot Valve primarily control in a water system?
Liquid flow direction
What is the main function of a Plug fitting in plumbing?
For blocking water supply lines
Which gas is classified as a poisonous byproduct of methane production?
Carbon Monoxide (CO)
In what environment do anaerobic bacteria thrive and grow?
Without oxygen
Test your knowledge on the fundamental principles of the National Plumbing Code of the Philippines, covering waste disposal, storm drainage systems, gas piping, and fire protection/suppression systems like fire sprinklers.
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