National Plumbing Code Basics Quiz
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Questions and Answers

What tool is specifically used for creating mechanical joints on copper tubing by forming a flare connection with a conical shape?

  • Basin wrench
  • Auger
  • Flaring tool (correct)
  • Pipe reamer

Which plumbing material is one of the oldest but not recommended for water supply due to health risks like cancer?

  • Brass pipes
  • Lead pipes (correct)
  • Copper pipes
  • Stainless pipes

What is the purpose of a caulking iron in plumbing?

  • Creating mechanical joints on copper tubing
  • Joining plastic pipes through fusion welding
  • Packing Cotton or Oakum into planking seams (correct)
  • Deburring steel pipes

Which tool is specifically designed for clearing clogs and retrieving material from pipes?

<p>Auger (B)</p> Signup and view all the answers

What type of plumbing material is available in Rigid and Flexible types known as K, L, M?

<p>Copper pipes (C)</p> Signup and view all the answers

According to the National Plumbing Code of the Philippines, what is one of the basic principles regarding water volume and pressure for plumbing fixtures?

<p>Plumbing fixtures should have minimal water volume. (A)</p> Signup and view all the answers

In relation to safe water access, what must premises avoid according to the National Plumbing Code of the Philippines?

<p>Premises must avoid backflow of unsafe water. (D)</p> Signup and view all the answers

What requirement does the National Plumbing Code impose on water heating devices concerning dangers related to temperature?

<p>Water heating devices must prevent overheating. (A)</p> Signup and view all the answers

What is a key requirement for buildings located near public sewers according to the National Plumbing Code?

<p>Buildings must connect all plumbing fixtures to the public sewer system. (B)</p> Signup and view all the answers

What is the aim of the National Plumbing Code regarding the connection of plumbing fixtures to public sewers?

<p>To promote efficient wastewater management. (D)</p> Signup and view all the answers

How is plastic or synthetic pipes joined?

<p>Solvent welding (A)</p> Signup and view all the answers

What is the correct step to join PPr pipes?

<p>Pre heat the PPr fusion machine for 3 minutes (A)</p> Signup and view all the answers

How are stainless pipes joined?

<p>Welding connection (C)</p> Signup and view all the answers

What is the purpose of cleaning the inner part of the stainless pipe with a reamer before joining?

<p>To remove burrs (B)</p> Signup and view all the answers

In the context of joining plastic or synthetic pipes, what does 'push on type connection' refer to?

<p>Connecting by pressing two ends together (B)</p> Signup and view all the answers

Which type of pipe made of cement and asbestos is used for drainage installation?

<p>Asbestos pipe (B)</p> Signup and view all the answers

What type of pipe is Acid Resistant Cast Iron Pipe primarily used for?

<p>Drainage installation (D)</p> Signup and view all the answers

What is the purpose of a Street Elbow in plumbing?

<p>Connects at right angles (A)</p> Signup and view all the answers

What do Union fittings in plumbing primarily help with?

<p>Connecting pipelines or for repairs (C)</p> Signup and view all the answers

Which type of bacteria can survive and grow in an environment with or without the presence of oxygen?

<p>Facultative bacteria (C)</p> Signup and view all the answers

What is Methane gas (CH4) primarily composed of?

<p>Carbon and Hydrogen (D)</p> Signup and view all the answers

What does a Foot Valve primarily control in a water system?

<p>Liquid flow direction (A)</p> Signup and view all the answers

What is the main function of a Plug fitting in plumbing?

<p>For blocking water supply lines (A)</p> Signup and view all the answers

Which gas is classified as a poisonous byproduct of methane production?

<p>Carbon Monoxide (CO) (A)</p> Signup and view all the answers

In what environment do anaerobic bacteria thrive and grow?

<p>Without oxygen (C)</p> Signup and view all the answers

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