Residential Plumbing Systems and Technical Drawing

Plumbing Technology

A comprehensive guide to residential plumbing components, including water supply, drainage, waste and vent systems, common piping materials, and essential technical drafting tools.

Engineering Construction Technical Drawing

15 Questions Medium Ages 14+ Oct 6, 2026

Practice Test PDF Answer Key PDF

Choose a Study Format

Quiz

Test your knowledge with multiple-choice questions and instant feedback.

Flashcards

Flip through cards to review terms, definitions and key concepts.

True or False

Quickly decide if statements are true or false to reinforce understanding.

Match Game

Race against time to match questions with their correct answers.

Study Guide

Read through all topics and answers as a comprehensive study reference.

Listen Mode

Listen to questions and answers read aloud — great for audio learners on the go.

Embed This Study Set

Add this interactive study set to your website or blog — all 6 formats included.

<div data-quixly-id="7827"></div>
<script src="https://www.quixlylearn.com/assets/embed/widget.js"></script>

Learn more about embedding →

About this Study Set

This study set covers Plumbing Technology through 15 practice questions. A comprehensive guide to residential plumbing components, including water supply, drainage, waste and vent systems, common piping materials, and essential technical drafting tools. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Residential Plumbing Systems and Technical Drawing study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which plumbing system is responsible for carrying wastewater away from fixtures?

A Water Supply System
B Waste System
C Vent System
D Drainage System

2 What is the primary purpose of the vent system in plumbing?

A To supply water
B To prevent sewer gases from entering the building
C To collect rainwater
D To heat the water

3 Which pipe material is known for being lightweight and corrosion-resistant for water lines?

A GI Pipe
B PPR Pipe
C PVC
D Copper

4 What does PPR stand for in the context of plumbing pipes?

A Polypropylene Random Pipe
B Plastic Pressure Resin
C Pre-Piped Reinforced
D Poly-Pipes Residential

5 Which fitting is used to create a branch in a piping system?

A Elbow
B Coupling
C Tee
D Valve

6 What is the function of a P-trap?

A To join pipes
B To measure water pressure
C To prevent sewer gases from entering the building
D To increase water flow

7 Which component collects wastewater from different fixtures?

A Soil Pipe
B Branch Drain
C Building Sewer
D Vent Pipe

8 What is the main function of a building sewer?

A Connects to the septic tank or public sewer
B Collects water from sinks
C Ventilates the pipes
D Connects the trap to the drain

9 Which drafting tool is used to draw vertical lines?

A Ruler
B T-square
C Protractor
D Erasing Shield

10 What is the primary use of a protractor in technical drawing?

A Drawing circles
B Measuring angles
C Drawing parallel lines
D Erasing mistakes

11 Which type of pipe carries human excreta?

A Waste pipe
B Soil pipe
C Vent pipe
D Supply pipe

12 What is the main difference between a waste system and a sewer system?

A Material used
B Location and purpose
C Cost of installation
D Length of the pipe

13 Which tool is used to draw a perfect circle?

A Protractor
B Compass
C Triangle
D Ruler

14 What is the function of an erasing shield?

A To hold the paper
B To protect surrounding lines while erasing
C To clean the pencil
D To measure the line length

15 In technical drawing, what do hidden lines represent?

A The outer boundary of an object
B Features not visible from the current view
C The center of a circle
D The dimension of an object

📱

Study on the go

Download Quixly and access all study formats on your phone — anywhere, anytime.