Low Carbon Steel (LCS) Quiz

What is the color code for the heavy grade of LCS?

• Red

• Blue

• Brown

• Yellow

Which grade of LCS is used for lighter applications?

• Light

• Medium

• Heavy

• Extra Heavy

What characteristic of low carbon steel pipes remains identical across different grades?

• Wall thickness

• External diameter

• Length

• Weight

Which grade of low carbon steel pipe has the thinnest wall?

• Heavy grade

• Medium grade

• Light grade

• Standard grade

Where are light grade pipes seldom used?

• In high temperature systems

• In decorative plumbing

• In dry sprinkler installations

• In underground pipe runs

What is expected when using heavy grade pipes?

• Short system life

• Long system life

• Decorative appeal

• Temporary use

What is a characteristic of light grade pipes?

• Frequently used in high pressure systems

• Seldom used in dry sprinkler installations

• Commonly used in underground runs

• Always used in high temperature systems

Which type of pipe is used below ground?

• Light grade

• Heavy grade

• Decorative grade

• Temporary grade

In plumbing studies, what is the primary use of compression fittings?

• To join electrical wires

• To connect pipes without soldering

• To insulate pipes

• To measure water pressure

What is the function of the back plate in the Munsen ring setup?

• To filter water

• To secure the position

• To increase pressure

• To reduce noise