ICC Mechanical, Plumbing, and Electrical Code Professionals

Question 1

What is the minimum slope required for horizontal drainage pipes in a plumbing system according to the International Plumbing Code (IPC)?

Accepted Answer

1/4 inch per foot

Answer

1/16 inch per foot

Answer

1/8 inch per foot

Answer

1/2 inch per foot

Question 2

Which of the following materials is commonly used for supply piping in residential plumbing due to its durability and corrosion resistance?

Accepted Answer

Copper

Answer

PVC

Answer

Cast Iron

Answer

Lead

Question 3

According to the International Mechanical Code (IMC), what is the minimum clearance required for combustible materials around a furnace?

Accepted Answer

3 inches

Answer

2 inches

Answer

6 inches

Answer

12 inches

Question 4

In electrical systems, what does the term "ampacity" refer to?

Accepted Answer

The maximum current a conductor can carry safely

Answer

The voltage rating of a conductor

Answer

The resistance of a conductor

Answer

The length of a conductor

Question 5

What type of pipe is typically required for gas supply lines in a building?

Accepted Answer

Black steel

Answer

PVC

Answer

Galvanized steel

Answer

Copper