CHAPTER 5 MEU

What is the primary purpose of a sanitary drainage system?

• To store wastewater for later use

• To remove wastewater from a building using gravity

• To supply water to fixtures

• To disinfect sewage before disposal

What is the main function of the vent system in a drainage system?

• To increase water pressure

• To introduce air and maintain atmospheric pressure in drain lines

• To store wastewater before treatment

• To filter out solid waste

Which type of pipe is used to prevent sewer gases from entering a building?

• Waste pipe

• Trap

• Drain pipe

• Vent pipe

What is the most commonly used type of trap in modern plumbing systems?

• S-trap

• U-trap

• P-trap

• Siphon trap

What is the primary function of an interceptor in a drainage system?

• To transport wastewater to the sewer main

• To trap grease, oil, hair, and debris before wastewater enters the sewer

• To increase water pressure in pipes

• To store water for fire suppression

In a restaurant kitchen, which type of interceptor is required?

• Oil-Sand Interceptor

• Hair Interceptor

• Grease Interceptor

• Debris Trap

Fixture branches must have a slope of at least:

• 1 inch per foot

• 1/8 to 1/2 inch per foot

• 3 inches per foot

• No slope is required

Which type of stack carries human waste from toilets?

• Soil Stack

• Waste Stack

• Vent Stack

• Cleanout Stack

What is the main horizontal pipe that collects wastewater from stacks and directs it toward the sewer?

• Fixture Branch

• Building Drain

• Sanitary Sewer Main

• Vent Pipe

The building sewer connects the building drain to:

• The storm drainage system

• The community sewer main or an on-site sewage treatment system

• The vent stack

• The water supply system