CPD Sanitary Drainage Systems

Question 1

What is the main purpose of a sanitary drainage system?

Accepted Answer

To remove wastewater and sewage from buildings safely

Answer

To provide clean water to the building

Answer

To reduce the amount of water used in the building

Answer

To increase the number of water fixtures

Question 2

Why is venting important in a sanitary drainage system?

Accepted Answer

To allow proper air circulation and prevent siphoning of traps

Answer

To regulate the temperature of wastewater

Answer

To reduce the size of pipes

Answer

To filter out debris from wastewater

Question 3

What is the function of a trap in a sanitary drainage system?

Accepted Answer

To block sewage gases and odors from entering the building

Answer

To increase the flow of wastewater

Answer

To regulate the pressure within the system

Answer

To filter wastewater before disposal

Question 4

How does pipe sizing affect the performance of a sanitary drainage system?

Accepted Answer

By ensuring the pipes are large enough to handle peak wastewater flow without clogging

Answer

By allowing water to flow faster

Answer

By reducing the water supply to the building

Answer

By increasing water pressure

Question 5

What is the primary function of a cleanout in a sanitary drainage system?

Accepted Answer

To provide access for cleaning, maintenance, and inspection

Answer

To regulate water temperature

Answer

To increase water pressure

Answer

To control sewage odors

Question 6

How do sanitary drainage systems prevent cross-contamination of potable water?

Accepted Answer

By using backflow prevention devices to stop wastewater from contaminating the water supply

Answer

By reducing the number of fixtures

Answer

By filtering wastewater

Answer

By using chemicals to treat water

Question 7

What is the role of slope in a sanitary drainage system?

Accepted Answer

To allow wastewater to flow smoothly and avoid clogs

Answer

To increase the amount of wastewater in the system

Answer

To maintain water pressure in the system

Answer

To increase the size of the pipes

Question 8

Why is testing important in the installation of sanitary drainage systems?

Accepted Answer

To confirm that the system is sealed and functioning correctly

Answer

To monitor water consumption

Answer

To reduce pipe size

Answer

To minimize maintenance costs

Question 9

What is the role of the sanitary waste stack in a building's drainage system?

Accepted Answer

To collect and remove wastewater from fixtures

Answer

To regulate water temperature

Answer

To provide clean water to fixtures

Answer

To increase water pressure in the system