Types of Water Supply and Drainage Systems: A Comprehensive Guide

Question 1

In a separate drainage system, wastewater is separated from rainwater through the use of:

Accepted Answer

Separate pipes and sewers

Answer

Combined pipes and sewers

Answer

Infiltration basins

Answer

Biofilters

Question 2

The primary function of a storm sewer in a combined drainage system is to:

Accepted Answer

Collect and transport rainwater

Answer

Collect and transport sanitary wastewater

Answer

Regulate the flow of water in the system

Answer

Prevent flooding

Question 3

Polyvinyl chloride (PVC) is a commonly used material for constructing underground water supply pipes due to its:

Accepted Answer

Durability and resistance to corrosion

Answer

Flexibility and ease of installation

Answer

Low cost and availability

Answer

High pressure rating

Question 4

A backflow preventer in a water supply system prevents:

Accepted Answer

Contaminated water from flowing back into the source

Answer

Water pressure from becoming too high

Answer

Impurities from entering the water supply

Answer

Water from flowing in the wrong direction

Question 5

Water flows through a gravity-flow drainage system primarily due to:

Accepted Answer

Gravity pulling the water downhill

Answer

Pumps pushing the water uphill

Answer

Pressure created by a reservoir

Answer

Capillary action

Question 6

A major disadvantage of pumped drainage systems is their:

Accepted Answer

High energy consumption

Answer

Limited pumping capacity

Answer

Susceptibility to flooding

Answer

High maintenance costs

Question 7

In areas with limited electricity, the most suitable water supply system is a:

Accepted Answer

Gravity-fed system

Answer

Pumped system

Answer

Combined system

Answer

Separate system

Question 8

Which type of water supply system relies solely on the force of gravity to distribute water without the use of pumps?

Accepted Answer

Gravity-fed system

Answer

Pumped system

Answer

Combined system

Answer

Separate system

Question 9

What is the primary purpose of a drainage system in plumbing?

Accepted Answer

To collect and remove wastewater from buildings and fixtures

Answer

To supply water to fixtures

Answer

To regulate water pressure

Answer

To store water for later use

Question 10

Which type of drainage system collects and conveys both stormwater runoff and sanitary wastewater through a single set of pipes?

Accepted Answer

Combined system

Answer

Separate system

Answer

Gravity-fed system

Answer

Pumped system

Question 11

When designing a water supply system, which factor is of primary importance?

Accepted Answer

Availability of a suitable water source

Answer

Flow rate required by the fixtures and appliances

Answer

Selection of appropriate pipe materials

Answer

Elevation of fixtures and appliances relative to the water source

Question 12

What is the primary function of a trap in a plumbing system?

Accepted Answer

To prevent sewer gases from entering the building

Answer

To collect sediment and debris

Answer

To regulate water temperature

Answer

To boost water pressure

Question 13

Which material is commonly used for drainage pipes due to its durability, corrosion resistance, and ability to withstand underground conditions?

Accepted Answer

Cast iron

Answer

Copper

Answer

PVC

Answer

Galvanized steel

Question 14

What is a potential problem that can occur in a water supply system if the pipes are not properly sealed?

Accepted Answer

Leakage

Answer

Water hammer

Answer

Corrosion

Answer

Clogged drains

Question 15

Which component of a water supply system is responsible for removing impurities, contaminants, and microorganisms from the water?

Accepted Answer

Filter

Answer

Pump

Answer

Valve

Answer

Reservoir

Question 16

What is a key difference between a gravity-fed water supply system and a pumped water supply system?

Accepted Answer

Water pressure

Answer

Water source location

Answer

Pipe diameter

Answer

Flow rate

Question 17

Which type of water supply system utilizes gravitational force to deliver water?

Accepted Answer

Gravity-dependent system

Answer

Pressurized system

Answer

Pump-driven system

Answer

Combined system

Question 18

What is the primary function of a drainage system?

Accepted Answer

Collect and discharge wastewater and excess water

Answer

Provide access to drinking water

Answer

Control water pressure levels

Answer

Cool the plumbing system components

Question 19

Which drainage system combines both sanitary sewage and stormwater runoff in a single pipeline?

Accepted Answer

Combined system

Answer

Partially separated system

Answer

Totally separated system

Answer

Lagoon system

Question 20

Identify the essential component of a pressurized water supply system:

Accepted Answer

Pump

Answer

Elevated storage tank

Answer

Gravity-based flow

Answer

Septic tank

Question 21

Which advantage is associated with gravity-dependent water supply systems?

Accepted Answer

Reduced energy consumption

Answer

Elevated water pressure

Answer

Minimized maintenance costs

Answer

Enhanced water storage capacity

Question 22

What is the primary material utilized in the construction of drainage pipes?

Accepted Answer

Polyvinyl chloride (PVC)

Answer

Concrete

Answer

Copper

Answer

Galvanized steel

Question 23

What is the primary role of a sump pump in a drainage system?

Accepted Answer

Evacuating water from low-lying areas

Answer

Controlling water pressure within the system

Answer

Preventing sewage backflow

Answer

Providing backup water supply in emergencies