Importance of Water Supply and Drainage Systems: Online Learning Quizzes

Question 1

What is the primary purpose of a water supply system?

Accepted Answer

To provide clean water for various uses, including drinking, bathing, and cooking.

Answer

To collect and treat wastewater.

Answer

To irrigate crops.

Answer

To generate electricity.

Question 2

Which component forms the backbone of a drainage system?

Accepted Answer

Pipes and sewers, which transport wastewater.

Answer

Pumps and tanks, which facilitate water movement.

Answer

Wells and reservoirs, which store water.

Answer

Filters and treatment plants, which purify water.

Question 3

Which disease is closely linked to inadequate water supply and sanitation?

Accepted Answer

Cholera, a waterborne bacterial infection.

Answer

Typhoid, a bacterial infection spread through contaminated food or water.

Answer

Malaria, a mosquito-borne parasitic infection.

Answer

HIV/AIDS, a viral infection primarily transmitted through unprotected sexual contact.

Question 4

In the United States, which material is most commonly used for water supply pipes?

Accepted Answer

PVC (polyvinyl chloride), a lightweight and cost-effective plastic.

Answer

Copper, known for its durability and resistance to corrosion.

Answer

Cast iron, a durable but heavier material used in older systems.

Answer

Steel, a strong and versatile metal used in various applications.

Question 5

What is the primary function of a backflow preventer in a plumbing system?

Accepted Answer

To prevent the flow of contaminated water back into the clean water supply.

Answer

To increase water pressure within the system.

Answer

To regulate the flow rate of water.

Answer

To protect against freezing temperatures.

Question 6

Which type of drainage system is predominantly used in industrial areas?

Accepted Answer

Combined drainage, which combines both storm and sanitary drainage into a single system.

Answer

Storm drainage, designed to manage rainwater runoff.

Answer

Sanitary drainage, dedicated to the removal of wastewater from toilets, sinks, and other fixtures.

Answer

French drain, a perforated pipe surrounded by gravel, used for subsurface drainage.

Question 7

What is the key difference between a check valve and a pressure relief valve?

Accepted Answer

Check valves allow water to flow in one direction, while pressure relief valves release excess pressure.

Answer

Pressure relief valves restrict water flow in one direction, while check valves release excess pressure.

Answer

Check valves and pressure relief valves serve the same purpose.

Answer

Pressure relief valves and check valves are only used in distinct plumbing system types.

Question 8

Which of the following is a detrimental effect of an ineffective water supply and drainage system?

Accepted Answer

Increased environmental pollution

Answer

Improved public health and sanitation

Answer

Enhanced economic opportunities and job creation

Answer

Reduced risk of flooding and waterborne illnesses

Question 9

What is the primary objective of water supply systems?

Accepted Answer

To provide clean and safe drinking water for residential, commercial, and industrial use

Answer

To manage and dispose of wastewater to protect public health

Answer

To provide water for agricultural purposes

Answer

To generate electricity and provide energy

Question 10

What is the main function of a backflow preventer within a water supply system?

Accepted Answer

To prevent contaminated water from flowing back into the potable water supply

Answer

To regulate water pressure and ensure consistent flow

Answer

To protect against leaks and bursts in the water supply system

Answer

To remove impurities and contaminants from the water supply

Question 11

Which type of drainage system is specifically designed to collect and convey stormwater runoff, preventing flooding and waterlogging?

Accepted Answer

Storm sewer system, which is solely responsible for managing stormwater runoff

Answer

Sanitary sewer system, which exclusively handles wastewater from toilets, sinks, and showers

Answer

Combined sewer system, which combines stormwater runoff with wastewater

Answer

French drain system, which is a subsurface drainage system used for localized water management

Question 12

In a water supply system, what is the main function of a water treatment plant?

Accepted Answer

Removing impurities and contaminants from water

Answer

Storing and distributing treated water to consumers

Answer

Collecting and transporting wastewater

Answer

Monitoring and measuring water consumption

Question 13

Which type of drainage pipe is commonly used for residential downspouts and storm drains due to its ability to withstand high rainfall and erosion?

Accepted Answer

Corrugated metal

Answer

Concrete

Answer

Polyethylene

Answer

PVC

Question 14

In residential and commercial buildings, which method is commonly used to treat wastewater?

Accepted Answer

Septic tanks

Answer

Activated sludge process

Answer

Sand filtration

Answer

UV disinfection

Question 15

Clarified: What is the fundamental purpose of water supply systems?

Accepted Answer

Precise: To provide safe and accessible water for consumption and hygiene

Answer

Redundant: To collect and dispose of wastewater (covered by drainage systems)

Answer

Irrelevant: To generate electricity (not a primary objective)

Answer

Irrelevant: To control flooding (addressed by drainage systems)

Question 16

Rewritten: What is the main responsibility of drainage systems?

Accepted Answer

Precise: To collect and convey excess water, preventing flooding

Answer

Irrelevant: To purify contaminated water (typically done at treatment facilities)

Answer

Redundant: To supply water to households and businesses (covered by water supply systems)

Answer

Irrelevant: To generate renewable energy (not a primary function)

Question 17

Simplified: Which of the following health risks is directly linked to insufficient water supply?

Accepted Answer

Direct: Waterborne diseases (e.g., cholera, dysentery)

Answer

Indirect: Nutrient deficiencies (caused by poor sanitation, not directly related to water supply)

Answer

Irrelevant: Increased injury rates (not a consequence of water supply)

Answer

Irrelevant: Mental health issues (not typically associated with water supply)

Question 18

Simplified: What is the primary function of a septic tank in a drainage system?

Accepted Answer

Precise: To separate and decompose solid waste from wastewater

Answer

Irrelevant: To pump wastewater to a treatment facility (done by pumps, not septic tanks)

Answer

Irrelevant: To disinfect wastewater (typically done at treatment facilities)

Answer

Irrelevant: To store rainwater (not a primary function of septic tanks)

Question 19

Rewritten: Which environmental issue is closely associated with inadequate drainage systems?

Accepted Answer

Direct: Water pollution (caused by untreated wastewater runoff)

Answer

Indirect: Soil erosion (can be exacerbated by poor drainage)

Answer

Indirect: Deforestation (not directly caused by drainage systems)

Answer

Irrelevant: Air pollution (not typically associated with drainage systems)

Question 20

Rephrased: Which factor indicates an effective drainage system?

Accepted Answer

Positive: Minimal flooding during heavy rainfall (indicates efficient water removal)

Answer

Negative: High levels of water contamination (suggests drainage system failure)

Answer

Negative: Frequent system breakdowns (implies poor maintenance or design)

Answer

Irrelevant: Excessive water consumption (not a measure of drainage system effectiveness)

Question 21

Simplified: What is the primary responsibility of plumbing professionals regarding water supply and drainage systems?

Accepted Answer

Comprehensive: Designing, installing, and maintaining these systems

Answer

Irrelevant: Enforcing building codes and regulations (typically done by building inspectors)

Answer

Indirect: Water quality monitoring (often performed by water utilities)

Answer

Indirect: Public health education (conducted by various organizations)

Question 22

Updated: Which of the following represents an innovation in water supply systems?

Accepted Answer

All of the above (encompasses all technological advancements listed)

Answer

Modern: Smart meters for monitoring water usage

Answer

Advanced: Nanotechnology for water purification

Answer

Sustainable: Solar-powered water pumps