Nepal Khanepani Sansthan (NWSC) — Practice Quiz (Set 3)By sushil / October 6, 2026 Nepal Khanepani Sansthan (NWSC) — Practice Quiz (Set 3) 10 questions · 15 minute time limit Start Quiz You can take this quiz as a guest. Log in first if you want it saved to your progress history. Which areas of Nepal does NWSC primarily serve with water supply and sanitation services? Only the Kathmandu valley Urban and semi-urban areas outside the Kathmandu valley, which is served by a separate entity Only rural villages with no municipal status Exclusively international tourist areas What are the typical core stages water goes through at a treatment plant before being supplied as potable water? Sedimentation, filtration, and disinfection (such as chlorination) Only boiling with no filtration Freezing and thawing repeatedly Adding sugar and salt only What does u201cNon-Revenue Wateru201d (NRW) refer to in water utility management, a challenge widely reported across South Asian utilities including in Nepal? Water that is sold at a premium price Water that is produced but lost before reaching paying customers, through leaks, theft, or unbilled use Water used only for irrigation Water collected exclusively from rainfall How are urban water utility tariffs, such as those charged by NWSC, typically structured? A flat nationwide fee with no connection to usage at all Generally based on metered consumption and/or connection type, reflecting how much water a customer uses Based purely on a household's income level Randomly assigned without any billing criteria What is the primary public health justification for investing in safe piped water supply systems? To increase tourism revenue To reduce the spread of waterborne diseases such as cholera, diarrhea, and typhoid To support only industrial manufacturing To generate electricity How does u201csanitation/sewerageu201d service differ from u201cwater supplyu201d service within a utility's mandate? They are identical services with different names Water supply delivers clean water to users, while sanitation/sewerage deals with collecting and disposing of wastewater Sanitation refers only to garbage collection Water supply only applies to rural areas Urban water utilities commonly draw from which two broad categories of water sources? Only imported bottled water Groundwater (such as deep boreholes) and surface water (such as rivers or lakes) Only desalinated seawater Only rainwater collected from rooftops Which ministry generally oversees policy for entities like NWSC that manage water supply and sanitation? The ministry responsible for water supply The ministry responsible for foreign affairs The ministry responsible for defense The ministry responsible for sports In economic terms, why is a water utility like NWSC often described as operating a u201cnatural monopolyu201d within its service area? Because duplicating parallel water pipe networks for competing suppliers is highly inefficient, so one network naturally serves an area Because the government has banned competition by law in every country Because water utilities always make the highest profits of any industry Because there is no such concept in utility economics What is the key distinction between water treated to potable (drinking) standards and water used for non-potable purposes such as irrigation? There is no quality distinction between the two uses Potable water must meet stricter purity and safety standards fit for human consumption, unlike water used only for irrigation or industrial purposes Non-potable water is always cleaner than potable water Potable water is only used for washing cars Submit Quiz
