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SAAM Creations1 Vaccancy कहिले khulaxa कुन्को सबै जानकरी यो पेज मा .follow गरनु होस .IQ free classes. Follow ,Like and share the page.

स्थानीम सेवाका सहामकस्तय ऩाॉचौं तहका (अप्राववधधक/प्राववधधक)
21/05/2026

स्थानीम सेवाका सहामकस्तय ऩाॉचौं तहका (अप्राववधधक/प्राववधधक)

23/04/2026

Loksewa vvi question
Septic Tank – Loksewa Answer

1. Definition:
A septic tank is an underground wastewater treatment structure where sewage is partially treated by sedimentation and anaerobic digestion.

2. Purpose/Uses:

Treatment of domestic sewage
Separation of solid and liquid waste
Used in areas without sewerage system
Reduces environmental pollution

3. Components:

Inlet pipe
Outlet pipe
Tank (usually RCC)
Baffle walls
Sludge storage zone
Scum layer
Manhole cover
Vent pipe

4. Working Principle:

Sewage enters the tank and solids settle at bottom (sludge)
Lighter materials form scum layer on top
Bacteria decompose organic matter anaerobically
Effluent flows out to soak pit or drain field

5. Advantages:

Simple and low-cost system
Requires less maintenance
Suitable for rural and semi-urban areas
No need of complex sewer network

6. Disadvantages:

Requires periodic cleaning (desludging)
May cause groundwater pollution if poorly designed
Not suitable for high-density urban areas

7. Design Considerations:

Capacity based on number of users
Proper ventilation
Watertight construction
Adequate detention time (usually 24–48 hours)

23/04/2026

Soak Pit
• Absorbs effluent from septic tank into soil
• Made of porous material
• Helps groundwater recharge

Today exam papers of koshi Pradesh|| Assistant of sub engineer
18/04/2026

Today exam papers of koshi Pradesh|| Assistant of sub engineer

16/04/2026

• NBC 101: Material Specifications
• NBC 102: Unit Weight of Materials
• NBC 103: Occupancy Load (Imposed Load)
• NBC 104: Wind Load
• NBC 105: Seismic Design of Buildings in Nepal .
• NBC 106: Snow Load
• NBC 107: Fire Safety
• NBC 108: Site Consideration
• NBC 109: Masonry: Unreinforced
• NBC 110: Plain & Reinforced Concrete
• NBC 111: Steel

16/04/2026

GUARANTEED QUESTIONS (HIGH CHANCE)

✔ NBC main objective → Earthquake resistance
✔ NBC 105 → Seismic design
✔ NBC 000 → General
✔ Code 5 → Important buildings
✔ Lintel band → Earthquake safety
✔ NBC implemented by → Local leve

16/04/2026

Important notes for loksewa 4th and 5th level || civil engineer notes 🔑 Fittings
• Elbow → Change direction
• Tee → Branch connection
• Valve → Control flow ⭐

15/04/2026

11. Which rock is formed due to heat and pressure? (2071)
A. Igneous
B. Sedimentary
C. Metamorphic ✔️
D. Artificial

15/04/2026

10. Which rock is formed by cooling of magma? (2070)
A. Sedimentary
B. Igneous ✔️
C. Metamorphic
D. Organic

15/04/2026

8. Limestone is mainly used for: (2068)
A. Flooring
B. Cement manufacture ✔️
C. Roofing
D. Steel making

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