Choose the correct statement(s) with regard to composting.
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- It produces natural soil amendment and enhances the effectiveness of fertilizer.
- Warm temperature of tropical regions is least suitable for composting.
- Composting is an aerobic thermophilic process.
- Windrow composting and in-vessel composting are two of the common composting methods.
Top Questions on Solid waste management: Methods
- A municipal town requires a volume of 70,000 \(m^3\) compacted solid waste to fill a low lying land. The city has a total of 10,000 households.
Type of House Percentage of Households Equivalent volume of compacted solid waste generated/ household/ day LIG 30% 0.10 \(m^3\) MIG 60% 0.15 \(m^3\) HIG 10% 0.20 \(m^3\)
Using the information as shown in the Table above, the estimated minimum number of days required to fill the low lying land is _______ (in integer).- GATE AR - 2024
- Services and Infrastructure
- Solid waste management: Methods
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Questions Asked in GATE AR exam
A four-arm uncontrolled un-signaled urban intersection of both-way traffic is illustrated in the figure. Vehicles approaching the intersection from the directions A, B, C, and D can move to either left, right, or continue in straight direction. No U-turn is allowed. In the given situation, the maximum number of vehicular crossing conflict points for this intersection is _________ (answer in integer)
- GATE AR - 2025
- Traffic survey methods, Traffic flow Analysis
An individual chooses a transport mode for a particular trip based on three attributes i.e., cost of journey (X), In-vehicle travel time to reach destination (Y), and Out-of-vehicle time taken to access mode at respective stops (Z). The values for these attributes for three modes Rail, Bus and Para-transit are given in the table. If the general utility (U) equation is \( U = - 0.5 \times X - 0.3 \times Y - 0.4 \times Z \), using the Logit model, the estimated probability of choosing Bus is _________ (rounded off to two decimal places).
- GATE AR - 2025
- Transportation