Why are many thermal power plants typically set up near coal or oil fields ?

Question

Accepted Answer

Thermal power plants are often set up near coal or oil fields primarily to improve the efficiency of electricity transmission. Here's a detailed explanation supporting Option 2 as the correct answer:

1. **Improving Efficiency of Electricity Transmission (Option 2):**
   - Electricity transmission over long distances results in energy losses due to resistance in the transmission lines. By situating thermal power plants close to coal or oil fields, the generated electricity can be transmitted over shorter distances to the grid, thereby reducing these losses and improving overall efficiency.
   - Additionally, being near the source of fuel reduces the time and cost associated with transporting coal or oil to the power plant, allowing for a more streamlined and efficient operation.

2. **Explanation of Why Other Options are Incorrect:**

- **Option 1: To reduce air pollution from burning of fossil fuels.**
     - Proximity to coal or oil fields does not inherently reduce air pollution. The pollution levels are more dependent on the technology and processes used within the power plant, such as scrubbers and filters, rather than the location of the plant relative to fuel sources.

- **Option 3: To minimize the need of water in power generation.**
     - The need for water in thermal power plants is primarily for cooling and steam generation, which is independent of the plant's proximity to coal or oil fields. Water requirements are more related to the plant's design and technology rather than its location.

- **Option 4: To transport coal or petroleum more easily.**
     - While proximity to fuel sources does facilitate easier transportation of coal or oil to the plant, this is not the primary reason for the location choice. The main focus is on reducing transmission losses of electricity, as highlighted in Option 2.

In conclusion, the strategic placement of thermal power plants near coal or oil fields is primarily aimed at enhancing the efficiency of electricity transmission, making Option 2 the correct answer.