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Which of the following is NOT an essential requirement of steam power station design?
1. Reliability
2. Use of automatic equipment
3. Extensibility
4. Maximum capital cost

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Correct Answer - Option 4 : Maximum capital cost

Essential requirement of Steam Power Station design:

(i) Supply of fuel: The steam power station should be located near the coal mines so that the transportation cost of fuel is minimum. However, if such a plant is to be installed at a place ​where coal is not available, then care should be taken that adequate facilities exist for the transportation of coal.

(ii) Availability of water: As a huge amount of water is required for the condenser, therefore, such a plant should be located at the bank of a river or near a canal to ensure the continuous supply of water.

(iii) Transportation facilities: A modern steam power station often requires the transportation of material and machinery. Therefore, adequate transportation facilities must exist i.e., the plant should be well connected to other parts of the country by rail, road. etc.

(iv) Cost and type of land: The steam power station should be located at a place where land is cheap and further extension, if necessary, is possible. Moreover, the bearing capacity of the ground should be adequate so that heavy equipment could be installed.

(v) Use of automatic equipment: By means of an automated system that the power is generated and transmitted efficiently and without interruption with minimum human intervention.

(vi) Nearness to load centers: In order to reduce the transmission cost, the plant should be located near the center of the load.

(vii) Reliability of operation.

(viii) Distance from the populated area: As a huge amount of coal is burnt in a steam power station, therefore, smoke and fumes pollute the surrounding area. This necessitates that the plant should be located at a considerable distance from the populated areas.

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