Compressors

181. Which of the following plants is smallest and lightest for genrating a given amount of power

1. steam power plant
2. petrol engine
3. diesel engine’
4. solar plant
5. gas turbine plant.

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182. Work ratio of a gas turbine may be improved by f

1. decreasing the compression work
2. increasing the compression work
3. increasing the turbine work
4. decreasing the turbine work
5. (a) and (c) above.

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183. Work ratio of a gas turbine plant is ratio of

1. net work output and work done by turbine
2. net work output and heat supplied
3. work done by turbine and heat supplied
4. work done by turbine and net work output
5. actual/heat drop and isentropic heat drop.

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